Gotowe bibliografie tematyczne / Ethyl acetate extract

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Gotowa bibliografia na temat „Ethyl acetate extract”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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Artykuły w czasopismach na temat "Ethyl acetate extract"

Rasyiid, Mustafid, Rendi Mahadi, Krisnanda Surya Dharma, Lindia Anggraini, Rahma Nurdiyanti, and Tri Rini Nuringtyas. "Immunomodulatory and Antioxidant Activity of Green Grass Jelly Leaf Extract (Cyclea barbata Miers.) In Vitro." Advances in Tropical Biodiversity and Environmental Sciences 2, no. 1 (2018): 10. http://dx.doi.org/10.24843/atbes.2018.v02.i01.p03.

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Green grass jelly (Cyclea barbata Miers.) is known for its benefit to human health especially in supporting body’s immune system and wellness. This research aimed to determine immunomodulatory and antioxidant activity of green grass jelly leaf extracts in vitro. Old leaves were collected as sample then dried and ground to powder. The extraction was done with sohxletation using three different solvents, chloroform, ethyl acetate, and ethanol. The immunomodulatory activity was evaluated by treating the crude extracts at concentrations of 50, 100, and 500 mg/mL on macrophages of rat in vitro. The

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Pratiwi, Liza, Achmad Fudholi, Ronny Martien, and Suwidjiyo Pramono. "Ethanol Extract, Ethyl Acetate Extract, Ethyl Acetate Fraction, and n-Heksan Fraction Mangosteen Peels (Garcinia mangostana L.) As Source of Bioactive Substance Free-Radical Scavengers." JPSCR : Journal of Pharmaceutical Science and Clinical Research 1, no. 2 (2016): 71. http://dx.doi.org/10.20961/jpscr.v1i2.1936.

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Mangosteen peels (Garcinia mangostana L.) is well known as an excellent source of antioxidative compounds. The name of mangosteen is xanthone. Antioxidant of mangosteen peels can be extracted by ethanol, etyl acetate and can be fractinated by etyl acetate and n-hexane. The aim of this research was to compare the antioxidant activity of the peel extract by ethanol and etyl acetate and fractinated by etyl acetate and n-hexane. Extract and fraction exhibited higher scavenging activity of DPPH. The purpose of this study was to compare antioxidant acti

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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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Rohman, Abdul, and Sugeng Riyanto. "Aktivitas Antioksidan Ekstrak Buah Mengkudu (Morinda citrifolia, L)." agriTECH 25, no. 3 (2017): 131. http://dx.doi.org/10.22146/agritech.13347.

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This research aimed to determine antioxidant activity of Morinda citrifolia, L fruit extracts. Morinda citrifolia, L fruit was ground, extracted by methanol, and partitioned by using chloroform and ethyl acetate to recover extracts of methanol, chloroform and ethyl acetate respectively. These extracts were diluted to various concentrations i.e. 1, 5, and 10 %, and were determined their antioxidant activities by linoleic-thiocyanate method. The result showed that extracts of Morinda citrifolia, L fruit had antioxidant activity in the order of ethyl acetate extract > chloroform extract > m

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Ahmed, F., MB Meah, and F. Yasmin. "Isolation of Phomopsis Inhibitory Fraction of Allamanda Extract Removing Gum and Other Undesirable Compounds." Journal of Environmental Science and Natural Resources 5, no. 2 (2013): 199–203. http://dx.doi.org/10.3329/jesnr.v5i2.14814.

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Allamanda leaf extracts were made by three organic solvents hexane, methanol and ethyl acetate having different polarities. Thin layer chromatography (TLC) of the refluxing extracts showed each of them contained considerable number of different compounds. By observing Rf value of these extracts it was confirmed that the compounds present in different extracts are not same and two of them (methanol and ethyl acetate) extracts were distilled to remove solvent for bioactivity test. In growth inhibition test, methanol and ethyl acetate extracts of allamanda inhibited mycelial growth of Phomopsis v

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Duletić-Laušević, Sonja N., Aradski Ana Z. Alimpić, Stoimir M. Kolarević, Branka S. Vuković-Gačić, Mariana M. Oalđe, and Petar D. Marin. "Biological activities of Cretan Salvia pomifera extracts." Botanica Serbica 42, no. 2 (2018): 209–16. https://doi.org/10.5281/zenodo.1468304.

