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Artykuły w czasopismach na temat „Water extracts”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Ayık, Burak, Buğrahan Emsen, and Muhammet Doğan. "Antioxidant profiling of Anethum graveolens: Insights into phenolic and flavonoid-rich extracts." Anatolian Journal of Botany 9, no. 1 (2025): 43–50. https://doi.org/10.30616/ajb.1605258.

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This study investigates the total phenolic and flavonoid contents, antioxidant activity, and metal chelation capacity of acetone and water extracts from Anethum graveolens L.. The total phenolic content of the acetone extract was significantly higher (173.49 ± 4.91 µg GAE/mg extract) than the water extract (98.52 ± 3.62 µg GAE/mg extract). Similarly, the flavonoid content of the acetone extract (72.81 ± 1.15 µg QE/mg extract) exceeded that of the water extract (27.69 ± 1.72 µg QE/mg extract). Concentration-dependent responses revealed higher antioxidant activity for the acetone extract across

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Maduelosi, N. J., S. Onunwa, and A. Ogbuu. "Investigation of the Emulsification and Demulsification Abilities of Gmelina Arborea Leaves Extract in Oil-In-Water Emulsions." Chemistry Research and Practice 1, no. 2 (2024): 01–07. https://doi.org/10.64030/3065-906x.01.02.03.

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The emulsifying and demulsifying abilities of ethanol, n-hexane and distilled water extracts of Gmelina arborea leaves in oil-in-water phase was investigated. Quantitative and qualitative phytochemical analyses of the extracts were done by GCMS method. The results obtained showed the presence of many bioactive compounds like saponins, alkaloids, flavonoids, tanins etc. The emulsification and demulsification tests were carried out at different volume concentrations of the extract and different time, using total volume of water separated as the yard stick. The results obtained revealed that the

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Zhurinov, M., A. Miftakhova, A. Shustov, V. Keyer, and E. Solodova. "INHIBITORY ACTIVITY OF ARTEMISIA ANNUA L. EXTRACTS AGAINST SARS-COV-2 CORONAVIRUS." Eurasian Journal of Applied Biotechnology, no. 3 (September 16, 2022): 25–31. http://dx.doi.org/10.11134/btp.3.2022.3.

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The article describes preparing extracts of Artemisia annua L. and the use of the extracts to compare the virus-inhibiting activity against the coronavirus SARS-CoV-2. The extracts were prepared using hot water, water-alcohol mixture and butanol. The extracts were tested in screening-format tests on Vero E6 cells to measure the cytotoxicity and antiviral activity. Values of 50% inhibitory concentration (IC50) which measure the cytotoxicity were as follows: for the hot-water extract - 1587 µg/ml, for butanol extract - 713 µg/ml, and for water-alcohol extract >2000 µg/ml. The quite high

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4

Yang, Joan-Hwa, Shu-Yao Tsai, Ching-Mei Han, Chun-Chien Shih, and Jeng-Leun Mau. "Antioxidant Properties of Glossogyne tenuifolia." American Journal of Chinese Medicine 34, no. 04 (2006): 707–20. http://dx.doi.org/10.1142/s0192415x06004223.

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Glossogyne tenuifolia (Labill) Cass. (Compositae) is a special medicinal plant in the Pescadores Islands. Ethanolic, cold and hot water extracts were prepared from the dried herb and their antioxidant properties and components were studied. Ascorbic acid, α-tocopherol, butylated hydroxyanisole, citric and ethylenediaminetetraacetic acids were used in assays for comparison. With regard to EC50 values in antioxidant activity, ethanolic and hot water extracts (0.08 and 0.09 mg/ml) were much more effective than the cold water extract (0.76 mg/ml). At 1.0 mg/ml, reducing capacities were 1.57, 0.31

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Lestari, I. C., D. Lindarto, S. Ilyas, et al. "Characterization and Antioxidant Activity of Phaleria macrocarpa (Scheff.) Boerl Leaf Ethanol Extract." IOP Conference Series: Earth and Environmental Science 1188, no. 1 (2023): 012046. http://dx.doi.org/10.1088/1755-1315/1188/1/012046.

