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1

Arora, Charu, and Vinita Tamrakar. "Gmelina arborea: chemical constituents, pharmacological activities and applications." International Journal of Phytomedicine 9, no. 4 (2017): 528. http://dx.doi.org/10.5138/09750185.2149.

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<p><em>Gmelina arborea </em>(<em>G. arborea</em>) is a bio-prospective plant belonging to family verbenaceae. It is widely used for it’s medicinal properties from ancient times. The present paper comprehensively reviewed the traditional uses, medicinal properties and chemical constituents isolated from <em>G. arborea</em> based on literature reported as well as critical analysis of the research. The present article is aimed to provide information on recent advances and new foundations and direction for further exploring <em>G. arborea </em>
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2

Kumar, Abhishek, M. S. Malik, S. Chattopadhyay, B. C. Oraon, Ekhlaque Ahmad, and Firoz Ahmad. "LITTERFALL PRODUCTION, LITTER DECOMPOSITION AND NUTRIENT RELEASE PATTERN IN GMELINA ARBOREA (GAMHAR) BASED AGROFORESTRY SYSTEM IN RANCHI, JHARKHAND." International Journal on Agricultural Sciences 13, no. 02 (2022): 116–20. http://dx.doi.org/10.53390/ijas.v13i2.10.

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A field experiment was conducted during 2020-21 at agroforestry farm of Faculty of Forestry in Birsa Agricultural University, Ranchi, Jharkhand, India with two years old Gamhar (Gmelina arborea) trees intercropped with leguminous crops viz., Pigeon pea (Cajanus cajan), Cowpea (Vigna unguiculata) and Urad (Vigna mungo) under Gamhar based agroforestry system to estimate the litterfall produced by Gamhar tree and respective nutrient return associated with litter decomposition. The experiment was laid out in Randomized Block Design (RBD) with four treatment combinations viz., T1= G. arborea + C. c
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3

Attanayake, Anoja Priyadarshani, Kamani Ayoma Perera Wijewardana Jayatilaka, Chitra Pathirana та Lakmini Kumari Boralugoda Mudduwa. "Gmelina arboreaRoxb. (Family: Verbenaceae) Extract Upregulates theβ-Cell Regeneration in STZ Induced Diabetic Rats". Journal of Diabetes Research 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/4513871.

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Gmelina arboreaRoxb. (common name: Et-demata, Family: Verbenaceae) has been used traditionally in Sri Lanka as a remedy against diabetes mellitus. The objective of the present study was to evaluate antidiabetic mechanisms of the aqueous bark extract ofG. arboreain streptozotocin induced (STZ) diabetic male Wistar rats. Aqueous bark extract ofG. arborea(1.00 g/kg) and glibenclamide as the standard drug (0.50 mg/kg) were administered orally using a gavage to STZ diabetic rats (65 mg/kg, ip) for 30 days. The antidiabetic mechanisms of aqueous extract ofG. arborea(1.00 g/kg) were determined at the
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4

Powar, P. V., S. Rathod, R. B. Ambikar, and P. H. Sharma. "FORMULATION AND EVALUATION OF A HERBAL ANTI-BACTERIAL GEL CONTAINING GMELINA ARBOREA LEAF EXTRACT." INDIAN DRUGS 52, no. 03 (2015): 10–14. http://dx.doi.org/10.53879/id.52.03.10255.

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The ancient literature of traditional Indian medicine indicate the potential medicinal values of Gmelina arborea as an important source of chemicals of enormous medicinal and pharmaceutical importance such as flavonoids, alkaloids, arboreol, isoarboreol, methyl arboreol, gummadiol, gmelanone, gmelinol, hexacosnol, n-octanol, β-sitosterol and luteolin. The present research has been undertaken with the aim to formulate and evaluate the herbal gel containing Gmelina arborea ethanolic leaf extract for antimicrobial properties. Phytochemical screening of Gmelina arborea reveals the presence of carb
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Hossain, Sayed Mamur, Farhana Islam, Tasnuva Sharmin, Hasib Sheikh, AM Rashedul Hasan, and Mohammad A. Rashid. "In vitro Antioxidant, Membrane Stabilizing and Thrombolytic Activities of Glycosmis arborea." Bangladesh Pharmaceutical Journal 15, no. 2 (2012): 141–43. http://dx.doi.org/10.3329/bpj.v15i2.12579.

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The methanol extract of leaves and stems of Glycosmis arborea and their pet-ether, carbon tetrachloride, chloroform and aqueous soluble partitionates were subjected to assays for antioxidant activity by Folin-Ciocalteau reagent, membrane stabilizing and thrombolytic activities. The carbon tetrachloride soluble fraction of stems of G. arborea demonstrated the presence of significant amount of phenolic compounds (36.95 ± 0.54 mg of GAE/g of extract). The extractives inhibited heat as well as hypotonic solution-induced haemolysis of rat erythrocytes in vitro. The pet-ether soluble fraction of lea
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Tenorio, Carolina, Roger Moya, Olman Murillo, and Jonathan Loría. "Energy production and its characteristics from four tropical trees species planted in short rotation woody systems in Costa Rica." BioResources 19, no. 1 (2023): 695–715. http://dx.doi.org/10.15376/biores.19.1.695-715.

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Short-rotation crop (SRC) systems with woody species have been planted in Costa Rica. However, information about different tree species and spacing is limited. The objective of the present study was to examine biomass production and the physical, energy, and chemical properties of feedstock of four tropical tree species (Cordia alliodora, Dipteryx panamensis, Gmelina arborea, and Tectona grandis) in 34-month-old plants planted at four spacings (0.5×1.0 m, 1.0×1.0 m, 1.0×2.0 m, and 2.0×2.0 m). The highest mortality rate (50%) was found in G. arborea; however, diameter, height, basal area, and b
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Gandigawad, Priya, Basavaraj Poojar, Nandan Hodlur, and Ravi K. Sori. "Evaluation of anti-inflammatory activity of ethanolic extract of Gmelina arborea in experimental acute and sub-acute inflammatory models in wistar rats." International Journal of Basic & Clinical Pharmacology 8, no. 1 (2018): 128. http://dx.doi.org/10.18203/2319-2003.ijbcp20185170.