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The polyphenolic content and biological activities of dichloromethane, chloroform, ethyl acetate, and ethanol extracts of Cretan Salvia pomifera L. (Lamiaceae) were analysed. The ethyl acetate extract showed the highest content of total phenolics and total flavonoids. The ethanol extract exhibited the highest activity in the DPPH and FRAP assays, while the dichloromethane extract had the highest activity in the ABTS test. The ethyl acetate extract showed the highest activity in the β-carotene--linoleic acid system. The antioxidant activity of extracts was positively correlated with the to

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Srikanth, Racha, Murali Krishna Thupurani, Harish Rao B., and Challa Surekha. "IN VITRO AND IN VIVO ANTIDIABETIC EFFECTS OF SALACIA OBLONGA WALL LEAF AND ROOT EXTRACTS." International Journal of Advanced Research 10, no. 03 (2022): 841–49. http://dx.doi.org/10.21474/ijar01/14459.

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The present study was framed out to evaluate the antidiabetic effects of S. oblonga Wall leaf and root ethyl acetate and toluene extracts in vitro and in vivo. The root ethyl acetate extract found significant inhibition of alpha amylase and alpha glucosidase enzyme functions in vitro. The in vivo studies are carried out according to the guide line of CPCSEA and IAEC. The acute toxicity test of the extracts resulted in the no effect on the animals. The ethyl acetate extract of root showed the increase in body weight of animals at the end of the experiment. The blood glucose levels of diabetic r

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Ali, Wassen, and Mohammed R.Annon. "Biological Effective of organic solvent extracts of Mirabilis jalapa Leaves in the Non-cumulative for mortality of Immature stages Culex quinquefasciatus Say( Diptera : Culicidae )." Al-Qadisiyah Journal Of Pure Science 25, no. 1 (2020): 1–6. http://dx.doi.org/10.29350/jops.2020.25.1.1065.

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The present research evaluated the efficacy of organic solvent extracts (hexane, ethyl acetate, ethyl alcohol) separately using ppm (0,100,250, 500,1500, 1000, 2000) concentrations of Mirabilis jalapa leaves in the non-cumulative moetality of immature stages of Culex quinquefaciatus then estimate LC50 and LC90 by probit analysis. The hexane extract of the leaves M. jalapa of plant was the most affected in the non-cumulative mortality from that of ethyl acetate and ethyl alcohol. in the non-cumulative mortality of the immature stage . Where LC50 for egg mortality was ppm

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Wang, Jing, Jian Li, and Shu Jun Li. "Components of Cunninghamia lanceolata Heartwood Extracts." Materials Science Forum 685 (June 2011): 188–94. http://dx.doi.org/10.4028/www.scientific.net/msf.685.188.

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China-fir (Cunninghamia lanceolata) has a reputation for producing naturally durable heartwood. This species is native in China and has been extensive planted there. Mainly, extractives are responsible for the wood resistance to decay fungi. Compared with the number of studies on China fir focused only on essential oil, studies on other China fir wood extracts is few. In this report, different Cunninghamia lanceolata heartwood extracts were studied. Ground wood was sequentially extracted by solvents with different polarities, hexane, ethyl acetate and methanol. The components of the extracts w

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Kumar, T., A. Sahu, and V. Jain. "IN VITRO SCREENING OF LANNEA COROMANDELICA FOR ANTIFILARIAL ACTIVITY ON CATTLE FILARIAL PARASITE SETARIA CERVI." INDIAN DRUGS 51, no. 08 (2014): 28–34. http://dx.doi.org/10.53879/id.51.08.10112.

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The current study was aimed to investigate the antifilarial activity of aqueous and ethyl acetate extracts of the leaves of Lannea coromandelica. Both extracts were screened for their total flavonoid content chromatographically. The total amount of flavonoid present in ethyl acetate is much greater than in aqueous extract. Aqueous extract produced initial stimulation effect in whole worm followed by reversible paralysis, whereas on the nerve muscle preparation, the effect was depressant. In the same manner ethyl acetate extract produces irreversible paralysis. The concentrations required to in

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Rozprawy doktorskie na temat "Ethyl acetate extract"

Okeleye, Benjamin Ifeoluwa. "Studies on the antimicrobial, antioxidant and antiproliferative potential of the ethyl acetate extract and compounds of Peltophorum africanum." Thesis, University of Fort Hare, 2014. http://hdl.handle.net/10353/d1016165.