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Abstract The leaves of Phaleria macrocarpa (Scheff.) Boerl is traditionally used to treat various diseases. Phaleria macrocarpa leaves contain flavonoids, alkaloids, tannins, glycosides, saponins, and steroids. This study aimed to identify the simplicia and extract, as well as the ethanol extract’s antioxidant activity, from Phaleria macrocarpa leaves. The extract was quantitatively tested using UV-Visible Spectrophotometry for its total phenol and flavonoid content. The DPPH IC50 test determined the antioxidant capacity. The simplicia characterization revealed a water content of 6.68 %, a wat

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Hossain, Mohammad Lokman, Md Nazim Uddin, Tania Nowreen Orchy, Shamsun Naher, Mohajira Begum, and Md Zahurul Haque. "Investigation on Pomegranate (Punica granatum) Skin as a Potentially Effective Natural Food Preservative." International Journal of Food Science 2023 (December 4, 2023): 1–9. http://dx.doi.org/10.1155/2023/1958395.

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The study is aimed at estimating the possibility of using pomegranate peel extracts as a natural food preservative which was investigated in fish samples. All the extracts (cold water, hot water, and 70% methanol) have been tested against five bacteria (Escherichia coli, Staphylococcus aureus, Salmonella Typhi, Bacillus megaterium, and Bacillus subtilis) using the agar disc diffusion method. Hot water extract showed the best result against B. megaterium. The zone of inhibition (ZOI) for hot water extract as crude was taken 20 μl/disc was 25 mm. Total antioxidant activity and total phenolic con

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7

Ji, Hong Fang, Ling Wen Zhang, Hai Yan Zhang, Guang Lei Li, and Ming Duo Yang. "Antioxidant Activities of Extracts from Pholiota Nameko." Advanced Materials Research 343-344 (September 2011): 457–62. http://dx.doi.org/10.4028/www.scientific.net/amr.343-344.457.

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Holiota nameko is an edible mushroom widely cultivated in the northeast of China. The cold water, hot water and ethanol extracts were prepared and their antioxidant properties were studied. At 2 mg/mL, the cold water extract showed a high reducing power of 1.502, whereas those of hot water and ethanol extracts were 0.868 and 0.159. With regard to the scavenging ability on DPPH free radicals, extracts were effective in the order: cold water > hot water > ethanol extracts. EC50 values for chelating ability on ferrous ions for cold water, hot water, and ethanol extracts were 1.461, 0.663, a

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8

Didar, Zohreh. "Comparative in vitro Study of the biological activity and chemical composition extracts of Helicteres isora L. obtained by water and subcritical water extraction." Food Quality and Safety 4, no. 2 (2019): 101–6. http://dx.doi.org/10.1093/fqsafe/fyz038.

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Abstract Objectives Subcritical water extraction technique is considered as an environmentally extraction technique. The aim of this study was to compare the different characteristics of water extract and subcritical water extract of Helicteres isora L. Materials and Methods Water extraction was performed under the following conditions: 25°C, 24 h, and solid-to-water ratio 1:30. Subcritical water extract was carried out under specific conditions (pressure = 10 bar, temperature = 160°C, solid-to-water ratio = 1: 30, time = 30 min). Chemical composition analysis was performed using GC–Mass chrom

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9

Ji, Hong Fang, Ling Wen Zhang, Hai Yan Zhang, Ming Duo Yang, and Yuan Zhang. "Antioxidant Properties of Extracts from Chroogomphis rutillus." Advanced Materials Research 183-185 (January 2011): 40–44. http://dx.doi.org/10.4028/www.scientific.net/amr.183-185.40.

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Chroogomphis rutillus is an ectomycorrhizal edible mushroom available in China. The ethanolic, cold water and hot water extracts were prepared and their antioxidant properties studied. At 4 mg/mL, the ethanolic extract showed a high reducing power of 1.561, whereas those of cold water and hot water extracts were 1.161 and 0.808. With regard to the scavenging ability on 1,1-diphenyl-2-picrylhydrazyl radicals, extracts were effective in the order: ethanolic > cold water > hot water extracts. EC50values for chelating ability on ferrous ions for ethanolic, cold water and hot water extracts w

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10

Kaur, Amandeep, S. K. Sohal, Rajbir Singh, and Saroj Arora. "DEVELOPMENT INHIBITORY EFFECT OF ACACIA AURICULIFORMIS EXTRACTS ON BACTROCERA CUCURBITAE (COQUILLETT) (DIPTERA:TEPHRITIDAE)." Journal of Biopesticides 03, no. 02 (2010): 499–504. http://dx.doi.org/10.57182/jbiopestic.3.2.499-504.