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Background: Inflammation is a complex reaction to various injurious agents such as infections, trauma, foreign bodies, tissue necrosis, physical and chemical agents, that consists of vascular responses, migration and activation of leukocytes and systemic reactions. Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) are currently the most commonly prescribed drugs for treating pain and inflammation. The traditional NSAIDs usually cause various adverse effects on long term use. Gmelina arborea Linn (Gambhari) belongs to family Verbenaceae. The roots, leaves, flowers, fruits and bark are used for tre
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8

Dr., Hina Q. Shaikh. "HIGH PERFORMANCE THIN LAYER CHROMATOGRAPHIC (HPTLC) METHOD FOR SIMULTANEOUS QUANTITATION OF LUTEOLIN AND QUERCITIN FROM DRIED WHOLE PLANT POWDERS OF GMELINA ARBOREA LINN. AND KALANCHOE PINNATA (LAM.) PERS.." INDO AMERICAN JOURNAL OF PHARMACEUTICAL SCIENCES 05, no. 01 (2018): 342–47. https://doi.org/10.5281/zenodo.1154129.

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Objectives: To develop and validate High Performance Thin Layer Chromatographic (HPTLC) method for simultaneous quantitation of luteolin and quercitin from dried whole plant powders of Gmelina arborea Linn. and Kalanchoe pinnata (Lam.) Pers.. Methods: Chromatography was performed using methanolic extracts of dried whole plant powder of Gmelina arborea Linn. and Kalanchoe pinnata (Lam.) Pers.. Separation of luteolin and quercitin from methanolic extracts of both the plant materials was achieved on Silica gel 60F254 TLC plates using chloroform : methanol in the volume ratio of 96.0 : 4: 0 as the
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Ojo, V. O. A., A. A. Lamidi, and A. B. J. Aina. "Influence of age at harvest on the organic nutrients degradability of shrub and tree forage plants by West African dwarf sheep." Nigerian Journal of Animal Production 49, no. 2 (2022): 307–16. http://dx.doi.org/10.51791/njap.v49i2.3492.

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The harvesting stage of forage plants has been identified as one of the major factors influencing feed intake and digestibility. However, most of the studies in the literature surrounding harvest stage effects are conceptualized for herbaceous grasses and legumes, while shrubs and tree plants like Tephrosia bracteolata and Gmelina arborea are left out, leaving out a research area that is yet to be explored. This study therefore evaluated the chemical composition and nutrient degradability (dry matter, crude protein and neutral detergent fibre) of T. bracteolata and G. arborea harvested at diff
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DUDHANE, Mayura Prakash, Mahesh Yashwant BORDE, and Paramjit Kaur JITE. "Effect of Arbuscular Mycorrhizal Fungi on Growth and Antioxidant Activity in Gmelina arborea Roxb. under Salt Stress Condition." Notulae Scientia Biologicae 3, no. 4 (2011): 71–78. http://dx.doi.org/10.15835/nsb346230.

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Gmelina arborea Roxb. is medicinally and economically important tree species were selected for study. An experiment was conducted to determine the influence of arbuscular mycorrhizal (AM) fungus Glomus fasciculatum on salt stress tolerance of tree species Gmelina arborea. Mycorrhizal and nonmycorrhizal seedlings were treated with 100 mM and 200 mM concentration of NaCl. G. fasciculatum treated plant showed increase in fresh and dry weight, greater percentage of mycorrhizal colonization, higher accumulation of proline and chlorophyll content with increasing levels of salinity. G. fasciculatum c
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Akhabue, E. F., U. D. Chima, and F. S. Eguakun. "Comparative evaluation of growth performance and soil quality of two age sequences of Gmelina arborea plantation in University of Port Harcourt, Nigeria." Journal of Applied Sciences and Environmental Management 24, no. 10 (2020): 1767–73. http://dx.doi.org/10.4314/jasem.v24i10.9.

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This study was conducted in 2019 to compare the growth performance and soil quality of two agesequences of Gmelina arborea plantation within the premises of the University of Port Harcourt, Nigeria. Data were collected from two stands of G. arborea established in 2011 and 2015. Growth performance was evaluated based on tree growth variables and above-ground carbon stored. Tree growth variables estimated were total height (TH), diameter at breast height (DBH), crown height (CH), crown diameter (CD) and merchantable height (MH). Topsoil (0 – 30 cm) samples collected from the two sites were analy
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Berame, J. S., J. E. Josue, M. L. Bulay, et al. "Efficacy of Tree Leaves as Bioindicator to Assess Air Pollution Based on Using Composite Proxy Measure." Nature Environment and Pollution Technology 22, no. 3 (2023): 1331–41. http://dx.doi.org/10.46488/nept.2023.v22i03.020.

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Air pollution has become a major issue in cities due to urbanization, population growth, industrial development, and increasing number of vehicles. The study used Gmelina arborea tree leaves as a bioindicator to determine the Air Pollution Tolerance Index (APTI) as a simple and effective compositional index of environmental health in three cities in the Caraga Region, Philippines. To calculate the APTI, four biochemical parameters of tree leaves were calculated: relative water content, total chlorophyll content, leaf-extract pH, and ascorbic acid content. In terms of the APTI category, results
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13

Umrao, Rajiv, Arvind Bijalwan, M. Naugraiya, Biswarup Mehra, and C. Sharma. "Assessment of calorific values of multipurpose trees and forage grasses under silvipastural system." Indian Journal of Forestry 32, no. 4 (2009): 565–67. http://dx.doi.org/10.54207/bsmps1000-2009-6en049.

