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Journal articles on the topic 'Leaf extract'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Gunasekar, J. "Effect of Leaf Extracts Seed Priming and Foliar Spray of Panchagavya on Chlorophyll Content, Gaseous Exchange Parameters, Nitrogen, Potassium and Protein Content of Seed in Blackgram [Vigna mungo (L.) Hepper] cv. CO 6." International Journal of Current Research and Academic Review 12, no. 10 (2024): 15–22. http://dx.doi.org/10.20546/ijcrar.2024.1210.002.

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The experiment was conducted to study about the effect of various leaf extracts seed priming and foliar spray of Panchagavya on chlorophyll content, gaseous exchange parameters, Nitrogen (N), Potassium (K) and Protein (P) content of seed in blackgram. The seeds of blackgram cv. CO 6 were imposed with leaf extracts seed priming and foliar spray viz., Moringa leaf extract 1%, Prosopis leaf extract 1%, Neem leaf extract 1%, Pungam leaf extract 1%, Arappu leaf extract 1% and foliar spray of Moringa leaf extract 3%, Panchagavya 3%, Prosopis leaf extract 3% and Neem leaf extract 3% along with contro

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P. A., Hosamani. "Comparative Account of Antimicrobial Activities of Leaf and Leaf Callus Extracts of Psoralea corylifolia L." International Journal of Research and Review 12, no. 3 (2025): 151–55. https://doi.org/10.52403/ijrr.20250321.

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Antimicrobial activity of leaf and leaf callus extract of Psoralea corylifolia was studied using different solvent like chloroform, acetone, ethanol and water against two-gram (+) ve and two-gram (+) ve bacterial strains like Bacillus subtilis, Staphylococcus aureus, Pseudomonas aeruginosa, Escherichia coli and fungal strains Aspergillus niger and Penicillium chrysogenum. The antimicrobial activity was determined by disc diffusion method. Out of the four-extract used, acetone and ethanol extracts were found to be highly active in both leaf and leaf extracts. It is also found that the zone of i

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Khan, Humayun Reza, Nigar Sultana, and Prova Sharmin. "Larvicidal efficacy of the crude leaf extracts of Eucalyptus camaldulensis Dehn (Myrtales: Myrtaceae) against the mosquito larvae of Culex quinquefasciatus Say (Diptera: Culicidae)." Dhaka University Journal of Biological Sciences 27, no. 2 (2018): 135–44. http://dx.doi.org/10.3329/dujbs.v27i2.46462.

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Eucalyptus camaldulensis was assayed to evaluate the larvicidal efficacy of its leaf extracts against the 3rd instar larvae of Culex quinquefasciatus at five dose concentrations (viz. 0.25, 0.50, 0.75, 1.0, 1.25, 1.5, 2.0, 2.5 and 3.0) in five solvents (viz. chloroform, ethanol, di-chloromethane, acetone and water) based extracts after 24 hrs exposure. Among all the extracts the shade dried chloroform based leaf extracts showed the highest larvicidal efficacy (viz. 42.67, 56.67, 68.0, 92.67 and 100%) at low dose concentrations of 0.25, 0.50, 0.75, 1.0 and 1.25, respectively while the sun dried

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4

Antonius, Simon Petrus Ginting, Roni Pazla, and Zaitul Ikhlas. "Effectiveness of Adding Molasses and Gambier Leaf Extract on The Quality of Indigofera zollingeriana Silage." IOP Conference Series: Earth and Environmental Science 1497, no. 1 (2025): 012049. https://doi.org/10.1088/1755-1315/1497/1/012049.

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Abstract Indigofera zollingeriana is a superior livestock feed with high nutrient content and abundant biomass. Seasonal variations in Indonesia typically affect its production levels. Silage technology can be employed ti prevent wastage og forage during abundant harvest seasons and ensure sufficient forage availability during lean periods in summer. High nutrient content in the forage, particularly protein, tends to break down during the effectiveness of adding molasses and gambier leaf extract as sources of phytochemical compounds on the quality of Indigofera zollingeriana silage and rumen f

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J., C. Okonkwo, N. Ezekwe V., N. Onunkwo D., and F. Okonkwo I. "Haematological Characteristics of Broiler Birds Administered Neem Leaf (Azadirachta indica) and Pawpaw leaf (Carica papaya) Leaf Extracts." International Journal of Environmental & Agriculture Research 7, no. 7 (2021): 55–59. https://doi.org/10.5281/zenodo.5149752.

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<strong><em>Abstract</em></strong><strong>—</strong> <em>One hundred and twenty (120) broilers birds of Abore acere breed were used to determine the effect of pawpaw leaf and neem leaf extracts on the haematological profile of broilers birds. The chicks were randomly assigned to four treatments with 30 birds in each treatment. Each treatment was replicated three times with 10 birds per replicate in a completely randomized design (CRD). Treatment 1 received only vaccine and drugs without the leaf extract in their water, treatment 2 and 3 received 150 ml of the Neem and Pawpaw leaf extract

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6

Paramita, Octavianti, Muhammad Ansori, Wahyuningsih, et al. "Identification of Saponin Compounds and Antioxidant from Batu Variety of Longan Leaf Extract." IOP Conference Series: Earth and Environmental Science 1381, no. 1 (2024): 012042. http://dx.doi.org/10.1088/1755-1315/1381/1/012042.