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ABSTRACT The effect of acetone and water extracts of Acacia auriculiformis A. Cunn. bark was investigated on biology of Bactrocera cucurbitae (Coquillett). The eggs, larvae and adults were treated with different concentrations (1, 5, 25, 125 and 625 ppm) of the bark extracts. Both the extracts significantly prolonged the larval period and total developmental period. Percentage pupation, percentage emergence, oviposition and egg hatching decreased in a dose dependent manner. The LC50 values were lower for the acetone extract as compared to water extract indicating that acetone extract was more

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11

Prasajak, Patcharee, Peeraya Surisura, Jarawee Aunsanthia, Yatikran Khokthian, Pakkawat Dechewa, and Wichien Sriwichai. "Effect of Emblica officinalis fruit extracts on the storage quality of pork meatballs under refrigerated storage." International Food Research Journal 30, no. 2 (2023): 398–411. http://dx.doi.org/10.47836/ifrj.30.2.11.

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The present work aimed to evaluate the effects of the supplementation of E. officinalis fruit extracts on the biochemical properties, antioxidant capacities, antimicrobial activities, and sensory attributes of pork meatballs under refrigerated storage at 4°C for 18 days. The meatball samples were divided into eight formulations including control, 0.02% butylated hydroxytoluene (BHT), 0.2% distilled water and ethanolic extracts, 0.4% distilled water and ethanolic extracts, and 0.8% distilled water and ethanolic extracts. Aqueous fruit extract exhibited higher antioxidant activity ranging from 3

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12

Trifunski, Svetlana, and Dorina Ardelean. "Determination of the antioxidant activity of Ficus carica aqueous extract." Zbornik Matice srpske za prirodne nauke, no. 122 (2012): 25–31. http://dx.doi.org/10.2298/zmspn1222025t.

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The aim of this study was to examine the antioxidant activity of water extracts from fig leaf. Water extracts were prepared according to traditional medicine. The antioxidant activity of the extracts was spectrophotometrically determined. Using the potassium permanganate colorimetric method it was found that the water extract that was maintained at the refrigerator had lower antioxidant activity than extract that was maintained at the room temperature.

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13

OMOGBAI, B. A., and A. IDEHEN. "BIOACTIVITY AND PHYTOCHEMICAL ANALYSIS OF THE MUSHROOM Rigidoporus lignosus (Klot) IMAZEKI." Nigerian Journal of Life Sciences (ISSN: 2276-7029) 5, no. 1 (2022): 38–45. http://dx.doi.org/10.52417/njls.v5i1.206.

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The antagonistic effect of hot and cold water extracts of Rigidoporus lignosus was investigated in-vitro against some pathogenic microorganisms: Staphylococcus aureus , Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae and Candida albicans. The extracts showed a wide spectrum of antimicrobial activity. The minimum inhibitory concentration (MIC) of the hot and cold water extracts against Staphylococcus aureus were 16g/150ml and 20g/150ml respectively. For Candida albicans, the MIC of the hot and cold water extracts were 16g/150ml and 14g/150ml respectively.The MIC of E. coli was 2

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14

Suciati, Erlinda R. Laili, Wiwied Ekasari, Kuatman, Nitra Nuengchamnong, and Nungruthai Suphrom. "Chemical Profiles and In Vitro Cholinesterase Inhibitory Activities of the Flower Extracts of Cassia spectabilis." Advances in Pharmacological and Pharmaceutical Sciences 2023 (February 28, 2023): 1–9. http://dx.doi.org/10.1155/2023/6066601.

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Background. Cassia spectabilis is a flowering plant containing various metabolites that provide potential for pharmacological activities. The current study aimed to investigate the ethanolic and water extracts of C. spectabilis as cholinesterase inhibitor as one of the target treatments for Alzheimer’s disease. The chemical composition of the extracts was also studied to determine which components are responsible for the bioactivity. Methods. The cholinesterase inhibitory activity assay was carried out by the modified Ellman’s method against acetylcholinesterase (AChE) and butyrylcholinesteras

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15

Ji, Hong Fang, Ling Wen Zhang, Hai Yan Zhang, Ming Duo Yang, and Jian Li. "Antioxidant Properties of Various Extracts from Laoying Tea (Litsea coreana L.)." Advanced Materials Research 183-185 (January 2011): 45–49. http://dx.doi.org/10.4028/www.scientific.net/amr.183-185.45.