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Cells are constantly exposed to a variety of oxidizing agents, some of which are necessary for life. Oxidants produced in excess can cause an imbalance, leading to oxidative stress, especially in chronic bacterial, viral, and parasitic infections. This can result to damage of biomolecules such as lipids, proteins, and DNA, hence, an increased risk for cancer. Plants have a long history of use in the treatment of cancer. Plant secondary metabolites have proved to be an excellent reservoir of new medical compounds. Fruits, vegetables, and whole grains contain a wide variety of antioxidant phytoc

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Aragão, Danielle Maria de Oliveira. "Cecropia pachystachya Trécul como adjuvante no tratamento do diabetes melito." Universidade Federal de Juiz de Fora (UFJF), 2015. https://repositorio.ufjf.br/jspui/handle/ufjf/4276.

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Submitted by isabela.moljf@hotmail.com (isabela.moljf@hotmail.com) on 2017-04-27T15:30:59Z No. of bitstreams: 1 daniellemariadeoliveiraaragao.pdf: 4293901 bytes, checksum: 9fe0e48b323213abc9a30b33ba1f90db (MD5) Approved for entry into archive by Adriana Oliveira (adriana.oliveira@ufjf.edu.br) on 2017-05-12T15:50:14Z (GMT) No. of bitstreams: 1 daniellemariadeoliveiraaragao.pdf: 4293901 bytes, checksum: 9fe0e48b323213abc9a30b33ba1f90db (MD5) Made available in DSpace on 2017-05-12T15:50:14Z (GMT). No. of bitstreams: 1 daniellemariadeoliveiraaragao.pdf: 4293901 bytes, checksum: 9fe0e48b3

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Makhaba, Masixole. "Phytochemical studies of extracts from Aloe succotrina." University of the Western Cape, 2017. http://hdl.handle.net/11394/6457.

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Magister Scientiae - MSc (Chemistry) Global climate change and geographical differences are two major parameters known to have, either, direct or indirect influence on the production of secondary metabolites in plants, which in-turn may affect the quality and/or quantity of the overall metabolites. The primary purpose of this thesis was to evaluate the phytochemistry of the whole leaf of Aloe succotrina Lam. spp. - a South African native plant - through a chromatographic spectroscopic approach-against available data accumulated for the cultivated population. Preliminary screening of the cru

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Cardoso, Cássia Regina Primila [UNESP]. "Atividade mutagênica e ativadora da resposta imune celular induzidas por Byrsonima crassa Niedenzu e Byrsonima intermedia A.Juss. (Malpighiaceae)." Universidade Estadual Paulista (UNESP), 2006. http://hdl.handle.net/11449/86621.

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Made available in DSpace on 2014-06-11T19:22:21Z (GMT). No. of bitstreams: 0 Previous issue date: 2006-02-21Bitstream added on 2014-06-13T18:08:04Z : No. of bitstreams: 1 cardoso_crp_me_arafcf.pdf: 859101 bytes, checksum: dc8d0d66975b1493a8b7a5a2830d3074 (MD5) Universidade Estadual Paulista (UNESP) Considerando a pesquisa de novas moléculas farmacologicamente ativas, orientada pelo uso tradicional das plantas com finalidade terapêutica, o presente trabalho avaliou os efeitos genotóxicos e de ativação do sistema imunológico em duas espécies de plantas do gênero Byrsonima: Byrsonima cras

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Fang, Yi-Zao, and 方苡藻. "Bioactive Component Analysis of Ethyl Acetate Extract from Grifola frondosa." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/86949089297346398188.

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碩士 亞洲大學 生物科技學系碩士班 99 The aim of this study was to analyze bioactivities of components extracted from Grifola frondosa that was grown in environmental controlled cultivation conditions. Ultrasonic extraction was used to extract ground powder from dry fruit body of Grifola frondosa by n-hexane, ethyl acetate and 50% ethanol. The extraction efficiencies of various organic solvents were 1.60 ± 0.36%, 3.10 ± 0.17% and 22.90 ± 0.40% for n-hexane, ethyl acetate and 50% ethanol respectively. DPPH radical scavenging activity, reducing power and ferrous ion chelating activity assays were use

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Chang, Chih-Shiang, and 張智翔. "Study on the hypoglycemic effect of the ethyl acetate extract of Curcubita moschata fruit in animal models." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/43652146121745893153.