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Abstract This study aims to identify saponin compounds and to examine the antioxidant activity contained in batu variety of longan leaf extract from Semarang Regency. The observed longan leaves are fresh leaves, fresh leaf extract, and dry leaf extract. Longan leaves contain various bioactive compounds, one of which functions as an antioxidant. This study consists of extraction, saponin testing, and antioxidant activity which is tested using 2,2-diphenyl-1-picrylhydrazyl (DPPH) and FRAP. Fresh leaves, fresh leaf extract, and dried leaf extract contain saponin compounds. The levels of saponin c

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7

Khemakhem, Ibtihel, Ana Fuentes, María Jesús Lerma-García, Mohamed Ali Ayadi, Mohamed Bouaziz, and José Manuel Barat. "Olive leaf extracts for shelf life extension of salmon burgers." Food Science and Technology International 25, no. 2 (2018): 91–100. http://dx.doi.org/10.1177/1082013218795816.

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In this work, the effect of the addition of olive leaf extracts on the quality of vacuum-packed salmon burgers stored at 4 ℃ during 16 days has been studied. Olive leaf extract and its hydrolysate were initially characterized and then incorporated to salmon burgers. A shelf life study was conducted in three different batches (control, olive leaf extract, and hydrolyzed olive leaf extract burgers). Among the chemical indices determined, total volatile base nitrogen values were lower in hydrolyzed olive leaf extract and olive leaf extract burgers than in control samples. Lipid oxidation was lowe

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T. R., Prashith Kekuda, Raghavendra H. L., Shilpa M., Pushpavathi D., Tejaswini Petkar, and Ayesha Siddiqha. "ANTIMICROBIAL, ANTIRADICAL AND INSECTICIDAL ACTIVITY OF GARDENIA GUMMIFERA L. F. (RUBIACEAE)." International Journal of Pharmacy and Pharmaceutical Sciences 9, no. 10 (2017): 265. http://dx.doi.org/10.22159/ijpps.2017v9i10.20252.

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Objective: The present study was carried out to investigate antimicrobial, antiradical and insecticidal potential of leaf and fruit of Gardenia gummifera L. f. (Rubiaceae).Methods: The leaf and fruits were shade dried, powdered and extracted by maceration process using methanol. Antibacterial activity was evaluated against Gram positive and Gram negative bacteria by Agar well diffusion assay. Antifungal activity was determined against six seed-borne fungi by Poisoned food technique. Antiradical activity of leaf and fruit extracts was evaluated by 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 2,2-az

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Suriawati, Junie, Patimah Patimah, and Siti Rahayu Rachmawati. "Antibacterial Activities Test of Combination of Ethanolic Extract of Betel Leaves (Piper betle L.) and Basil Leaves (Ocimum basilicum L.) Against Staphylococcus aureus." SANITAS : Jurnal Teknologi dan Seni Kesehatan 9, no. 2 (2018): 118–26. http://dx.doi.org/10.36525/sanitas.2018.13.

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Betel leaf extract and basil leaf extract contain phenol compounds, safonin, flavonoids, tannins, and essential oils that act as antibacterials. Skin is very susceptible to infection or other skin diseases one of which is caused by Staphylococcus aureus bacteria. This research needs to be done to test the antibacterial activity of ethanol extract of green betel leaf, basil leaf and combination of both extracts to S. aureus. The process of extraction of betel leaf and basil leaves was done with 96% ethanol solvent using maceration method. The combinations used in the sample solution were the co

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10

Riaz, Muhammad, Humaira Fatima, Muhammad Misbah ur Rehman, et al. "Appraisal of antioxidant potential and biological studies of bogan bail (Bougainvillea glabra) leaf extracts using different solvents." Czech Journal of Food Sciences 39, No. 3 (2021): 176–80. http://dx.doi.org/10.17221/273/2020-cjfs.

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Current research work was performed to evaluate the antioxidant, antidiabetic, thrombolytic, and cytotoxic potential of Bougainvillea glabra leaf extracts with different solvents. Extraction of leaves was carried out by maceration using solvents of various polarity such as n-hexane, chloroform, ethyl acetate, n-butanol, and methanol. The highest values of total phenolic and flavonoid contents were assessed in methanolic extract, such as 58.57% and 29.41%, respectively. Antioxidant potential was measured by DPPH free radical, showing 65.16% scavenging activity in methanolic extract. Similarly,

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11

Sari, Diah Puspita, Shintya Yuniar, Siti Awalia Nur Fadillah, Afifi Mutiarani, and Diah Kusumawaty. "The Effectiveness of Mugwort Leaf Extract and Gotu Kola Leaf Extract against Acne Bacterial Activity." ASEAN Journal of Science and Engineering 2, no. 3 (2022): 249–56. http://dx.doi.org/10.17509/ajse.v2i3.39634.

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Acne is a problem among teenagers generally caused by bacterial infections such as Propionibacterium acnes, Staphylococcus aureus, and Staphylococcus epidermidis. Mugwort (Artemisia vulgaris L.) and Gotu Kola (Centella asiatica L.) extracts have antibacterial activity formulated in anti-acne gel preparations. The purpose of this study was to test and obtain a gel formula of mugwort leaf extract and gotu kola leaf extract which effectively kills and controls the growth of acne-causing bacteria. The methods used in this study include simplicity making, leaf extraction, making anti-acne gel prepa

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Sapkota, Sujana, Alishma Maharjan, Sanjeeta Tiwari, and Meena Rajbhandari. "Phytochemical Analysis, Antioxidant Potential and Antibacterial Activities of Different Anatomical Parts of Hypericum cordifolium Choisy." Scientific World Journal 2024 (May 25, 2024): 1–11. http://dx.doi.org/10.1155/2024/8128813.