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Laoying Tea, leaves of Litsea coreana L., is conventionally consumed as healthy tea beverage in southern China for hundreds of years. The ethanolic, cold water and hot water extracts were prepared and their antioxidant properties studied. At 160 µg/mL, the cold water extract showed a high reducing power of 1.056. With regard to the scavenging ability on 1,1-diphenyl-2-picrylhydrazyl radicals, extracts were effective in the order: ethanolic > cold water > hot water extracts. EC50values for chelating ability on ferrous ions for ethanolic, cold water and hot water extracts were 10.23, 0.85

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Xiong, Yong, Chun Yan Zhao, Yi Jian Chen, and Wan Song Yue. "Resource Utilization Residue of Pleurotus ostreatus." Advanced Materials Research 807-809 (September 2013): 2048–53. http://dx.doi.org/10.4028/www.scientific.net/amr.807-809.2048.

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The allelopathy of spent substrate extracts including water extract and ethanol extract ofPleurotus ostreatuson the mycelium growth of six edible fungi, i.e.Flammulina velutipes,Ganoderma lucidum Karst,Pleurotus ostreatusandCordyceps (three species), were investigated using Petri dishes approach. The results indicated that the spent substrate extracts have different effects on their mycelium growth. The mycelium ofFlammulina velutipesgrows better than control check with increasing water extract concentration. The mycelia ofGanoderma lucidum Karstgrow first promotion after inhibition with incre

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Lee, Rina, Jeongmin Lee, Hyeonju Lee, and Myunghyup Oh. "Antioxidant, whitening and anti-obesity effects of red-fleshed pitaya (Hylocereus polyrhizus) extract." Food Engineering Progress 28, no. 4 (2024): 325–32. https://doi.org/10.13050/foodengprog.2024.28.4.325.

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This study investigated the antioxidant, whitening, and anti-obesity properties of red-fleshed pitaya extracts. We aimed to increase the financial value of red-fleshed pitaya and demonstrate its potential as a functional food material in the future. Flesh and peel extracts were obtained using 70% ethanol and water extraction conditions. Total polyphenol content and antioxidant activity (ABTS and DPPH radical scavenging activity) for each extract were measured, and the 70% ethanol peel extract had the highest total polyphenol content and antioxidant activity. Mushroom tyrosinase inhibitory acti

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18

Yasuma, Taro, Masaaki Toda, Hajime Kobori, Naoto Tada, Corina N. D’Alessandro-Gabazza, and Esteban C. Gabazza. "Subcritical Water Extracts from Agaricus blazei Murrill’s Mycelium Inhibit the Expression of Immune Checkpoint Molecules and Axl Receptor." Journal of Fungi 7, no. 8 (2021): 590. http://dx.doi.org/10.3390/jof7080590.

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Agaricus blazei Murrill or Himematsutake is an edible and medicinal mushroom. Agaricus blazei Murrill’s fruiting body extracts have anticancer properties, although the mechanism is unknown. Basic or organic solvents, which are hazardous for human health, are generally used to prepare Agaricus blazei Murrill’s extracts. The inhibition of immune checkpoint molecules and Axl receptor is an effective therapy in cancer. This study assessed whether subcritical water extracts of the Agaricus blazei Murrill’s fruiting body or mycelium affect the expression of Axl and immune checkpoint molecules in lun

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Gupta, Sanjay Mohan, and Kamal Kumar. "In Vitro Antioxidant and Anti-rhizopus Activity of Methanolic Seed Extract of Camelina Sativa L." Defence Life Science Journal 2, no. 1 (2017): 59. http://dx.doi.org/10.14429/dlsj.2.10110.

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<p>The antifungal efficacy of seed extracts (propanol, ethanol, methanol and sterile deionised water) of Camelina sativa cv. Calena (EC643910) against Rhizopus stolonifer was investigated by agar disc diffusion method. Among all extracts, methanolic seed extract (Disc 3) showed significant activity against R. stolonifer. However, no activity was observed against rest of the extracts (Disc 1, 2 and 4). The inhibition zones were ~35 mm for methanolic extract and ~41 mm for standard drug, respectively. The total phenol content was observed 13.5 μmol, 23.3 μmol, 42.9 μmol and 3.4 μmol gDW-1

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Singgih M, Ivan A, and Fidrianny I. "Antibacterial activity of water spinach herbs against acne-inducing bacteria." International Journal of Research in Pharmaceutical Sciences 10, no. 4 (2019): 3481–88. http://dx.doi.org/10.26452/ijrps.v10i4.1669.