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碩士 國立屏東科技大學 生物科技系所 104 The fruit of Cucurbita moschata has been confirmed to contain hypoglycemic components, and which can be further concentrated by partitioning between ethyl acetate (EA) and water to distribute them to the EA layer. The purpose of this study is to investigate the hypoglycaemic effect of the EA extract in diabetic animal models. To establish type 2 diabetic models, mice were fed with high-fat diet to induce insulin resistance, followed by injection of streptozotocin (stz) to destroy the pancreatic cell. The mice were then fed with the EA extract of pumpkin for

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Lee, Chung-Ching, та 李重慶. "Investigation of α-glucosidase inhibitory compounds in ethyl acetate fraction of methanol extract from water extract residues of Chinese olive (Canarium album L.)". Thesis, 2019. http://ndltd.ncl.edu.tw/handle/7h9j99.

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碩士 國立臺灣大學 食品科技研究所 107 α-glucosidase inhibitor, one of the interference used for diabetes treatment, can inhibit the activity of α-glucosidase to decompose starch, oligosaccharide or disaccharide into monosaccharides, thereby delaying the absorption of sugar and stabilizing postprandial blood glucose. Various α-glucosidase inhibitors in nature exhibit the ability for modulating blood sugar. Our previous studies display that ethyl acetate fraction of methanol extract from water extract residues of Chinese olive (Canarium album (Lour.) Raeusch.) (COE) has anti-inflammatory effect on m

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Hsu, Chih-Ying, and 徐志穎. "Effects of ethyl acetate fraction from adlay bran ethanolic extract on the growth of human breast cancer cell." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/41741742962927111035.

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碩士 國立臺灣大學 食品科技研究所 98 In Taiwan, breast cancer is one of the most common malignancies in women. Epidemiological studies pointed out that female exposed to estrogen abnormally increased the incidence of breast cancer. However, phytoestrogen, a plant chemical with known estrogenic effects, can lower breast cancer risk. Phytosterols, a kind of phytoestrogens, including β-sitosterol and campesterol have anticancer and regulate the ability for estrogen expression. Adlay, an annual crop, has been reported with many health effect including anticancer. Previous researches indicated that man

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Huang, Chieh-Yu, and 黃潔妤. "Ethyl Acetate Fraction of Longan (Dimocarpus longan Lour.) Flower Water Extract Attenuates Metabolic Syndrome in Fructose-Fed Rats." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/45768511139497881745.

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碩士 國立臺灣大學 食品科技研究所 97 Metabolic syndrome becomes an important issue recently. It has strong correlation with several chronic disease, for instance, diabetes and cardiovascular disease. The risk factors of metabolic syndrome contain abdominal obesity, hyperglycemia, dyslipidemia and hypertension. Previous study in our laboratory has shown that Longan (Dimocarpus Longan Lour.) flower had strong antioxidant activity in vitro. Furthermore, we also have demonstrated that Longan flower water extract (LFWE) can improve the symptoms of the metabolic syndrome in animal model. Therefore, the

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Kuo, Tse-Wei, and 郭澤瑋. "Preliminary study on the expression of peroxisome proliferator response element by ethyl acetate extract of algae and Echinodermata Crinoidea." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/42823815998055449385.

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碩士 國立中山大學 海洋生物研究所 97 PPAR (peroxisome proliferator activated receptors) is a transcription factor that regulates activity and transcription of enzymes of lipid metabolism and thought PPAR-PPRE (peroxisome proliferator activated receptors – peroxisome prolierator response element) interaction. Cell toxicity was also tested by (3-(4,5-dimethylthiaz ol-2-yl)-2,5-diphenyltetrazolium bromide (MTT assay)). The effects of ethyl acetate (EA) extracts of algae and Echinodermata sp. on PPRE-luciferase activity in Huh-7 cell and cell cytotoxicity were conducted. EA extracts of Gracilaria coro

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Części książek na temat "Ethyl acetate extract"

Pattaulavar, Veilumuthu, Sasikumar Sundarasan, and John Godwin Christopher. "Isolation and Identification of Squalene from the Ethyl Acetate Extract of Streptomyces sp. VITGV156 (MCC 4965)." In Protocols of Actinomycetes. CRC Press, 2024. http://dx.doi.org/10.1201/9781003398400-29.