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The genus Hypericum comprises a large number of species. The flower, leaf, stem, and root of the Hypericum species are widely used in traditional medicine in different cultures. Many Hypericum species have been well investigated phytochemically and pharmacologically. However, only a few reports are available on the H. cordifolium native to Nepal. The present study aims to evaluate the phytochemical composition of different extracts, qualitative analysis of methanol extract of the flower and leaf using thin-layer chromatography (TLC), and the antioxidant properties of components by the TLC-DPPH

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Abizar, Muhamad, and Djoko Prijono. "AKTIVITAS INSEKTISIDA EKSTRAK DAUN DAN BIJI TEPHROSIA VOGELII J. D. HOOKER (LEGUMINOSAE) DAN EKSTRAK BUAH PIPER CUBEBA L. (PIPERACEAE) TERHADAP LARVA CROCIDOLOMIA PAVONANA (F.) (LEPIDOPTERA: CRAMBIDAE)." Jurnal Hama dan Penyakit Tumbuhan Tropika 10, no. 1 (2010): 1–12. http://dx.doi.org/10.23960/j.hptt.1101-12.

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Insecticidal activity of leaf and seed extracts of Tephrosia vogelii J. D. Hooker (Leguminosae) and fruit extract of Piper cubeba L. (Piperaceae) on the cabbage head caterpillar, Crocidolomia pavonana (L.) (Lepidoptera: Crambidae). Ethyl acetate leaf and seed extracts of Tephrosia vogelii and a solid fraction of ethyl acetate fruit extract of Piper cubeba were evaluated for their insecticidal activity on second-instar larvae Crocidolomia pavonana by a leaf-residue feeding method in the laboratory. Leaf extracts of purple and white-flowered T. vogelii showed the same pattern of component separa

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14

Djordjevic, Tijana, Umiljendic Gajic, Marija Saric-Krsmanovic, et al. "Antioxidant activity of Juglans regia L. And Rumex obtusifolius L. leaf extracts and screening for their allelopathic potential." Pesticidi i fitomedicina 37, no. 1 (2022): 9–19. http://dx.doi.org/10.2298/pif2201009d.

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Secondary plant metabolites with allelopathic activity or phytotoxicity could be biotechnologically important, serving as a source of allelochemicals, and thus contributing to the agro-industrial sector. The objective of this study was to use the obtained common walnut (Juglans regia L.) and bitter dock (Rumex obtusifolius L.) leaves extracts rich in phenolic compounds, i.e. with high antioxidant potential, and to identify their phytotoxicity to Setaria glauca (L.) P. Beauv. and Sorghum halepense (L.) Pers. weed seedlings grown in vitro. The obtained plant extracts had remarkably high affinity

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Kariuki, Ibrahim Waweru, Mathew Ngugi, and John Maingi. "Qualitative phytochemical screening and in vitro antioxidant activities of aqueous extracts of Rhaphiolepis bibas (Lour.) Galasso & Banfi." Acta Marisiensis - Seria Medica 70, no. 3 (2024): 175–85. http://dx.doi.org/10.2478/amma-2024-0022.

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Abstract Reactive oxygen species causes harm to cell membranes and biomolecules, wherefore chronic diseases develop. Antioxidants scavenge such free radicals combating oxidative stress. This research aimed to determine the antioxidant potential of the aqueous stem bark, root and leaf extracts of Rhaphiolepis bibas against standards. DPPH radical scavenging activity was high from th stem bark extract at 72.33% with root extract at 65.85% and leaf extract at 55.91%, while ascorbic acid scavenged 89.53% of DPPH radicals. The leaf extract had the highest H2O2 scavenging activity of 91.92% with ste

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Makanur, Ningaraj S., Neha Shurpali, Swati P. Deshpande, K. Kotresha K. Kotresha, and Shreyas B. Shreyas B. "Antioxidant Efficacy of Bark and Leaf of Homonoia retusa (Graham ex Wight) Müll. Arg." International Journal of Pharmaceutical Research and Applications 09, no. 05 (2024): 35–41. https://doi.org/10.35629/4494-09053541.

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Homonoia retusa (Graham ex Wight) Müll. Arg.rheophytic shrub traditionally used against ulcers and renal calculi. Fresh plant materials were air-driedpowder blended into a fine powder and subjected to Soxhlet extraction. Preliminary screening of ethanolic extracts ofleaf and bark extracts showed the presence of a diversity of phytochemical constituents. Tannins and Phenols, Saponins, and Phytosterols were detected in both bark and leaf extracts. The antioxidant capacity DPPH free radical scavenging assay of the extracts was compared with ascorbic acid as a standard antioxidant. Leaf extract ex

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Komala, Oom, Durrotun Nafisah Abd.Nf, and Novi Fajar Utami. "UJI AKTIVITAS EKSTRAK ETANOL KOMBINASI DAUN PANDAN WANGI DAN DAUN JAMBU BIJI TERHADAP Shigella dysenteriae." EKOLOGIA 21, no. 2 (2022): 64–71. http://dx.doi.org/10.33751/ekologia.v21i2.3666.

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Dysentery can be treated using Pandanus amarylifolius leaves and Psidium guajava leaves. This study aimed to determine the activity of the combination of 96% ethanol extract of P. amarylifolius leaves and P. guajava leaves in inhibiting the growth of Shigella dysenteriae bacteria. Methods. Extraction of P. amarylifolius leaves and P. guajava leaves respectively by using the maceration method with 96% ethanol solvent. For the combination treatment, each of these extracts was combined. Each extract obtained was tested for minimum inhibitory concentration (MIC). The MIC value of P. amarylifolius

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Mulia, Reski, Iis Wahyuningsih, Moch Saiful Bachri, and Sri Mulyaningsih. "FORMULATION OF HAIR TONIC COMBINATION OF ETHANOL EXTRACTS OF MORINGA OLEIFERA LAM LEAVES AND FRAGRANT PANDAN (Pandanus Amaryllifolius Roxb) AND ITS ACTIVITY ON HAIR GROWTH IN WHITE RATS." Medical Sains : Jurnal Ilmiah Kefarmasian 9, no. 2 (2024): 463–76. http://dx.doi.org/10.37874/ms.v9i2.1202.