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Acnes is commonly caused by infection by Propionibacterium acnes when the sebum is overproduced from the body. Based on previous research, water spinach extract had antimicrobial activity. The purpose of this study was to determine the antibacterial activity of water spinach (Ipomoea aquatic Forsk.) herbs extract against bacteria Propionibacterium acnes. Extraction was carried out by the reflux method using three different polarity solvents. The extracts were evaporated using a rotary evaporator. Antibacterial activities were assessed by using disc diffusion, microdilution, and equality to ref

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Radwan, Sireen, Ghassan Handal, Fuad Rimawi, and Michel Hanania. "Seasonal Variations in Antioxidant Activity, Total Flavonoids Content, Total Phenolic Content, Antimicrobial Activity and Some Bioactive Components of Ficus carica L. in Palestine." International Journal of PharmTech Research 13, no. 4 (2020): 329–40. http://dx.doi.org/10.20902/ijptr.2019.130404.

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The genus Ficus is one of the largest genera of angiosperms with more than 800 species. This study aimed at investigating the pharmacological properties of Ficus carica linn. Leaves were collected in two seasons (May and October) and were extracted by Soxhlet extractor with different percentages of methanol-water, ethanol-water and pure water solvents. 100% methanol and 95% ethanol offered the highest yield (about 23%). Those extracts were further extracted/partitioned with nbutanol. May samples showed higher TPC, TFC and AA results than October samples. The ethanolbutanol extract had the high

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Eman MG, Gebreil, Alraaydi Nagwa SA, EL-Majberi Saleh HM, and Attitalla Idress Hamad. "Evolution of Antifungal Activity of Artemisia herba-alba Extracts on Growth of Aspergillus sp. and Rhizopus sp." International Journal of Clinical Microbiology and Biochemical Technology 8, no. 1 (2025): 001–6. https://doi.org/10.29328/journal.ijcmbt.1001030.

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Plant extracts and their constituents have a long history as antifungal agents, but their use in biotechnology as preservatives, due to the increasing resistance of fungi to fungicides, has been rarely reported in Libya. The aim of this study is to evaluate the antifungal activity of ethanol extract and water extract of the wild native plant Artemisia herba-alba against two genera of mold fungi Aspergillus sp. and Rhizopus sp. This mold fungal causes significant damage to crops in the field or during storage. In this study, a hot ethanol extract was prepared using a device Soxhlet, and water e

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23

Melnyk, Stepan, Yurii Melnyk, Roksolana Blishch, and Oksana Orobchuk. "THE OBTAINING OF WATER-ALCOHOLIC AND SUGAR EXTRACTS FROM BERRIES." Bulletin of the National Technical University «KhPI» Series: New solutions in modern technologies, no. 1(15) (May 5, 2023): 88–94. http://dx.doi.org/10.20998/2413-4295.2023.01.12.

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It was investigated the extraction of the dry substances with a water-alcohol solvent and the subsequent preparation of sugar extract from black currant, jostaberry, and plum. The water-alcohol solvent extracts the least dry matter from currant berries. The dry substance content in the black currant extract was 1.6%, while water-alcohol extracts from jostaberry and plum contained 4.3-5.5% of dry substances. At the same time, the content of dry substances in the extract is 1.6%, while water-alcohol extracts from gooseberry and plum contain 4.3–5.5% of dry substances. A significant amount of alc

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Sariwati, Atmira, Inayah Fitri, Adi Setyo Purnomo, and Sri Fatmawati. "Phytochemical, Antibacterial, and Antioxidant Activities of Anthurium Hookerii leaves Extracts." HAYATI Journal of Biosciences 26, no. 3 (2019): 101. http://dx.doi.org/10.4308/hjb.26.3.101.

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Many plants of the family of Araceae possess significant benefit as medicinal plants. Anthurium hookerii is herbaceous genus of the family of Araceae. A. hookerii leaves were extracted with five dissimilarity solvents (methanolic, water, ethyl acetate, n-hexane, and dichloromethane). The extracts were evaluated for their phytochemical, total phenolic contents, and antibacterial potential. The presences of tannins and saponins were found in all crude extracts. The steroid was only found in dichloromethane extract, whereas flavonoid was obtained in methanol and water extracts. Besides; methanol,

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Steglińska, Aleksandra, Anastasiia Bekhter, Paweł Wawrzyniak, et al. "Antimicrobial Activities of Plant Extracts against Solanum tuberosum L. Phytopathogens." Molecules 27, no. 5 (2022): 1579. http://dx.doi.org/10.3390/molecules27051579.