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The paper deals with the assessment of calorific values of four Multipurpose Trees (MPTs) viz. Dalbergia sissoo, Gmelina arborea, Pongamia pinnata and Terminalia arjuna in combination with forage grasses under eleven year old established silvipatural system in Chhattisgarh plains during 2002-2003. The study illustrated that the combustible energy was recorded to be highest in the bole of T. arjuna (5196.23 cal kg-1) and lowest in the foliage of P. pinnata (1495.16 cal kg-1). The calorific values (k cal tree-1) of the trees accounts in order of D. sissoo (186473.8) > G. arborea (129973.25) &
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14

Okechukwu, G. C., F. S. Agbidye, E. T. Tembe, and Dr David Oriabure Ekhuemelo. "ANTI-TERMITE EFFECT OF ANADELPHIA AFZELIANA (RENDLE) STAPF EXTRACTS ON SELECTED WOOD SPECIES IN MAKURDI, BENUE STATE, NIGERIA." FUDMA JOURNAL OF SCIENCES 4, no. 3 (2020): 267–74. http://dx.doi.org/10.33003/fjs-2020-0403-391.

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This study examined anti-termite effect of Anadelphia afzeliana extracts on Daniellia oliveri, Gmelina arborea and Terminalia ivorensis wood species in Makurdi, Nigeria. A. afzeliana was collected, dried under shade, pulverized and the phytochemical constituents of screened. Weight of 100 g was respectively dissolved in 200 mL of methanol and hot water and mixtures left to macerate within 24 hours and thereafter filtered to obtain extracts. Concentrations of 20 %, 30 % and 50 % were constituted from methanol and aqueous extracts.Test woods were weighed and impregnated in treatments for 72 hour
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Múzquiz de la Garza, Ana Rocío, Mireya Tapia-Salazar, Maribel Maldonado-Muñiz, et al. "Nutraceutical Potential of Five Mexican Brown Seaweeds." BioMed Research International 2019 (December 19, 2019): 1–15. http://dx.doi.org/10.1155/2019/3795160.

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In search of pharmaceutically active products to control type 2 diabetes, five brown seaweeds (Silvetia compressa, Cystoseira osmundacea, Ecklonia arborea, Pterygophora californica, and Egregia menziesii) from the Northwest Mexican Pacific coast were investigated. Proximate composition and total polyphenol content (TPC) as phloroglucinol equivalents (PGE) were determined for the five seaweed powders and their respective hydroethanolic (1 : 1) extracts. Extracts were screened for their radical scavenging activity (DPPH and ORAC) and glycosidase inhibitory activity. HPLC-DAD, HPLC-MS-TOF, and AT
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16

Kawamura, F., S. Ohara, and A. Nishida. "Antifungal activity of constituents from the heartwood of Gmelina arborea: Part 1. Sensitive antifungal assay against Basidiomycetes." Holzforschung 58, no. 2 (2004): 189–92. http://dx.doi.org/10.1515/hf.2004.028.

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Abstract Antifungal activity of constituents from the heartwood of the Malaysian Gmelina arborea against Trametes versicolor and Fomitopsis palustris was investigated. A sensitive bioassay system for antifungal activity against basidiomycetes was developed which uses a medium in which homogenized hyphae were dispersed. Ethyl acetate- solubles from the heartwood showed the highest activity against both fungi, although the activity against F. palustris was quite weak. Spots exhibiting antifungal activity against T. versicolor were specified by autobiography of ethyl acetate-solubles, and five co
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John, W. C., M. Ishaya, A. O. Oladejo, O. Olori-Oke, T. A. Ihum, and C. J. Ukanyirioha. "Effects of Gmelina arborea Powdered Parts on Mortality of Dinoderus porcellus in Yam Chips." Nigerian Journal of Biotechnology 37, no. 2 (2021): 194–202. http://dx.doi.org/10.4314/njb.v37i2.19.

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The study aims at evaluating the efficacy of different doses of powdered stem and leaf parts of Gmelina arborea on Dinoderus porcellus infesting yam chips in Jos metropolis. The experiment was conducted at the Entomology Laboratory of the Federal College of Forestry, Jos. Samples of infested yam chips and Gmelina arborea were collected in Jos metropolis. Newly emerged adult Dinoderus porcellus were exposed to the yam chips which were mixed with different levels of Gmelina arborea parts powder (0, 5, 10, 15 and 20 g). The setup was monitored for 120 hours and mortality recorded. The study was c
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Umoh, Uwemedimo Francis, Nsima Akpan Andy, Mathias N. Igwe, Ekikere Ezekiel Ubengama, Ogechi Innocentia Obasi, and Idaraobong Ekanem Usen. "Comparative phytochemical profiling and antioxidant activity of ethanol extracts of three parts of <i>Dracaena arborea</i> (Willd.) link." Dutse Journal of Pure and Applied Sciences 10, no. 3c (2024): 55–63. http://dx.doi.org/10.4314/dujopas.v10i3c.5.

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Dracaena arborea is a known boundary plant which grows in arid semi-desert areas and used by the indigenous people of Akwa Ibom State, Nigeria, for the management of edematous diseases that come with pain. The ethanol extracts of D. arborea were analyzed to study their secondary metabolites. Antioxidant effect was studied using 2,2–diphenyl-1-picrylhydrazyl (DPPH) assay, ferric reducingantioxidant power (FRAP) assay and their total phenolic and flavonoid contents also determined. Result of phytochemical analysis revealed the presence of flavonoids, cardiac glycosides, saponins and tannins in t
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Fadilah, Diah Rifdha, Zulkaidhah, Rahmawati, Retno Wulandari, Yusran, and Gilang Ramahdhan Syahputra. "Effect of Growing Media Composition and Watering Intervals on the growth of Gmelina arborea Roxb seedlings." Jurnal Penelitian Pendidikan IPA 11, no. 1 (2025): 446–55. https://doi.org/10.29303/jppipa.v11i1.9963.