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Hair is the crown for everyone because hair functions aside from providing warmth, protection, beauty, and support. Hair loss that can cause baldness is one of the most serious problems for everyone. This study aimed to determine the activity of Hair Tonic combination formulations of kelor leaf ethanol extract (Moringa oleifera Lam.) and ethanol extracts of Fragrant Pandan leaves (Pandanus amaryllifolius Roxb) on rat hair growth compared to single use. The method began with the maseration process of ethanol extract of kelor leaves and ethanol extract of Fragrant Pandan leaves, characterization

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Lenny, Sovia, Murni Suryani Lumbantoruan, and Helmina Br Sembiring. "Antioxidant Activity Assay of Eucalyptus pellita Leaf Extract." International Journal of Ecophysiology 5, no. 2 (2023): 26–33. http://dx.doi.org/10.32734/ijoep.v5i2.13715.

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In pharmacy, eucalyptus leaves are used for various pharmacological activities because they contain phenolic compounds. This study aims to detect phytochemical compounds and test the antioxidant activity of Eucalyptus pellita leaf extract. The dry powder of E. pellita leaves (1900 g) was macerated first with methanol solvent. The concentrated methanol extract was then subjected to partition extraction with n - hexane solvent. The methanol layer was concentrated and then partitioned with ethyl acetate solvent. Methanol extract was obtained as much as 176.75 g (9,30%), n-hexane extract 13.77 g (

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Sundareswari, C., and D. N. P. Sudarmani. "Synthesis and characterization of silver nanoparticles using Datura metel L. (Solanaceae) leaf extract and its larvicidal activity on Epilachna vigintioctopunctata F." ENTOMON 48, no. 4 (2023): 519–24. http://dx.doi.org/10.33307/entomon.v48i4.986.

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Insecticidal activities of synthesized silver nanoparticles of leaf extract of Datura metel L. (Solanaceae) (DM) against grubs Epilachna vigintioctopunctata F. (Coleoptera, Coccinellidae) at varying levels of concentrations was evaluated. DM leaf extract was used to create AgNPs, and nanoparticle production could be seen after six hours. UV-vis spectrophotometer, Particle size analyzer, FTIR and SEM analysis were used to confirm the synthesis of AgNPs. GCMS spectra of leaf extract of DM showed 20 substances, of which nine were known s phytochemicals and the others were unidentified. UV-visible

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Xa, Truong Van, Tran Kim Thoa, and Nguyen Dac Khoa. "Aqueous Chromolaena Odorata Leaf Extracts Induce Rice Resistance against Bacterial Leaf Blight." International Journal of Phytopathology 13, no. 2 (2024): 199–209. https://doi.org/10.33687/phytopath.013.02.4888.

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Aqueous Chromolaena odorata leaf extracts enhanced rice seed germination and seedling growth. Five extract concentrations (1, 2, 3, 4, and 5%, w/v) applied as seed soaking and foliar spraying were tested for their disease-reducing effects against rice bacterial leaf blight (BLB) caused by Xanthomonas oryzae pv. oryzae. For foliar sparying, the extracts were applied using three different methods, i.e., at 7 days before inoculation, at 14 days before inoculation and their combination. It was efficient to apply the 3% extract by seed soaking and foliar spraying at 14 days before inoculation to co

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Ujjwal Kumar Mondol and W. Islam. "Bioseparation of phytochemical constituents from leaf and stem extracts of Mimosa pudica L." International Journal of Biological and Pharmaceutical Sciences Archive 6, no. 1 (2023): 023–32. http://dx.doi.org/10.53771/ijbpsa.2023.6.1.0075.

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The isolation procedure of chemical constituents was mainly based on fractionation by solvents of varying polarity. After cold extraction, solvent-solvent partitioning of extract was done with different solvents to yield different extracts of leaf and stem of Mimosa pudica L. Gas Chromatography-Mass Spectrometry (GC-MS) analysis was carried out for petroleum ether, chloroform and ethyl acetate extracts of leaf as well as chloroform and ethyl acetate extracts of stem and 16, 11, 3, 26 and 3 compounds were identified respectively. The major compounds were benzene,1-ethyl-3-methyl- (14.83%) for p

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Liu, Yujia, Bingju Zhao, Yumeng Han, Chunjing Zou, and Chenghuan Wang. "Responses of Sesamum indicum to Allelopathy of Coniferous and Broadleaved Trees." Ecologies 6, no. 1 (2025): 21. https://doi.org/10.3390/ecologies6010021.

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The relationships among species and the mechanics of those relationships are very complicated in mixed forests, and allelopathy is one of the most important mediators of these relationships. The types and quantities of allelopathic chemicals are different in coniferous and broadleaved trees; studying the responses of some sensitive plants, such as certain crops, to allelopathy mediated by the leaf extracts of coniferous and broadleaved trees would be an effective technique to evaluate the relationships among species in a mixed forest. In this paper, the effects of leaf extracts from Metasequoi

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Ogbomade, R.S., A.A. Asara, and A.S. Eboh. "In Vitro Anti-inflammatory Properties of Leaf Extract of Polyalthia longifolia Extract." Pharmaceutical and Chemical Journal 6, no. 3 (2019): 112–15. https://doi.org/10.5281/zenodo.13940197.

