Gotowe bibliografie tematyczne / Non-polar leaf extract

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Gotowa bibliografia na temat „Non-polar leaf extract”

Autor: Grafiati
Data publikacji: 2 czerwca 2025
Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "Non-polar leaf extract"

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Fitriah, Fitriah, Mappiratu Mappiratu, and Prismawiryanti Prismawiryanti. "UJI AKTIVITAS ANTIBAKTERI EKSTRAK DAUN TANAMAN JOHAR (Cassia siamea Lamk.) DARI BEBERAPA TINGKAT KEPOLARAN PELARUT." KOVALEN 3, no. 3 (2017): 242. http://dx.doi.org/10.22487/j24775398.2017.v3.i3.9333.

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A research about antibacterial activity test of johar plant leaf extract (Cassia siamea Lamk.) using several levels of solvent polarity has been implemented. This study aims to determine whether the antibacterial compounds in the leaves is polar, non-polar or semi-polar, and to determine the highest inhibition level of johar leaf extract on both the gram-negative bacteria (Escherichia coli and Shigella dysenteriae) and gram-positive (Staphylococcus aureus and Micrococcus luteus). The maceration method was used in this research with 3 levels of solvent polarity namely non-polar, semi-polar and
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Rahayu, Sri, Noor Amaliah, and Raudatul Patimah. "UJI AKTIVITAS ANTIBAKTERI EKSTRAK DAUN TABAT BARITO (Ficus deltoidea) TERHADAP BAKTERI Bacillus substillis DENGAN TINGKATAN POLARITAS PELARUT." Jurnal Riset Kefarmasian Indonesia 4, no. 1 (2022): 34–45. http://dx.doi.org/10.33759/jrki.v4i1.229.

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Tabat barito leaf (Ficus deltoidea) is a single leaf of a sole form, the leaf has round tip with a flat edge and a pointed base. These leaves have a smooth surface, coloured green above and brownish yellow beneath. This study aims to determine the antibacterial activity of polar, semi-polar and non-polar compounds contained in Tabat barito leaf extract extracted with solvents of different polarity. The highest bacterial inhibition was also measured against Bacillus substillis which is a gram-positive bacterial. The maceration method uses 3 levels of solvents with different polarities, started
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Fartyal, Meenakshi, and Padma Kumar. "Bioactivity of crude extracts of Nerium oleander Linn. extracted in polar and non polar solvents." Journal of Scientific and Innovative Research 3, no. 4 (2014): 426–32. http://dx.doi.org/10.31254/jsir.2014.3406.

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Today, the world is gradually turning to herbal formulations, which are known to be effective against a large repertoire of diseases and ailments. More importantly, they are not known to cause any notable derogatory effects and are readily available at affordable prices. The present study was designed to evaluate the antibacterial activity of crude extracts of Nerium oleander (Apocynaceae) Linn. Crude extracts from different parts (root, stem and leaf) of the plant were extracted using polar (Water and Methanol) and Non-polar (Petroleum ether) solvents and were screened for antibacterial activ
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Kaushik, Shweta, Neeta Raj Sharma, Shashank Garg, Anu Bansal, and T. G. Thomas. "Larvicidal effects of Calotropis procera leaf extracts against Aedes aegypti (L), vector of dengue fever." ENTOMON 47, no. 4 (2022): 415–20. http://dx.doi.org/10.33307/entomon.v47i4.794.

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Leaf extracts of Calotropis procera were tested against late third instar larvae of Aedes aegypti mosquito. Soxhlet extraction of the dried leaves powder with polar and non-polar solvents (water, ethanol, hexane and acetone) was carried out. Larvicidal effects of plant extracts were observed after 24h of exposure. The control group showed no mortality. Ethanolic extract was found more toxic with LC50 1.923 ppm and LC90 8.83 ppm followed by aqueous extract (LC50 2.607 ppm and LC90 11.903 ppm), acetone extract (LC50 4.1 ppm and LC90 16.471 ppm) and hexane extract (LC50 5.364 ppm and LC90 31.759
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Uddin II, Robert, Victoria Gbonjubola Awolola, Suleiman Mustapha, Olawale Abdulazeez, Olawale Ilesanmi, and Abubakar Aliyu. "NOVEL APPLICATION OF TRICHILIA HEUDELOTII PLANCH: EFFECTIVENESS OF DIFFERENT POLARITY OF ORGANIC SOLVENTS OF LEAF AND STEM BARK EXTRACTS ON THE CONTROL OF COWPEA BEETLE." Cercetari Agronomice in Moldova 53, no. 3 (2020): 278–96. http://dx.doi.org/10.46909/10.46909/cerce-2020-024.

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Callosobruchus maculatus (cowpea beetle) is a field-to-store pest causing over 90% losses of cowpea. The search for new plant-derived crop protectant that can be explored as alternative to synthetic pesticides is urgently needed. Thus, the phytochemical screening, as well as the bioactivity of different polarity of organic solvents of leaf and stembark extracts of Trichilia heudelotii (Meliaceae), was investigated against the field-to-store insect pest Callosobruchus maculatus in laboratory bioassay. The non-polar (hexane) and polar (ethanol) extracts [0.0 (control), 0.5, 1.0 and 1.5 ml] of th
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UDDIN II, R. O., G. V. AWOLOLA, S. MUSTAPHA, O. H. ABDULAZEEZ, O. T. ILESANMI, and S. A. ALIYU. "NOVEL APPLICATION OF TRICHILIA HEUDELOTII PLANCH: EFFECTIVENESS OF DIFFERENT POLARITY OF ORGANIC SOLVENTS OF LEAF AND STEM BARK EXTRACTS ON THE CONTROL OF COWPEA BEETLE." Cercetari Agronomice in Moldova 53, no. 3 (2020): 278–96. http://dx.doi.org/10.46909/cerce-2020-024.