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Wei, Shuoguo, Hao Shu, Nianwu Hu, et al. "Effects of Ethyl Acetate, Phytic Acid, and Grape Seed Extract on the Aging of Tobacco Pyrolysis Oil." In Atlantis Highlights in Engineering. Atlantis Press International BV, 2025. https://doi.org/10.2991/978-94-6463-708-3_20.

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Latief, Madyawati, Sutrisno, Ellyn Dasrinal, Wulan Safitri, and Indra Lesmana Tarigan. "Immunomodulator Activity of 5,7-dihydroxy isoflavones and β-Sitosterol from Peronema canescens Jack Leaves Methanol and Ethyl Acetate Extract." In Proceedings of the 4th Green Development International Conference (GDIC 2022). Atlantis Press SARL, 2023. http://dx.doi.org/10.2991/978-2-38476-110-4_57.

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Ayembilla, Jacob Apibilla, Phyllis Naa Yarley Otu, Eunice A. Dotse, et al. "Antioxidant and Anticancer Potential of Natural Cocoa Extract." In Technological Innovation Driving Sustainable Entrepreneurial Growth in Developing Nations. IGI Global, 2023. http://dx.doi.org/10.4018/978-1-6684-9843-9.ch007.

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The aim of this study was to investigate antioxidant and anticancer potentials of natural cocoa extracts. Antioxidant properties of the extracts were evaluated by DPPH assay, total phenolic content by Folin-Ciocalteau and reduced glutathione content by O-phthalaldehyde assays. Antiproliferative activity was also evaluated on leukaemia and prostate cancer cell lines using MTT assay. The hydroethanolic extracts of cocoa roots and beans and aqueous cocoa leaves showed high total antioxidant activities with the root extract having the strongest scavenging effect on DPPH and the highest total pheno

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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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Salhi, Amin, Chahid Zannagui, Abdellah Elyoussfi, et al. "Exploring the Antioxidant Activity of Selected Aromatic and Medicinal Plants." In Medicinal Plants - Harnessing the Healing Power of Plants. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.1005878.

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This study explores the in vitro antioxidant activity of three plants: Pistacia lentiscus, Mentha pulegium, and Tetraclinis articulata. Initially, we quantified the total polyphenol, flavonoid, and flavonol content in each extract. Subsequently, the antioxidant potential was assessed using DPPH radical scavenging, ferric reducing antioxidant power (FRAP), and β-carotene bleaching assays. Our findings revealed that the crude extracts exhibited significant anti-radical and antioxidant activities, correlating with their polyphenol and flavonoid contents. A linear relationship was established, wit

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Sánchez-Martínez, Víctor Alberto, Sandra Jazmín Figueroa-Ramírez, Olena Benavides, and Juan Manuel Sierra Grajeda. "Spectroscopic and phytochemical characterization of green corrosion inhibitors from leaves of the Morinda citrifolia plant based on acetone and ethyl acetate." In Sustainable Materials Engineering. ECORFAN, 2024. https://doi.org/10.35429/h.2024.14.1.8.

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Metals suffer corrosion due to the presence of different corrosive media. One way to prevent corrosion is to develop and use corrosion inhibitors that are effective and environmentally friendly. Plant extracts are good candidates because they do not contain toxic substances. In the present work, extracts of Morinda citrifolia leaves were obtained and characterized in acetone and ethyl acetate. The extracts were obtained by maceration for 72 hours. Subsequently, they were characterized by spectroscopic and phytochemical techniques. The spectroscopic techniques showed the presence of anthocyanin

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Marupati, Siddhartha. "MUNTINGIA CALABURA – ANTIBACTERIAL AND ANTIFUNGAL STUDY OF ISOLATED PHARMACEUTICALLY ACTIVE COMPOUNDS." In Futuristic Trends in Chemical Material Sciences & Nano Technology Volume 3 Book 13. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3becs13p1ch7.

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The Isolated Muntingia calabura's active fractions, which demonstrated greater antibacterial activity. Muntingia calabura stem bark extracts in methanol and ethyl acetate had the strongest antibacterial activity of all the extracts. Using silica gel column chromatography (100–200), bioassay guided fractionation of methanol and ethyl acetate extracts obtained from Muntingia calabura hard wood stem was carried out to identify the active fractions and remove the non-active fractions. Different ratios of hexane and ethyl acetate were utilized as eluent.