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This study shows the <em>in vitro</em> anti-inflammatory effect of leaf extracts of <em>Polyalthia longifolia</em>. These were analyzed in different assays to determine their anti-inflammatory effects. Protein denaturation and RBC membrane stabilization were assayed. The results were reported as % inhibition in triplicate determination and were subjected to statistical also diclofenac sodium and Aspirin were used as standards. The result of the % inhibition of protein denaturation showed that at 1mg/ml diclofenac, ethanolic extract, fresh leaf aqueous extract and dry leaf aqueous extract of <e

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Anggraini, Herlina. "FORMULASI DAN UJI STABILITAS FISIK GEL HAND SANITIZER KOMBINASI EKSTRAK DAUN SIRIH HIJAU (PIPER BETLE) DAN EKSTRAK DAUN KELOR (MORINGA OLEIFERA) SEBAGAI ANTIMIKROBA." Journal of Pharmacy Tiara Bunda 1, no. 1 (2022): 38–49. https://doi.org/10.62619/jptb.v1i1.83.

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Antiseptics or handsanitizers generally contain alcohol and triclosan which when used continuously can irritate the skin, causing a burning sensation on the skin. One alternative to reduce the chemical content in handsanitizers is to use natural ingredients that contain antimicrobial compounds. Natural ingredients used in this study are betel leaf extract and Moringa leaf. The purpose of this study was to determine the right combination of betel and moringa leaf extract concentrations for a handsanitizer formulation with good physical stability and antimicrobial activity. This research method

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Adila Fazliyana Aili Hamzah, Nurhadijah Zainalabidin, and Nor Hidawati Elias. "Insecticidal Activity of Kaffir Lime (Citrus hystrix) against Rice Weevil (Sitophylus oryzae)." Advanced and Sustainable Technologies (ASET) 3 (March 1, 2024): 63–70. http://dx.doi.org/10.58915/aset.v3i.584.

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The aim of this study is to analyze the potential use of kaffir lime leaves and peel extract as bioinsecticides against rice weevils. The assessment of bioinsecticidal activity was studied through contact activity, repellency, antifeedant, and progeny and growth development tests. Contact activity tests resulted in increased adult mortality with increased extract concentrations from 10 to 50 mg/L after 24 hours. The leaf extract (LC50=18 mg/L) showed a higher mortality rate compared to fruit peel extracts (LC50=54 mg/L), with 100 % and 60 % mortality, respectively. The leaf extracts with a mea

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Kumari, P., S. Kumar, K. V. Rajendran, R. K. Brahmchari, and R. P. Raman. "Effects of extraction temperature on phytoconstituents of leaf extracts of Azadirachta indica and its antiparasitic efficacy against Argulus sp." Journal of Environmental Biology 44, no. 5 (2023): 699–705. http://dx.doi.org/10.22438/jeb/44/5/mrn-5021.

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Aim: To understand the effect of extraction temperatures on the phytoconstituents of dried and fresh neem (Azadirachta indica) leaf extracts and its antiparasitic efficacy (AE %) against Argulus sp., an ectoparasite of fish. Methodology: Extracts of fresh and dried neem leaf were prepared using water at three different temperatures viz. room temperature (26 °C) for 24 hr, cold extraction (4 °C) for 24 hr and hot extraction (60°C) for 15 min, respectively. The preliminary qualitative and high-performance thin liquid chromatography analysis was conducted to estimate the phytoconstituents of each

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Meng, Yu, Tao Yang, Zanpei Zhang, et al. "Characterization of bioactive and bioenergy components from fresh walnut (Juglans regia) leaf." Thermal Science 24, no. 3 Part A (2020): 1777–84. http://dx.doi.org/10.2298/tsci190806051m.

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Walnut (Juglans regia) is an important economic tree specie, and has unique aroma in its leaf. In order to investigate the bioactive and bioenergy characteristic of compounds in ethanol and benzene extracts from fresh walnut leaf by gas chromatography/mass spectrometry (GC-MS). The results indicated that ethanol and benzene extracst fresh walnut leaf contain abundant alcohols, aromatic hydrocarbons, quinones, phenols, aldehydes, acids, ketones, alkanes, esterscompounds, especially including dl-.alpha.-Tocopherol, juglone, squalene andlupeol, which are important bioactive components. The functi

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El-Rokiek, Kowthar Gad, Samia Amin Saad El-Din, Abeer Nasr Shehata, and Salma Ahmed Mahmoud El-Sawi. "A study on controlling Setaria viridis and Corchorus olitorius associated with Phaseolus vulgaris growth using natural extracts of Chenopodium album." Journal of Plant Protection Research 56, no. 2 (2016): 186–92. http://dx.doi.org/10.1515/jppr-2016-0031.

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Abstract The effects of water extracts of Chenopodium album leaves and roots on the growth of grass weed (Setaria viridis) and broad leaf weed (Corchorus olitorius) grown with beans (Phaseolus vulgaris) in greenhouse pots were studied in the National Research Centre, Giza, Egypt. In this experiment fresh leaf and root extracts and their corresponding dry leaf and root extracts at different concentrations were used. There were significant inhibitions in the dry weights of S. viridis and C. olitorius by all extracts at the flowering stage of beans and at harvest. The inhibition effect of all C.

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Noviyanto, Fajrin, Siti Hodijah, and Yusransyah Yusransyah. "Aktivitas Ekstrak Daun Bangle (zingiber purpureum roxb.) Terhadap Pertumbuhan Bakteri Pseudomonas aeruginosa." Journal Syifa Sciences and Clinical Research 2, no. 1 (2020): 31–38. http://dx.doi.org/10.37311/jsscr.v2i1.2665.