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Gmelina arborea Roxb is one type of forestry plant that has the potential to be cultivated. This is because in addition to having a high economic value, Gmelina arborea Roxb is a plant that is able to grow in critical areas and has a short life cycle. In addition, Gmelina arborea Roxb is one type of wood that has high productivity, high economic value, has a wide natural distribution, has a large genetic variation, can be bred easily, easy to master cultivation techniques, and is resistant to pests and diseases. The purpose of this study was the effect of planting media composition and waterin
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Asolo, Chioma Helen, John Joseph Okeke, Francis Nnamdi Mayie, Valentine Obinna Okpoko, and Raymond Orji Ezeanekwu. "Effects of Gmelina arborea, Roxb leaf meal on egg characteristics of Coturnix coturnix japonica, Temmick." Journal of Bioscience and Biotechnology Discovery 6, no. 1 (2020): 7–12. http://dx.doi.org/10.31248/jbbd2020.122.

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A thirty-six weeks feeding trial was conducted to determine the effect of inclusion of varying levels of Gmelina arborea on egg characteristics, using two (2) weeks old Japanese quail (Coturnix coturnix japonica). Ninety-six birds were allocated to four dietary treatment groups with three (3) replicates of eight (8) birds each in a completely randomized design comprising of control (C) containing 0 g/kg; T1, 50 g/kg; T2, 100 g/kg and T3, 150 g/kg of Gmelina arborea leaf meal. Feed and water were provided throughout the experimental period. Egg characteristics were the response criteria that we
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Ramírez-Gil, Joaquin Guillermo. "Dependency, colonization, and growth in Gmelina arborea inoculated with five strains of Arbuscular Mycorrhizal Fungi." Revista Facultad Nacional de Agronomía Medellín 72, no. 2 (2019): 8775–83. http://dx.doi.org/10.15446/rfnam.v72n2.74691.

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Gmelina arborea is a forest species of increasing use in the establishment of commercial plantations in Colombia. The areas where it is currently planted are deficient in nutrients, so the use of Arbuscular Mycorrhizal Fungi (AMF) can be an alternative to improve phosphoric fertilization. The aim of this work was to determine the mycorrhizal dependency, colonization, and growth of G. arborea when it is inoculated with Rhizoglomus fasciculatum, Rhizoglomus aggregatum, Rhizoglomus irregulare, Glomus fistulosum, and Entrophospora colombiana, under different concentrations of phosphorus (P) in a s
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A. A., Onah, Tembe E. T., and Ekhuemelo D. O. "Evaluating the physical, mechanical, and aesthetic properties of wood-plastic composites from Gmelina arborea, Khaya senegalensis, and high-density polyethylene blends." Journal of Basics and Applied Sciences Research 3, no. 3 (2025): 41–49. https://doi.org/10.4314/jobasr.v3i3.6.

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Sawdust disposal and High-Density Polyethylene (HDPE) waste both cause significant environmental pollution through air, soil, and water contamination. Their improper management leads to harmful ecological impacts due to particulate emissions and plastic persistence.The objective of the studywas to assess how varying proportions of Gmelina arborea and Khaya senegalensis sawdust blended with HDPE affect the physical and mechanical properties of wood-plastic composites (WPCs).The composites were assessed for density, shatter resistance, modulus of elasticity (MOE), modulus of rupture (MOR), compr
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Hernández-Álvarez, Efrén, Bayron Alexander Ruiz-Blandon, Martín Gómez-Cárdenas, and Gerónimo Quiñonez-Barraza. "Technological Analysis of Gmelina arborea Roxb. from Pure and Combined Juvenile Stands in Mexico." Colombia forestal 27, no. 2 (2024): e21313. http://dx.doi.org/10.14483/2256201x.21313.

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Gmelina arborea es una especie que ostenta valor económico en los mercados forestales, esencialmente por la versatilidad de su biomasa, su rápido crecimiento y la calidad de su madera. Los objetivos principales de esta investigación fueron evaluar la dendrometría, la biomasa, el suelo y las propiedades físicas y mecánicas de la madera en dos rodales de 18 años. En parcelas rectangulares de 1000 m2 se recabó información dasométrica de 20 árboles, además de fracciones de madera para ensayos físicos-mecánicos en laboratorio. En términos estadísticos, la G. arborea del rodal mezclado presentó mayo
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Arumugam, Karthikeyan, Lingam Mahalingam, Shyama Parameswaran Nair, Jini Viju Pamboor Chacko, Mayavel Annamalai, and Muthu Кumar Arunachalam. "Establishment of Gmelina arborea plantation in an uncultivated farmland inoculated with arbuscular mycorrhizal fungi and plant growth promoting bacteria." REFORESTA, no. 17 (June 29, 2024): 18–31. http://dx.doi.org/10.21750/refor.17.03.114.

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Beneficial microbes are very essential for establishing tree plantations, particularly in wastelands or abandoned lands that make them suitable for cultivation. To establish a plantation in uncultivated farmland Gmelina arborea Roxb. tree seedlings were previously inoculated with the beneficial microbes (Arbuscular mycorrhizal (AM) fungi - Gigaspora albida, Glomus aggregatum), plant growth promoting rhizo bacteria (PGPRs) - Azospirllum brasilense, Bacillus megaterium) in single and combinations. The effect of these beneficial microbes were analysed and it was found that the seedlings inoculate
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Rojas M., Jairo, Victor Caicedo, and Yeirme Jaimes. "Biomass decomposition dynamic in agroforestry systems with Theobroma cacao L. in Rionegro, Santander (Colombia)." Agronomía Colombiana 35, no. 2 (2017): 182–89. http://dx.doi.org/10.15446/agron.colomb.v35n2.60981.