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Ramos, Mateus Lima, Isabela Mota Ramos, Jonas Alves Vieira, et al. "Evaluation of the biological activity of the medicinal plant pata-de-vaca (Bauhinia forficata L.) against the bacterium Escherichia coli, using a flow injection analysis system." In CONNECTING EXPERTISE MULTIDISCIPLINARY DEVELOPMENT FOR THE FUTURE. Seven Editora, 2023. http://dx.doi.org/10.56238/connexpemultidisdevolpfut-074.

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Plants for medicinal purposes are widely used worldwide for the treatment, cure and prevention of diseases. Among the numerous plant species of medicinal interest, the plants of the genus Bauhinia are cited a lot, which are normally found in the tropical areas of the planet, and have some important pharmacological activities, for example, hypoglycemic. The objectives of this work were: to evaluate the biological activity of the medicinal plant pata-de-vaca (Bauhinia forficata L.), against the bacterium Escherichia Coli using a flow injection analysis system, coupled with a spectrophotometer, a

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Jeevanandham, Somasundaram. "Anti-diarrhoeal Activity of Ethyl Acetate Extract of Indigofera purpurea Aerial Part, by Using Castor Oil-induced Diarrhoeal Model in Mice." In Current Overview on Pharmaceutical Science Vol. 8. B P International (a part of SCIENCEDOMAIN International), 2023. http://dx.doi.org/10.9734/bpi/cops/v8/4128c.

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Streszczenia konferencji na temat "Ethyl acetate extract"

Gupta, Aayush, Kartavya Maurya, and Nitin Kaistha. "Robust Flowsheet Synthesis for Ethyl Acetate, Methanol and Water Separation." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.198495.

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This work presents a robust flowsheet design for the recovery and purification of waste solvent streams containing ethyl acetate (EtAc), methanol (MeOH), and water. Separation of this mixture is challenging due to the presence of two azeotropes: a homogeneous EtAc-MeOH azeotrope and a heterogeneous EtAc-water azeotrope. These azeotropes create a distillation boundary that divides the ternary composition space into two distinct regions, making separation via conventional distillation difficult. Additionally, the wide variability in waste solvent compositions requires a versatile design, as flow

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Mills, George. "The Testing of Anti-Corrosion Tank Linings for Marine Tankers." In CORROSION 1996. NACE International, 1996. https://doi.org/10.5006/c1996-96519.

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Abstract Modern anti-corrosion tank coatings are complex polymeric systems which are expected to provide corrosion protection after portage of many types of strong chemical and solvent cargos. Longevity of the applied coaling system is a function of the characteristics and quality of the formulated coating as well as the physical application. A tank coating testing program has been developed to evaluate specific failure modes with troublesome representative solvents frequently traded in large multi-tank marine vessels. Methanol, benzene, acetone, ethylene dichloride, vinyl and ethyl acetate, m

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Seershika, A., and P. Seedevi. "Antioxidant activity of ethyl acetate extract from gracilaria edulis." In 2ND INTERNATIONAL INTERDISCIPLINARY SCIENTIFIC CONFERENCE ON GREEN ENERGY, ENVIRONMENTAL AND RENEWABLE ENERGY, ADVANCED MATERIALS, AND SUSTAINABLE DEVELOPMENT: ICGRMSD24. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0233366.

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Djelić, Gorica, Vesna Veličković, and Milica Pavlović. "SESELI RIGIDUM WALDST. & KIT: SECONDARY METABOLITES AND ANTIOXIDANT ACTIVITY OF METHANOL, ETHYL ACETATE AND ACETONE EXTRACTS." In 2nd International Symposium on Biotechnology. University of Kragujevac, Faculty of Agronomy, 2024. http://dx.doi.org/10.46793/sbt29.34gdj.

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Representatives of the Seseli genus are recognized for their biological activities. The objective of this study was to analyze the phenolic and flavonoid content, along with the antioxidant effects, of methanol, ethyl acetate, and acetone extracts obtained from the roots, leaves, stems, and fruits of S. rigidum. Through spectrophotometric measurements of phenols and flavonoids, the results revealed that the polar (methanol) solvent extract from the leaves exhibited the highest concentrations of phenols (98.66 ± 2.64 mg GA/g) and flavonoids (20.74 ± 0.55 mg RU/g), surpassing those obtained from

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Silitonga, Hendrika Andriana, Gontar Alamsyah Siregar, Rosita Juwita Sembiring, and Marline Nainggolan. "Effect of Chayote (Sechium Edule Jacq. Swartz) Extract on Level of Interleukin-8 in Wistar Rats with Aspirin-Induced Gastritis." In The 7th International Conference on Public Health 2020. Masters Program in Public Health, Universitas Sebelas Maret, 2020. http://dx.doi.org/10.26911/the7thicph.05.35.