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The bacteria that cause infections that can lead to high morbidity and mortality, the bacterium Pseudomonas aeruginosa. Bangle has a pharmacological activity as antibacterial, laxative, pancreatic lipase inhibitor, and protect cells from damage caused by oxidative stress. The purpose of this study are: to know the chemical constituents present in the extract of leaves bangle (Zingiber purpureum Roxb.) Can be efficacious as an antibacterial and knowing Minimal Inhibitory concentration (MIC) of the extracts of leaves bangle against Pseudomonas aeruginosa. Tests on the leaf extracts for antibacte

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Rameshwar Raghunauth, Zareefa Bacchus, Leslie Munroe, and Gomathinayagam Subramanian. "Comparing the effects of crude and refined Mammea americana (Mamey apple) leaf extracts on Doralis symphyti (aphids) on ochro (Hibiscus esculentus) plants." Magna Scientia Advanced Research and Reviews 3, no. 1 (2021): 012–18. http://dx.doi.org/10.30574/msarr.2021.3.1.0065.

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The aphid, Doralis symphyti (Homoptera: Aphididae), a harmful pest of many crops, causes direct damage by consuming all plant parts, reducing plant vigour, and indirect damage by honeydew secretion and transmission of several viruses. Due to the problem of pesticide resistance, alternative techniques for chemical control, such as the use of natural insecticides with minimal effects on the environment and natural enemies also coincide with organic agriculture have been the objective of this research. The effects of Mammea (Mammey americana) leaf extracts on the mortality of aphids were evaluate

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MAGAJI, UMAR FARUK, OZLEM SACAN, and REFIYE YANARDAG. "Antilipase, antiacetylcholinesterase and antioxidant activities of Moringa oleifera extracts." Romanian Biotechnological Letters 27, no. 1/2022 (2022): 3208–14. http://dx.doi.org/10.25083/rbl/27.1/3208-3214.

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Pancreatic lipase is critical for the catabolism of lipids in the intestine, making it a prime target for obesity management. Acetylcholinesterase is an important enzyme that hydrolyses the neurotransmitter acetylcholine. It inhibition is paramount in enhancing systemic acetylcholine level. Side effects of conventional drugs lead to continued search for alternative anti-obesity and anticholinesterase agents. The present study assessed lipase and acetylcholinesterase inhibition, as well as antioxidant activity of Moringa oleifera extracts. The inhibitory activities of the extracts on lipase and

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Xạ, Trương Văn, Trần Kim Thoa, Nguyễn Đức Độ, and Nguyễn Đắc Khoa. "Seed Soaking Using Methanol Kalanchoe pinnata Leaf Extracts Induces Rice Resistance against Bacterial Leaf Blight." International Journal of Plant Biology 14, no. 4 (2023): 1155–66. http://dx.doi.org/10.3390/ijpb14040084.

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Bacterial leaf blight (Xanthomonas oryzae pv. oryzae) is a significant rice disease. Aqueous crude extracts of Kalanchoe pinnata were shown to induce rice resistance against the disease. This study aims at testing the disease-reducing effects of K. pinnata leaf extracts using the liquid–liquid extraction method with three different solvents (dichloromethane, methanol, and water). This serves as a basis to select appropriate extracts for effective disease control. Three concentrations (1, 1.5, and 2%) of each extract were tested using seed soaking. The extracts did not show adverse effects on s

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Hodiyah, Ida, Elya Hartini, Amir Amilin, and Moch Fauzian Yusup. "Daya Hambat Ekstrak Daun Sirsak, Kirinyuh, dan Rimpang Lengkuas terhadap Pertumbuhan Koloni Colletotrichum acutatum." Jurnal Agro 4, no. 2 (2017): 80–89. http://dx.doi.org/10.15575/1373.

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Several plants that are potentially used as bio-pesticides are soursop, siam weed, and galangal. The research objective was to find out the effectiveness of leaf extract of soursop and C. odorata, and extract of galangal rhizome in inhibiting the growth of Colletotrichum acutatum colonies, causing antracnose on chilli, in in vitro. The experiment was conducted in the laboratory of Agriculture Faculty, Universitas Siliwangi Tasikmalaya from July until August 2016. The research design used was a completely randomized design consisted of nine treatments and three replications. The treatments were

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Ezedom, Theresa, Egoamaka Oliseneku Egbune, Solomon Adanoritsewo Atseponu, et al. "Production of L-lysine under submerged fermentation by <i>Corynebacterium glutamicum</i> using different agricultural plants leaves." African Journal of Tropical Medicine and Biomedical Research 6, no. 1 (2023): 12–24. http://dx.doi.org/10.4314/ajtmbr.v6i1.2.

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Introduction: This study investigated the production of L-lysine using Corynebacterium glutamicum and various leaf extracts (cassava, palm tree, maize, cowpea, cocoyam, and plantain). The study also explored the activities of amylases and proteases, as well as the levels of total soluble proteins, reducing sugars, glucose, flavonoid and phenolic contents, and pH changes. Materials and Methods: Different treatments (extract, boiled extract, extract + C. glutamicum, boiled extract + C. glutamicum) were examined for their effects on L-lysine concentration. Additionally, the activities of am

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Paramita, O., M. Ansori, S. N. Putri, and E. D. Mayangsari. "Comparative analysis of material properties and applications of dried, fresh, and extracted longan leaves with Kopyor varieties." Journal of Physics: Conference Series 2900, no. 1 (2024): 012036. https://doi.org/10.1088/1742-6596/2900/1/012036.