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The study was carried out in an agroforestry system (AFS) with cacao trees already established in La Suiza Research Center, Corpoica, located in Rionegro, Santander (Colombia). The objective was to evaluate biomass input and nutrient release rate of the species that comprise the AFS (Gmelina arbórea, Gliricidia sepium, Cedrela odorata, Theobroma cacao). The plant material decomposition process of the species was monitored with decomposition bags after 8, 15, 23, 84 and 113 days, evaluating remnant weight and nitrogen, phosphorous, potassium, calcium and magnesium content. Results showed signif
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Ibrahim, Haruna, and Abubakar Ali. "Facile Synthetical Method of Squalene from Vegetable Residue." Journal of Chemical Engineering and Industrial Biotechnology 9, no. 1 (2023): 8–12. http://dx.doi.org/10.15282/jceib.v9i1.9369.

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The proscription of the use of shark liver oil for the production of squalene by the International Ocean Conservation and Advocacy Organization (IOCAO) for the protection of sharks in 2005, leads to a great reduction in its quantity in circulation. The quantity in circulation is not enough to meet its growing demand. Therefore, the research for the synthesis of squalene was extended to the use of Gmelina arborea leaves. This was carried out by treating the dry leaves of Gmelina arborea with methanol and a barium chloride catalyst at 90 °C at varying reaction times in minutes. The products were
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Adeniji, A. A. "Effects of replacing groundnut cake with Gmelina arborea leaf meal in the diets of growing rabbits." Nigerian Journal of Animal Production 40, no. 1 (2020): 96–101. http://dx.doi.org/10.51791/njap.v40i1.651.

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Seventy-two (72) grower rabbit were used to assess the replacement of groundnut cake with Gmelina arborea leaf meal in the diets of grower rabbits and determining its effect on growth; nitrogen digestibility and the economics of rabbit production. There were six (6) dietary treatments with Gmelina arborea leaf meal replacing groundnut cake at 0, 20, 40, 60, 80 and 100%. Each treatment was replicated three (3) times with four (4) rabbits per replicate in a completely randomize blocked design (CRBD). Proximate analysis of Gmelina arborea leaves on air-cured basis showed that the leaves contained
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Tenorio, Carolina, Roger Moya, and Diego Camacho. "Propiedades físico-mecánicas de tableros terciados construidos con especies tropicales de plantaciones para uso estructural." CERNE 18, no. 2 (2012): 317–25. http://dx.doi.org/10.1590/s0104-77602012000200017.

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En Costa Rica, el concreto, el acero y los plásticos son los materiales más utilizados para construcción. Mientras que por otro lado la utilización de madera de plantaciones forestales se ha incrementado en los últimos años. Ante tal situación en el presente estudio, fueron determinadas las propiedades físicas y mecánicas de tableros terciados manufacturados con chapas de Gmelina arborea, Tectona grandis y Acacia mangium provenientes de plantaciones forestales para usos estructurales. Se analizaron tres tableros (plywood) de cada una de las especies, se realizó una caracterización general y se
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Alam, Rabiul, Azharul Islam, S. M. Feroz, et al. "Drying Schedule and Effect of Seasoning on Physical and Mechanical Properties of Three Available Timber Species in Bangladesh." Global Journal Of Botanical Science 4, no. 2 (2022): 59–66. http://dx.doi.org/10.12974/2311-858x.2016.4.2.3.

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Drying schedules for seasoning of Gmelina arborea (Gamar), Swietenia macrophylla (Mahagony) and Mangifera indica (Mango) timber with minimum drying defects were developed. The effects of the drying on physical and mechanical properties of timber of these species were studied. New drying schedules for these three species were compared with an accelerated drying schedule. Physical properties i.e., density, water absorption and thickness swelling, as well as mechanical properties i.e., modulus of elasticity (MOE), modulus of rupture (MOR) of the wood of these species seasoned by new drying schedu
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Siregar, Ulfah Juniarti, and Roisatuz Zakiyah. "GROWTH OF FOUR TREE SPECIES ON MEDIA CONTAINING GOLD MINE TAILING OF PT ANTAM UBPE PONGKOR." Journal of Tropical Silviculture 7, no. 3 (2016): S72—S76. http://dx.doi.org/10.29244/j-siltrop.7.3.s72-s76.

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PT Antam UBPE Pongkor is a gold mining company that produces waste in the from of tailing mud which contains heavy metal with sufficiently high concentration. The aim of this research was to study the growth of four types of plant, i.e. Casuarina junghuniana, Pinus merkusii, Melia azedarach, and Gmelina arborea in a media containing tailing mud. This research used a completely randomized factorial design with two factors, i.e. types of plant and media. Two kinds of media was used i.e. 1200g tailing and a mixture of 900g tailing and 300g compost. Growth parameters observed were plant diameter,
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Ayag, Annie Onez, Kyra Luminarias Padonat, Kizza Eyn Sulima Minguita, Joey Arles Ongue Vergara, Jade Capinpuyan Jusoy, and Cornelio Sacquiap Casilac Jr. "Disease Spectral Identification and Analysis on the Bark of Gmelina (Gmelina arborea Roxb)." Jurnal Sylva Lestari 13, no. 1 (2025): 60–74. https://doi.org/10.23960/jsl.v13i1.1033.