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The purpose of the study was to select an environmentally friendly plant biopesticide to protect seed potatoes against phytopathogens. The scope included the evaluation of the antimicrobial activities of 22 plant water extracts, 22 water-glycol extracts, and 3 subcritical carbon dioxide extracts using the agar diffusion method against 10 potato phytopathogens. For the most effective extracts, minimal inhibitory concentration (MIC), chemical composition analysis by gas chromatography–mass spectrometry and in situ assays on seed potatoes were performed. Garlic water extract was finally selected

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Damayanti, Maya, Agus Indarjo, and Sri Sedjati. "Phytochemical Content and Toxicity Test of Kappaphycus Alvarezii Hot Water and Methanol Using BSLT Method." Journal of Marine Biotechnology and Immunology 3, no. 2 (2025): 49–54. https://doi.org/10.61741/jmbi.2025.v3.p49-54.

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Investigating both the beneficial bioactive compounds and the potential toxicity of seaweed extracts provides crucial information to guide their development for nutritional, antioxidant activity, and even cytotoxicity against cancer cells. This study investigated the toxicity and phytochemical composition of hot water and methanol extracts of Kappaphycus alvarezii using a brine shrimp lethality test (BSLT) with Artemia salina larvae. K. alvarezii samples were extracted using hot water and methanol, and the extracts were subjected to phytochemical screening and toxicity testing. The hot water e

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Bodlund, I., K. Sabarigrisan, R. Chelliah, K. Sankaran, and G. K. Rajarao. "Screening of coagulant proteins from plant material in southern India." Water Supply 13, no. 6 (2013): 1478–85. http://dx.doi.org/10.2166/ws.2013.156.

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Access to fresh water is limited due to the growing population and to provide safe drinking water is a global challenge. In this initial study, about a hundred different samples were screened for coagulation activity. Amongst the plants tested were fruits and vegetable pulps, leaves and seeds (like jackfruit, tamarind, papaya, orange, watermelon, pineapple, cucumber, green gram, peas, black gram, cluster bean rice, maize, chili, cabbage, mustard, cauliflower, beetroot and carrot). The crude extracts were prepared in water and salt solution in order to extract the coagulant protein and compare

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Sanmanoch, Wareerat, Worapon Surapat, Santi Phosri, and Nualyai Yaraksa. "Antioxidant activity and Cytotoxicity against the Cervical Epithelial Carcinoma (HeLa) Cell Line of Crude Ganoderma lucidum mycelial extracts." Creative Science 16, no. 1 (2024): 254094. http://dx.doi.org/10.55674/cs.v16i1.254094.

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This study aimed to investigate the total polysaccharide content, antioxidant activity and cytotoxicity on the Cervical Epithelial Carcinoma (HeLa) cells of the ethanol and water reflux extracts from Ganoderma lucidum mycelia. The phenol-sulfuric acid method was used for the standard method of total polysaccharide analysis, the antioxidant was evaluated by DPPH scavenging assay, ABTS assay, and FRAP assay. The MTT assay was used to determine the cytotoxicity of the extracts. The results showed that the contents of total polysaccharide of the ethanol and water reflux extracts were 8.34 ± 0.47 a

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Joldy Devi, Haorongbam, Prathiba Gnanasekaran, and Yumnam Asha Dev. "Selection of Effective Plant Extract as A Disinfecting Agent using Hot and Cold-water Extraction." Ecology, Environment and Conservation 28, no. 04 (2022): 1874–81. http://dx.doi.org/10.53550/eec.2022.v28i04.034.

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The purpose of the study was to determine the antibacterial activity of the cold and hot water extract of the Mangifera indica, Morinda citrifolia and Syzygium cumini leaves by agar well diffusion method. Among the plant extracts that showed the best antibacterial activity was further used to evaluate the colony count reduction of plant extracts after application on the floor surfaces and to analyse the phytochemical present. The study showed that hot water extracts of S.cumini leaves showed the best antibacterial activities against all the test organisms and it was also observed that the numb

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de Carvalho, Márcia Correa, Pedro A. V. Freitas, Rosa J. Jagus, María V. Agüero, and Amparo Chiralt. "Valorization of Beetroot Waste via Subcritical Water Extraction for Developing Active Food Packaging Materials." Molecules 30, no. 9 (2025): 1928. https://doi.org/10.3390/molecules30091928.