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Abstract This study aims to analyze the properties of dried leaves, fresh leaves, and essential extracts to determine the best ways to utilize these leaves in various applications. It also seeks to identify the flavonoid content and test the antioxidant activity of extracts from kopyor longan leaves from Semarang Regency. The tested leaves include fresh leaves, extracts, and dried leaves. The research involves extraction, flavonoid content, and antioxidant activity testing using 2,2-diphenyl-1-picrylhydrazyl (DPPH), FRAP, and ABTS methods. The kopyor longan leaf extract has the highest flavono

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Ningsih, Dian Riana, Zusfahair Zusfahair, and Dwi Kartika. "Identification of Secondary Metabolites Compounds and Antibacterial Activities on The Extract of Soursop Leaf." Molekul 11, no. 1 (2016): 101. http://dx.doi.org/10.20884/1.jm.2016.11.1.199.

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Treatment of bacterial infectious diseases using semi-synthetic antibiotics can lead to resistance, so as to overcome it necessary to search for natural ingredients from plant extracts that has potential as an antibacterial, one of which is the leaf extract of soursop (Annona muricata L.). This study aims to determine the antibacterial activity of soursop leaf against E. coli and identify groups most active chemical compounds from the extracts. Soursop leaves extracted by maceration using n-hexane, chloroform and methanol. The extracts were tested for antibacterial activity using the diffusion

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Gupta, Sanjay Mohan, Mohommad Arif, and Zakwan Ahmed. "Antimicrobial activity in leaf, seed extract and seed oil of Jatropha curcas L. plant." Journal of Applied and Natural Science 3, no. 1 (2011): 102–5. http://dx.doi.org/10.31018/jans.v3i1.164.

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The study on antibacterial and antifungal efficacy of leaf and seed extract and seed oil of Jatropha curcas reveals that the inhibition zones ranged from 7 to 22 mm for antibacterial and from 10 to 20 mm for antifungal activity. Among all extracts tested, seed extract showed significant activity while leaf extract showed intermediate activity against gram-positive bacteria. In case of gram-negative bacteria, seed extract and seed oil has shown some moderate activity whereas, no activity was observed in leaf extract. In case of fungal cultures, among all test extracts only seed extract showed s

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Khairunnisa, Khairunnisa, Indriyanto Indriyanto, and Melya Riniarti. "POTENSI EKSTRAK DAUN KETAPANG, MAHONI, DAN KERAI PAYUNG SEBAGAI BIOHERBISIDA TERHADAP Cyperus rotundus L." EnviroScienteae 14, no. 2 (2018): 109. http://dx.doi.org/10.20527/es.v14i2.5473.

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Bioherbicide is an alternative compound to control weeds which are environmentally friendly by utilizing parts of plant organs, like leaves that are applied in the form of extracts. The aim of this study is to determine the potential of Terminalia catappa, Swietenia macrophylla, and Filicium decipiens leaf extract as bioherbicides against Cyperus rotundus and to find out which leaf extract has the most effective to prevent the Cyperus rotundus growth. The study was done by using maceration techniques of leaf extract with ethanol solvent applied to Cyperus rotundus. This study was designed in a

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Suresh, B., S. Shabana, M. Satya Prasad, M. R. Darukamallia, and A. Krishna Satya. "Phytochemical Studies and GC-MS Analysis of Tinospora Formanii Leaf Extracts." International Journal for Research in Applied Science and Engineering Technology 11, no. 9 (2023): 237–49. http://dx.doi.org/10.22214/ijraset.2023.55641.

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Abstract: The present study deals with the phytochemical aspects of Tinospora formanii. Crude leaf extracts were prepared with different solvents such as hexane, chloroform, methanol, and water using a Soxhlet apparatus. Qualitative and quantitative phytochemical studies and GC-MS analysis of leaf extracts have been carried out. Phytochemical studies showed that methanol leaf extract showed the presence of alkaloids, flavonoids, phenols, sterols, phytosterols, terpenoids, Tannins, saponins, glycosides, carbohydrates Anthraquinones, coumarins, Amino acids. Quantitative estimation showed that th

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Sreedevi, P., K. Vijayalakshmi, and R. Venkateswari. "PHYTOCHEMICAL EVALUATION OF PUNICA GRANATUM L. LEAF EXTRACT." International Journal of Current Pharmaceutical Research 9, no. 4 (2017): 14. http://dx.doi.org/10.22159/ijcpr.2017v9i4.1159.

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Objective: This study was conducted to assess the phytochemical constituents in Punica granatum L. Leaf extracts (PGLE) using standard methods.Methods: The leaf powder was extracted using solvents namely aqueous, hydroalcohol, ethanol, ethyl acetate and n-hexane. Qualitative and Quantitative phytochemical screenings of PGLE were assessed by standard methods.Results: All the leaf extracts were positive for a wide range of bio-active compounds except n-hexane. The result has showed that the maximum amount of total phenols (394.16 mg/g DW of extract), total tannins (210.5 mg/g DW of extract), fla

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Senguttuvan, Jamuna, and Paulsamy Subramaniam. "HPTLC Fingerprints of Various Secondary Metabolites in the Traditional Medicinal Herb Hypochaeris radicata L." Journal of Botany 2016 (February 14, 2016): 1–11. http://dx.doi.org/10.1155/2016/5429625.