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Gmelina arborea is among the fast-growing Industrial tree plantation species currently being used as an alternative source of the decreasing supply of commercial timber from natural-growth forests. This study focuses on disease spectral identification and analysis of G. arborea bark using UV-Vis Spectrophotometry. Bark samples from both healthy and unhealthy bark with canker and death diseases were collected inside Caraga State University’s Main Campus. The methodology involved preparing bark extracts and measuring their absorbance over a wavelength range of 350 nm to 800 nm. The findings reve
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Meshram, P. "Studies on the incidence of bark eating caterpillar Indarbela quadrinotata and bio-physical basis of resistance in Gmelina arborea plantation ecosystems." Indian Journal of Forestry 28, no. 3 (2005): 287–90. http://dx.doi.org/10.54207/bsmps1000-2005-8a4907.

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Ten different national provenances and four different seedling (RT, PB, PT &amp; RS) raised plantations of Gmelina arborea were screened against bark eating caterpillar Indarbela quadrinotata. Ghotil, Maharashtra provenance and root shoot seedling raised plantations were found to be more resistant showing 6.66% and 5% infested plants with least number of holes and less penetration. Other bio-physical test parameters like diameter of the tree trunk, height or age of the plants and the moisture content of the bark play an important role in imparting resistance of G. arborea to I. quadrinotata.
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Rodríguez, Mainor, Dagoberto Arias, Juan Carlos Valverde, and Diego Camacho. "Ecuaciones alométricas para la estimación de la biomasa arbórea a partir de residuos de plantaciones de Gmelina arborea y Tectona grandis en Guanacaste, Costa Rica." Revista Forestal Mesoamericana Kurú 15 (September 19, 2018): 60–66. http://dx.doi.org/10.18845/rfmk.v15i1.3723.

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El uso de los residuos de los raleos y las cosechas finales de plantaciones de Gmelina arborea y Tectona grandis con fines energéticos, se ha convertido en una actividad financieramente viable en los años más recientes; sin embargo en la mayoría de los casos ni el productor ni el comprador tienen un estimado de la biomasa generada. Para efectos de facilitar la comercialización de la biomasa es necesario disponer de ecuaciones alométricas que faciliten una estimación de la biomasa producida. En el presente trabajo se planteó como objetivo generar y validar ecuaciones alométricas para el cálculo
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Tapia-Coronado, Jairo J., José L. Contreras, Judith Martínez-Atencio, Leonardo López, and José L. Rodríguez. "Producción y descomposición de hojarasca de especies forestales en sistemas silvopastoriles, Valle del Sinú, Colombia." Agronomía Mesoamericana 34, no. 1 (2022): 49781. http://dx.doi.org/10.15517/am.v34i1.49781.

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Introducción. Los sistemas de producción tradicionales de ganadería generan degradación de suelos, por lo cual es importante implementar sistemas silvopastoriles como una alternativa para la producción bovina de carne y leche. Objetivo. Cuantificar la producción de hojarasca foliar de especies leñosas perennes (Gmelina arborea - Melina, Tabebuia rosea - Roble, Acacia mangium – Acacia) y el aporte potencial de nutrientes al suelo (ciclaje de nutrientes) dentro de sistemas silvopastoriles. Materiales y métodos. Se evaluó la producción y descomposición de hojarasca de especies forestales en campo
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Ogana, Friday Nwabueze. "A percentile-based estimator for the log-logistic function: Application to forestry." Forestry Studies 72, no. 1 (2020): 107–20. http://dx.doi.org/10.2478/fsmu-2020-0009.

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AbstractDeveloping a simplified estimation method without compromising the performance of the distribution is germane to forest modelling. Few estimation methods exist for the Log-Logistic distribution and are relatively complex. A simplified estimator for the Log-Logistic parameters will increase its application in diameter distribution yield systems. Therefore, in this study, a percentile-based estimator was applied for the Log-Logistic distribution. The Kolmogorov-Smirnov, Anderson-Darling and Cramer-von Mises statistics were used to evaluate the method in two natural forest stands and two
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Rocha, Oscar, Dawa Méndez-Álvarez, Fabiana Rojas Parajeles, and Olman Murillo Gamboa. "Isolation and Characterization of Fifteen Microsatellite Loci for the Use in Breeding of Gmelina arborea Roxb. (Lamiaceae)." Genetic Resources 1, no. 2 (2020): 23–28. http://dx.doi.org/10.46265/genresj.lltj1737.

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Gmelina arborea (melina) is a valuable tree species throughout tropical areas, and there are extensive commercial plantations of this species in Southeast Asia, West Africa, and Latin America. As part of a research program for the genetic improvement and management of G. arborea at Instituto Tecn´ologico de Costa Rica, we developed, validated, and optimized fifteen microsatellite loci. We used 23 clones belonging to five different companies currently using clonal selection to manage their commercial plantations. Our results showed that all fifteen loci were polymorphic and together had 75 alleles
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Rustam, E., D. J. Sudrajat, N. Nurhasybi, N. Widyani, and S. Surono. "Possibility of bare-root seedling application for tropical forest and landscape restoration: A study on Gmelina arborea and Calophyllum inophyllum." E3S Web of Conferences 373 (2023): 05005. http://dx.doi.org/10.1051/e3sconf/202337305005.

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Container and bare-root seedlings are the two basic stock types used in reforestation programs in many countries, but in the tropics, bare-root seedlings have never been widely applied. The objective of this research was to assess the possibility of bare-root seedlings for tropical forest and landscape restoration treated by fertilization in the nursery and aquasorb treatment using two forest tree species, i.e., Calophyllum inophyllum and Gmelina arborea. A randomized block design was used to assess the seedling performance in nursery and aquasorb application on bare-root seedlings and contain
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Gninkplékpo, Euvrard L. R., Bossima Ivan Koura, Paolo D. A. Lesse, et al. "Forage Preference, Voluntary Intake, and In Vivo Digestibility of Six Tropical Tree Leaves by Sheep in Semi-Arid Areas in Benin Republic (West Africa)." Sustainability 16, no. 6 (2024): 2270. http://dx.doi.org/10.3390/su16062270.