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Callosobruchus maculatus (cowpea beetle) is a field-to-store pest causing over 90% losses of cowpea. The search for new plant-derived crop protectant that can be explored as alternative to synthetic pesticides is urgently needed. Thus, the phytochemical screening, as well as the bioactivity of different polarity of organic solvents of leaf and stembark extracts of Trichilia heudelotii (Meliaceae), was investigated against the field-to-store insect pest Callosobruchus maculatus in laboratory bioassay. The non-polar (hexane) and polar (ethanol) extracts [0.0 (control), 0.5, 1.0 and 1.5 ml] of th
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Sani, Yulvian, Saumtira Bustami, and Aisjah Grindra. "The hepatotoxicity of Ageratum conyzoides leaf in experimental rats." Jurnal Ilmu Ternak dan Veteriner 3, no. 1 (2014): 63–70. https://doi.org/10.14334/jitv.v3i1.96.

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Five extracts were obtained from Ageratum conyzoides leaf extracted in methanol-water (4 :1). They were neutral extract (in ethyl acetate), moderately polar extract (in chloroform); basic extract (in chloroform-methanol), polar extract (in methanol), and filtrate. Three extracts were tested biologically and the moderately polar extract was found to be most toxic for female Wistar rats . While the toxicity of neutral extract was mild and other extracts were non-toxic. Therefore, the moderately polar extract was investigated for the hepatoxicity effects in the present study. Intragastric dosing
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Solomasi Zega, Tiurma, Putri Mandaoni Pakpahan, Rahmayani Siregar, Givinda Sitompul, and Saronom Silaban. "Antibacterial activity test of Simargaolgaol (Aglaonema modestum Schott ex Engl) leaves extract against Escherichia coli and Salmonella typhi bacteria." Jurnal Pendidikan Kimia 13, no. 2 (2021): 151–58. http://dx.doi.org/10.24114/jpkim.v13i2.26989.

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The Simargaolgaol (Aglaonema modestum Schott ex Engl) plant is a plant that grows wild in Barus District, Central Tapanuli, North Sumatra which is used by the community as a medicinal plant. This study aims to determine the antibacterial activity of n-hexane, ethyl acetate and ethanol extracts from Simargaolgaol leaves against Escherichia coli and Salmonella typhi bacteria. The antibacterial activity test of Simargaolgaol leaves was carried out using the disc diffusion method. The results of antibacterial activity showed that the highest inhibitory power of Simargaolgaol leaf extract was ethan
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Ardianto, Hebert, Arif Nur Muhammad Anshori, and Hamidah Hamidah. "Potensi Larvasida dari Ekstrak Daun Jeruk Bali Citrus maxima terhadap dan Aedes aegypti dan Culex quinquefasciatus." Jurnal Vektor Penyakit 12, no. 1 (2018): 19–24. http://dx.doi.org/10.22435/vektorp.v12i1.280.

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Abstract
 The used of chemical insecticides for mosquito control has caused resistance in themosquito populations. The aims of this study are to find out Lethal Concentration of non-polarextract from pomelo (Citrus maxima) leaf against mosquito larvae after 24 hoursexposure. Aedes aegypti and Culex quinquefasciatus larvae were tested in the study A.Larvicidal assay was using 20 larvae for each concentration in 100 ml solution with 5replications. The non-polar extract was tested at concentrations of 0 ppm, 500 ppm, 1375ppm, 2250 ppm, 3125 ppm, and 4000 ppm. The number of larvae mortality w
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Arif, Nur Muhammad Ansori, Puspita Supriyadi Aulia, Veronika Kartjito Maria, Rizqi Fauziah, Adrianto Hebert, and Hamidah. "Biolarvicidal Effectivities of Polar and Non-polar Extract Fraction from Kaffir Lime (Citrus hystrix) Leaf against 3rd Instar Larvae of Aedes aegypti." Journal of Biological Engineering Research and Review 2, no. 2 (2015): 14–17. https://doi.org/10.5281/zenodo.15291752.

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<strong>Abstract</strong>: Indonesia is one of the largest countries in the dengue endemic region and ranked first in ASEAN by the highest number of cases in Dengue Hemorrhagic Fever (DHF). The use of chemical agents such as larvicides causes development of resistance, health, and environmental problem. Plant extracts with larvicidal activity from plants, which are easily available in large quantities and are safe for human needed to replace the chemical larvicides. The aim of this research was to obtain polar (methanol) and nonpolar (n-hexane) extract fraction from leaves of kaffir lime (<em>
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Części książek na temat "Non-polar leaf extract"

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Gorumutchu, Dr Giri Prasad, Dr Chandra Mohan Kurmarayuni, Dr Ravi Kumar Gollapudi, Dr Sumalatha Poodari, and Dr Kurapati Swarnalatha. "SYNTHESIS AND CHARACTERIZATION OF LABLAB PURPUREUS DRIED LEAVE EXTRACTS." In Futuristic Trends in Chemical, Material Sciences & Nano Technology Volume 2 Book 12. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2023. http://dx.doi.org/10.58532/v2bs12p5ch1.

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The current study was carried out to determine the wavelengths (λmax) and frequency in Lablab purpureus (L.) (L. purpureus) leaves by using molecular spectroscopic technics (FT-IR spectroscopy and UV-Vis Spectrophotometry). A series of extracts were prepared by using solvents (polar and non-polar solvents) and Lablab purpureus dried leaves powder. The polar (double-distilled water, ethanol, and ethyl acetate) and the non-polar solvent extracts (carbon tetrachloride and hexane) were put into the FT-IR spectroscopy and UV-Vis Spectrophotometry. The FT-IR spectra give various peaks at different f
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