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ABSTRACT Background: Recent studies showed that Interleukin-8 (IL-8), activated cytokine immune response which plays an important role in the development of acute and chronic gastritis. Harmless anti-inflammatory therapeutic alternatives have been proposed, for example, the consumption of Sechium Edule Jacq. Swartz (chayote). Antioxidant (flavonoid) and cell regeneration (alkaloid) agents were found in chayote. This study aimed to determine the effect of chayote Sechium Edule Jacq. Swartz extracts on the level of IL-8 in Wistar rats with aspirin- induced gastritis. Subjects and Method: This wa

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Pratiwi, Ulfa, Muharni Muharni, Ferlinahayati Ferlinahayati, and Heni Yohandini. "Diterpenoid compounds from ethyl acetate extract of Sungkai (Peronema canescens) leaves." In PROCEEDINGS OF THE 9TH INTERNATIONAL SYMPOSIUM ON INNOVATIVE BIOPRODUCTION INDONESIA ON BIOTECHNOLOGY AND BIOENGINEERING 2022: Strengthening Bioeconomy through Applied Biotechnology, Bioengineering, and Biodiversity. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0171646.

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Asmilia, Nuzul, Teuku Armansyah, Herrialfian Herrialfian, et al. "Anti-Inflammation Activity of Ethyl Acetate Extract of Malacca Leaves (Phyllanthus emblica)." In 2nd International Conference on Veterinary, Animal, and Environmental Sciences (ICVAES 2020). Atlantis Press, 2021. http://dx.doi.org/10.2991/absr.k.210420.018.

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Cong, Xingshun, Min Li, Hangyu Gao, LingLing Zhang, and Niancun Ji. "Thermal Dissolution of Shengli Lignite in Isometric Methanol and Ethyl Acetate Mixed Solvent - Molecular Composition of the Extract and the Role of Ethyl Acetate." In 2015 2nd International Conference on Machinery, Materials Engineering, Chemical Engineering and Biotechnology. Atlantis Press, 2016. http://dx.doi.org/10.2991/mmeceb-15.2016.87.

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Parhusip, Adolf J. N., Veliana Angel, Nuri A. Anugrahati, Johan Honga, and Wenny S. L. Sinaga. "Ethyl Acetate Extract of Red Melinjo (Gnetum Gnemon L.) Peel as Antibacterial Compound." In 5th International Conference on Food, Agriculture and Natural Resources (FANRes 2019). Atlantis Press, 2020. http://dx.doi.org/10.2991/aer.k.200325.037.

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Riris, Ida, Endang Gultom, Lazuardi Lazuardi, Albinus Silalahi, and Dewi Purba. "Antibacterial Activity of Extract Ethyl Acetate and Ethanol of Raru (Vatica pauciflora Blume)." In Proceedings of The 5th Annual International Seminar on Trends in Science and Science Education, AISTSSE 2018, 18-19 October 2018, Medan, Indonesia. EAI, 2019. http://dx.doi.org/10.4108/eai.18-10-2018.2287185.

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Raporty organizacyjne na temat "Ethyl acetate extract"

Chutimaworapan, Suchada, Chaiyo Chaichantippayuth, and Areerat Laopaksa. Formulation of pharmaceutical products of Garcinia mangostana Linn. extracts. Chulalongkorn University, 2006. https://doi.org/10.58837/chula.res.2006.32.

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Part I: The purpose of the investigation was to develop the extraction process that was simple, practical and giving high yield. The maceration of dried powder of Garcinia mangostana fruit husk with ethyl acetate gave yellow crystalline powder of mangostin. The yield was calculated as 7.47%. The identification of the Garcinia mangostanahusk extract was carried out by thin-layer chromatography (TLC) and differential scanning calorimetry. The TLC of mangostin was done by using the alumina sheet and ethyl acetate: hexane (3:1) as mobile phase. The Rf value as compared with standard mangostin was

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