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Obtaining active extracts from beet root leaves and stems (BLS) is an alternative for the valorization of this agricultural waste. Subcritical water extraction (SWE) at 150 °C and 170 °C has been used to obtain these extracts, which were incorporated (6% wt.) into polymer matrices to produce antioxidant films of thermoplastic starch (TPS) and polylactic acid (PLA) for the preservation of sunflower oil. A high extraction yield (67–60% solubilized solids) was achieved, and the extracts contained high levels of total phenols (51–73 mg GAE·g−1 extract) and betalains and great radical scavenging ca

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Sima-Obiang, C., R. L. Ngoua-Meye-Misso, G. R. Ndong-Atome, J. Privat Ondo, L. C. Obame-Engonga, and E. Nsi-Emvo. "Phytochemical Screening, Phenolic Compounds Content, Antioxidant, Anti-inflammatory, and Antimicrobial Properties of Pachylobus balsamifera Guillaum from Gabon." Phytothérapie 16, S1 (2018): S65—S73. http://dx.doi.org/10.3166/phyto-2018-0059.

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The goal of this work is to evaluate the antioxidant anti-inflammatory properties, the phenolic compounds content, and antimicrobial potential of water–acetone, water–ethanol, and water extracts of Pachylobus balsamifera. The phenolic compounds content was evaluated to estimate their effect on the antioxidant, anti-inflammatory, and antimicrobial potential of the plant. Antioxidant activities were examined by DPPH (2,2-diphenyl-1- picrylhydrazyl) and ABTS (2,2′-azino-bis) assays. Antiinflammatory activity was determined by the proteins denaturation inhibition method. All plant extracts were ev

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JN, Dike-Ndudim. "Antimicrobial Potentials of Bacillus Subtilis Isolated from Soil and Water." Open Access Journal of Microbiology & Biotechnology 7, no. 2 (2022): 1–11. http://dx.doi.org/10.23880/oajmb-16000228.

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In this study, an attempt was made to extract antimicrobial substance from the soil isolate of Bacillus subtilis and explore its antimicrobial activity on some selected bacteria. The bacteria were typed using RAPD-PCR method to identify organism to strain level, using 16sr RNA A1A13 specific primers. Results revealed bands of different sizes identical in both strains of Bacillus subtilis. The antimicrobial potential of the soil isolate was determined by disc diffusion assay. The production of antimicrobial compound was recorded maximum at the late exponential growth phase. The filtered concent

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Kaygorodtsev, A. V. "Influence of meadowsweet ordinary (Filipendula vulgaris) extract on behavior in models of anxiety." Bulletin of Siberian Medicine 9, no. 6 (2010): 93–98. http://dx.doi.org/10.20538/1682-0363-2010-6-93-98.

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Influence of water and water-ethanol extracts of meadowsweet ordinary on behavior of albino mice in anxiety models is studied. Anxiolytic action of extracts estimated on animals behavior in an elevated plus-maze, an «open field» and in the test of emotional reaction. It was defined that water and 95% water-ethanol extracts of meadowsweet ordinary render the most expressed anxiolytic action and surpass in activity an valerian extract.

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Mohammed, A. H.,, Na’inna, S. Z., Yusha’u, M., Salisu, B., Adamu, U., and Garba, S. A. "In vitro Antibacterial Activity of Psidium guajava Leaves Extracts against Clinical Isolates of Salmonella specie." UMYU Journal of Microbiology Research (UJMR) 2, no. 1 (2017): 1–5. http://dx.doi.org/10.47430/ujmr.1721.001.

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Dried leaves of Psidium guajava obtained from Bayero University, Kano old campus were extracted using water, ethanol and chloroform solvents via percolation method. The leaves extracts were subjected to phytochemical screening to detect presence of secondary metabolites. The extracts were further tested for antibacterial activity against clinical isolates of Salmonella Typhi, Salmonella ParatyphiA and Salmonella Paratyphi B using agar well diffusion method. The results of phytochemical screening indicated the presence of tannins, flavonoids, steroids, terpenoids and phenols while thoseof the a

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Ramana, P., S. Patil, and K. Rao. "Preliminary Phytochemical Screening and Antifeedant Evaluation of Semecarpus kathalekanensis Dasappa." Indian Journal of Forestry 30, no. 2 (2007): 175–78. http://dx.doi.org/10.54207/bsmps1000-2007-69j8k2.