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Livestock supplementation with forage trees is becoming a sustainable alternative to traditional grazing on the open pastures during the dry season in Benin. However, little is known about the feeding preferences of sheep and the digestibility of such native tree/shrub fodder. Such knowledge could improve their use on smallholder farms. Multiple-choice feeding preference tests were conducted on six tree fodders (Annona senegalensis, Blighia sapida, Cassia sieberiana, Gmelina arborea, Khaya senegalensis, and Mangifera indica) to determine the best choice to feed the local rams and ewe Djallonke
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Shivappa, Parashuram, Anjana Gaddigal, Paramanna Poojari, et al. "Green synthesis of Magnesium Oxide nanoparticles using Gmelina arborea leaf extract: antimicrobial, antioxidant, and antiangiogenic potentials." Materials NanoScience 12, no. 1 (2025): 1184. https://doi.org/10.62110/sciencein.mns.2025.v12.1184.

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This study focuses on the green synthesis of magnesium oxide nanoparticles (MgO NPs) using the aqueous leaf extract of Gmelina arborea (G. arborea). The NPs were characterized using various spectroscopic techniques. The UV-visible (UV-vis) absorption peak at 298 nm, Fourier transform infrared analysis confirms the chemical composition and molecule or ligand on the surface of NPs, and X-ray diffraction peaks show well crystalline nature of MgO NPs. The dynamic light scattering (DLS) analysis displayed an average particle size of 67 ± 10 nm, and the zeta potential (ZP) was found to be -36 ± 5 mV
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Rotenberg, James A. "Ecological Role of a Tree (Gmelina Arborea) Plantation in Guatemala: An Assessment of an Alternative Land use for Tropical Avian Conservation." Auk 124, no. 1 (2007): 316–30. http://dx.doi.org/10.1093/auk/124.1.316.

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AbstractEstablished parks and nature reserves may be inadequate to preserve long-term biotic diversity, especially in tropical regions of Latin America where anthropogenic disturbance and land-conversion is an ongoing problem. Demand for economically productive land uses, such as cattle pastures or monoculture plantations, is one of the greatest threats to habitat and wildlife preservation. As a result, conservation biologists have turned to examining attributes of nonprotected lands to determine which land uses both support wildlife and make economic sense. I examined bird use of a plantation
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Khejornsart, Pichad, Theerayut Juntanam, Pongsatorn Gunun, Nirawan Gunun, and Anusorn Cherdthong. "Effect of High-Tannin and -Polyphenol Plant Material Supplement on Rumen Fermentation, Nitrogen Partitioning and Nutrient Utilization in Beef Cattle." Animals 14, no. 21 (2024): 3092. http://dx.doi.org/10.3390/ani14213092.

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The current issue of ruminant methane emissions is still being researched by animal nutritionists in an effort to find new approaches. In this study, five beef cattle were randomly assigned in a 5 × 5 Latin square design to examine the effects of supplementation with high-tannin and -polyphenol plant materials on nutrient utilization, rumen fermentation, and nitrogen partitioning. Cattle offered total mixed ration (TMR) silage diets with or without tannin-rich tree leaf or plant herbs, such as Piper sarmentosum Roxb., Cymbopogon citratus (DC.) Stapf, Anacardium occidentale L., and Careya arbor
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Pandita, Saiesh, Subash Chandra Mohapatra, Sasmita Behera, and Manas Ranjan Nayak. "Tree Biometrics and Rhizosphere Microbial Population on Different Gmelina arborea Provenances." Environment and Ecology 42, no. 3B (2024): 1388–96. http://dx.doi.org/10.60151/envec/lorb5986.

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A study was conducted at All India Co-ordinated Research Project on Agroforestry, Odisha University of Agriculture and Technology, Bhubaneswar, Odisha, India, from June 2021 to June 2023. It was laid out in Randomized Block Design with three replications and seven treatments of Gmelina arborea, viz., T1 (Chandaka), T2 (Nuapada), T3 (Nilgiri), T4 (Rayagada), T5 (Durgaprasad), T6 (Jhargram) and T7 (Kahikuchi). This study revealed notable variations in growth and other parameters across provenances (treatments). The tree growth indicators were statistically significant. T6=Jhargram provenance of
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Sudomo, Aris, Dewi Maharani, Dila Swestiani, et al. "Intercropping Short Rotation Timber Species with Teak: Enabling Smallholder Silviculture Practices." Forests 12, no. 12 (2021): 1761. http://dx.doi.org/10.3390/f12121761.

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Community forest management for timber production requires short- and long-rotation companion species to fulfill the demands of the timber industry, improve farmer welfare and maintain environmental sustainability. Four species (Falcataria moluccana, Neolamarckia cadamba, Acacia mangium and Gmelina arborea) were tested as short-rotation timber crop companion species for teak (Tectona grandis) on dry-rocky soil in the Gunungkidul community forest. The selection of short-rotation timber species was based on growth performance and survival rate at the teak site. Two years after planting, the viab
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Gadouche, Leila, Abdulwadood Shakir Mahmood Alsoufi, Dominika Pacholska, Anna Skotarek, Cezary Pączkowski, and Anna Szakiel. "Triterpenoid and Steroid Content of Lipophilic Extracts of Selected Medicinal Plants of the Mediterranean Region." Molecules 28, no. 2 (2023): 697. http://dx.doi.org/10.3390/molecules28020697.