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The aim of this work was to elucidate the various secondary metabolites such as alkaloids, flavonoids, glycosides, saponins, and terpenoids in the methanolic leaf and root extracts of Hypochaeris radicata, a most important traditional medicinal plant species in Nilgiris, the Western Ghats, India, using high performance thin layer chromatography (HPTLC). This study was carried out using CAMAG HPTLC system equipped with LINOMAT 5 applicator, TLC scanner 3, Reprostar 3, and winCATS 1.3.4 software. A comprehensive assortment of phytoconstituents in methanolic extracts through HPTLC fingerprinting

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Priyanka and Abhilasha A. Lal. "Efficacy of Trichoderma viride and Leaf Extracts against Southern Corn Leaf Blight (Bipolaris maydis) of Maize (Zea mays L.)." Journal of Scientific Research and Reports 30, no. 9 (2024): 69–74. http://dx.doi.org/10.9734/jsrr/2024/v30i92331.

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Southern corn leaf blight is one of the most serious disease-causing damage in entire country, the disease caused by Bipolaris maydis by producing lengthy, cigar structured ovoid and greyish lesions on lower leaf parts. The present investigation on “Evaluation of Trichoderma viride and leaf extracts on southern corn leaf blight (B. maydis) of maize (Zea mays L.)” was carried out at seven treatments were tested under field condition namely T. viride @ 5g/kg (ST) + Neem leaf extract @ 10% (FS), T.viride @ 5g/kg (ST) + Eucalyptus leaf extract @ 10% (FS), T. viride @ 5g/kg (ST) +Lantana camara @ 1

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Hoang, Thuy Duong, Kim Thanh Kieu Nguyen, Hong Loan Ngo, et al. "Evaluation of bioactivities of ultrasound-assisted extraction of betel leaves (Piper betle L.)." Ministry of Science and Technology, Vietnam 64, no. 3 (2022): 37–42. http://dx.doi.org/10.31276/vjst.64(3).37-42.

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In this study, the betel leaf extracts were obtained by using an ultrasound-assisted extraction method with different solvents (70% ethanol, 96% ethanol, and water). The biological compounds of the extracts were examined using different biochemical assays, namely total phenolic content, total flavonoid content. ABTS+radical cation decolorization was using to determine the antioxidant activity. The antibacterial activity of the betel leaf extracts was determined using the agar diffusion and co-culture method. The obtained results of this study indicated that the betel leaf extract from the etha

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Kumalasari, Rizki Wahita, Rusdi Rusdi, and Andi Pertiwi Damayanti. "Comparison Utilization of Papaya Leaf Extract (Carica papaya) and Mint Leaf Extract (Mentha piperita) in Feed on Production and Quality of Quail Egg." Mitra Sains 11, no. 2 (2023): 80–89. http://dx.doi.org/10.22487/ms26866579.2023.v11.i2.pp80-89.

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Phytobiotics are derivated from the plants which contains active compounds. They produce antibacterial and antioxidants activity and can improve the condition of the digestive tract. Papaya leaf extracts and mint leaf extracts have the potential as natural phytobiotics because they have antibacterial, antioxidant properties, can improve alimentary tract conditions and increase the absorption of nutrients in the feed. The aim of this study was to compare the utilization of papaya leaf extract (EDP) and mint leaf extract (EDM) in feed on the production and quality of quail egg. A hundried and fo

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Kabiru, Haruna Ibrahim, Ibrahim Zakari Abdulyassar, Abdullahi Ali Manniru, Umar Muhammad Auwalu, Ibrahim Hassan Hafsat, and Ibrahim Abdulrahim. "Phytochemical Analysis of Fruit and Leaf Extracts of Balaniteaegyptiaca." International Journal of Innovative Science and Research Technology 7, no. 9 (2022): 1056–59. https://doi.org/10.5281/zenodo.7160862.

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The Phytochemical Screening of Aqueous and Ethanolic Extracts of Fruit and Leaf of the Balaniteaegyptiacaplant was carried out using standard method to investigate the presence of secondary metabolites. The main objective of this study is to determinethe phytochemicalsof the aqueous and ethanolicextracts of B. aegyptiaca plant parts. The leaf and fruit of the plant were screened using ethanol and water as a solvents. The results revealed the presence of some major compounds including, alkaloids, anthraquinones, flavonoids, glycosides, phenolic, reducing sugar, resins, saponins and tannins. The

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Achuenu, Chukuka, I. C. Emesi, Raymond Dashe, Alexander O. Edah, and Suleman Stephen Mshelia. "INVESTIGATION ON THE COMPARATIVE PROXIMATE AND ELEMENTAL COMPOSITIONS OF THE FRUIT AND LEAF OF SOLANUM AETHIOPICUM CULTIVATED IN JOS." FUDMA JOURNAL OF SCIENCES 8, no. 6 (2024): 380–84. https://doi.org/10.33003/fjs-2024-0806-2948.

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Solanum aethiopicum, commonly referred to as the African eggplant, is one of the commonly consumed vegetables in Nigeria and other African countries because of its nutritional value and health benefits. Despite its pervasiveness, limited studies have focused on the proximate and elemental compositions of this species, especially in Jos, Nigeria. The study conducted a comprehensive proximate and elemental analysis of the fruit and leaf extracts of S. aethiopicum using n-hexane, acetone, and ethanol for maceration. Proximate and elemental analyses were conducted on fruit and leaf extracts of Sol

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&NA;. "Ginkgo biloba leaf extract." Reactions Weekly &NA;, no. 709 (1998): 7. http://dx.doi.org/10.2165/00128415-199807090-00022.

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&NA;. "Ginkgo biloba leaf extract." Reactions Weekly &NA;, no. 712 (1998): 9. http://dx.doi.org/10.2165/00128415-199807120-00024.

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&NA;. "Ginkgo biloba leaf extract." Reactions Weekly &NA;, no. 609 (1996): 7. http://dx.doi.org/10.2165/00128415-199606090-00022.

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