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The available phytochemical characteristics of the medicinal plants and derived herbal material often lack data concerning the content of steroids (including phytosterols) and triterpenoids, that can be responsible for various beneficial properties and therapeutic effects, either directly, or as a result of synergistic action with other bioactive constituents. The aim of the present work was the analysis of the content of these compounds in herbal material (leaves, aerial parts) derived from selected medicinal plants (Cistus ladanifer, Cistus monspeliensis, Erica arborea, Globularia alypum, Pi
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Dianda, Oumarou Z., Issa Wonni, Fernandez Diana, Oumarou Traoré, Cyrille Tinlé Zombré, and Fousseni Borro. "In vitro efficacy of some plant aqueous extracts against two species of Lasiodiplodia associated to mango decline in Burkina Faso." International Journal of Biological and Chemical Sciences 14, no. 8 (2020): 2699–712. http://dx.doi.org/10.4314/ijbcs.v14i8.4.

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Mango decline is a serious disease in production areas in Burkina Faso. The aim of this study was to contribute to the management of the disease through the use of plant aqueous extracts. Antifungal activities of Azadirachta indica, Calotropis procera, Gmelina arborea, Jatropha curcas, Eucalyptus camaldulensis and the synthetic fungicide (Mancozeb) were tested against Lasiodiplodia theobromae and Lasiodiplodia pseudotheobromae associated to mango decline in Burkina Faso. Three different concentrations of leaf extracts which 25%, 50%, 75% and 500 ppm of Mancozeb were tested for their antifungal
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Foster, C. Orakwue. "Gmelina arborea Seed Oil Characterization, Proximate and Heavy Metal Analyses." Chemistry Research Journal 2, no. 2 (2017): 19–22. https://doi.org/10.5281/zenodo.13956197.

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Oil quality of <em>Gmelina arborea</em> seed was investigated. The oil was obtained by solvent extraction using petroleum ether. Percentage oil yield was 10.82%. Proximate analyses showed that the seed contained 4.6% ash, 3.86% crude fiber, 2.98%crude protein, 5.71%mosture, and specific gravity of 0.89. Characterization of the oil showed that the oil had acidity of 3.50mgKOH/g, iodine value of 31.11mg/l, saponification value 33.00mg/g, peroxide value 5.70mg/g, and 1.75%free fatty acid. The low acid and free fatty acid values of the oil indicated that it was not prone to oxidative rancidity, th
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Adedayo, M. R., A. E. Ajiboye, and O. A. Yahaya. "Ethanol Production from Gmelina arborea Wood Wastes by Saccharomyces cerevisiae using Submerged Fermentation." Nigerian Journal of Biotechnology 37, no. 2 (2021): 144–51. http://dx.doi.org/10.4314/njb.v37i2.14.

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Lignocellulose wastes are the most abundant residues on the surface of the earth. This project studies the possibility of ethanol production from a forestry waste. Wood wastes from Gmelina arborea were treated with dillute sulfuric acid to break down the lignin component. Fermentation for ethanol production was done using baker’s yeast (Saccharomyces cerevisiae ATCC 204508/S288c) for 120 hours using submerged fermentation, and the pH, reducing sugar, specific gravity and lignin content were determined using standard techniques. Ethanol concentration and yield were measured via vinometer and et
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Setiadi, D., M. Susanto, L. Baskorowati, Mashudi, and S. Pudjiono. "Genetic variation of Gmelina arborea Roxb in Trenggalek, East Java." IOP Conference Series: Earth and Environmental Science 914, no. 1 (2021): 012014. http://dx.doi.org/10.1088/1755-1315/914/1/012014.

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Abstract White teak (Gmelina arborea Roxb) is an introduced species of the verbenaceae. This study observed genetic variation of G. arborea in Trenggalek, East Java. Incomplete Block Design was used for this trial comprising four replications, five populations, 50 families, and three tree plots with planting space of 3 x 2 m. Significant differences between seed origins for height and survival rate were exhibited in this study; however, no significant differences between populations for diameter traits at 1st year old. Meanwhile, significant differences between populations for height, diameter
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Wasis, Basuki, and Novi Anggraini. "PERTUMBUHAN SEMAI GMELINA (Gmelina arborea Roxb.) PADA MEDIA BEKAS TAMBANG SILIKA DENGAN PENAMBAHAN PUPUK KANDANG KAMBING DAN ARANG KAYU Growth for Gmelina (Gmelina arborea Roxb.) on the Post Mine Silica with the Addition of Goat Manure and Wood Charcoal." Journal of Tropical Silviculture 8, no. 3 (2018): 203–7. http://dx.doi.org/10.29244/j-siltrop.8.3.203-207.

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Mining activity consists of land clearing, erosion of soil horizons, dredging and hoarding. The mining activities will impact to the soil fertility. The addition of soil nutrition can be done by giving goat manure and wood charcoal. This research aims to examine the effect of wood charcoal and goat manure addition to the growth of gmelina (Gmelina arborea Roxb.) seedlings on the post mine silica soil. This research used randomized complete design wit two factorials. Parameter observed in this search is high, diameter and biomass. Observations in 12 weeks whows that single treatment of wood cha
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Shihan, Mahbubul Hoque, Zobaer Al Mahmud, Nazmul Qais, and Mohammad Riaz. "Pharmacological Evaluation of Stem Bark of Callicarpa arborea Roxb." Dhaka University Journal of Pharmaceutical Sciences 14, no. 1 (2015): 111–16. http://dx.doi.org/10.3329/dujps.v14i1.23743.

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The ethanol extract of stem bark of Callicarpa arborea and its different fractions were investigated for various pharmacological properties. In the acetic acid-induced writhing inhibition assay, the ethanol extract and its chloroform and ethyl acetate soluble fractions at a dose of 200 mg/kg body weight significantly inhibited writhing response with 42.7%, 70.3% and 32.8% of inhibition, respectively. In the antioxidant assay by DPPH, the ethanol extract and its pet ether and chloroform soluble partitionates demonstrated significant free radical scavenging activity with IC50 values of 41.53, 14
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