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Aerial part of Semecarpus kathalekanensis Dasappa were subjected for soxhlet extraction by using solvents petroleum ether, chloroform, ethanol and distilled water. The preliminary phytochemical analysis of extracts showed the presence of alkaloids, glycosides, flavonoids, steroids, saponins and tannins. The antifeedant activity of extracts was studied at 4% and 2% concentrations respectively; on third instar larvae of Teak defoliator, Hyplaea puera. The ethanol and distilled water extracts showed maximum antifeedant activity and gave over 85 per cent protection of Teak leaves, followed by petr

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Pietrzak, Dorota, Adam Zwolan, Marta Chmiel, et al. "The Effects of Extracts from Buckwheat Hulls on the Quality Characteristics of Chicken Meatballs during Refrigerated Storage." Applied Sciences 12, no. 19 (2022): 9612. http://dx.doi.org/10.3390/app12199612.

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Buckwheat hulls, due to their high content of phenolic compounds, could be used as a promising food ingredient, the use of which would reduce the waste generated during the production of buckwheat groats. The aim of this study was to investigate the influence of buckwheat hull extracts on the quality of chicken meatballs. Meatballs were produced according to three different treatments: without extracts (Control) and with water (WE) and ethanolic (EE) extracts of buckwheat hulls. The phenolic compositions of the extracts were analysed and their effects on the colour, lipid oxidation, microbiolo

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Stefaniak, Magdalena M., María Gudjónsdóttir, Gudrun Marteinsdottir, et al. "Determination of bioactive properties of food grade extracts from Icelandic edible brown seaweed sugar kelp (Saccharina latissima) with in vitro human cell cultures (THP-1)." Functional Foods in Health and Disease 9, no. 1 (2019): 1. http://dx.doi.org/10.31989/ffhd.v9i1.546.

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Background: Sugar kelp (Saccharina latissima, formerly known as Laminaria saccharina) is a brown seaweed which naturally occurs in the North Atlantic. Seaweeds may be one of the last natural food resources abundantly available. They are known to contain many compounds which may have additional functional benefits. This edible seaweed is characterized by high content of nutrients including carbohydrates and polyphenols, which are recognized antioxidants. Because their natural environment is a 3% saline solution, they are very resistant to mild extraction methods. However, extracts from solvent

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SIMA OBIANG, Cédric, Rick-Léonid Ngoua-Meye-Misso, Guy-Roger Ndong-Atome, Joseph-Privat Ondo, Louis-Clément Obame-Engonga, and Edouard Nsi-Emvo. "Chemical composition, antioxidant and antimicrobial activities of stem barks of Englerina gabonensis Engler and Sterculia tragacantha Lindl from Gabon." International Journal of Phytomedicine 9, no. 3 (2017): 501. http://dx.doi.org/10.5138/09750185.2124.

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<p>Aim of this work was to evaluate the phytochemical constituents, antioxidant and antimicrobial potential of water-acetone, water-ethanol and water extracts of <em>Englerina gabonensis</em> and <em>Sterculia tragacantha</em>.Presence of phenols was evaluated to estimate the effects of plants on microbial diseases. Water-acetone, water-ethanol and water extracts were examined for antioxidant activities. All plant extracts were tested against six reference strains, eleven clinical isolates and two fungal strains.</p><p>Phenolic content were highest in

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S.S., Saboo, and G.G.Tapadiya. "In vitro Antimicrobial and Antioxidant Activity of the Crude Extracts of Pterospermum acerifolium Willd Leaves (Sterculiaceae)." African Journal of Pharmaceutical Sciences 2, no. 1 (2022): 43–48. https://doi.org/10.51483/AFJPS.2.1.2022.43-48.

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Different extracts of <em>Pterospermum acerifolium</em> Willd leaves were investigated for its antimicrobial activity on various microorganisms, i.e., 5 bacterial species and 3 fungal species. Among all extracts, water extract showed maximum antibacterial activity against all species. Present paper has also evaluated free radical scavenging property of acetone, ethanol, water extracts by different <em>in vitro</em> models, i.e., 1,1-diphenyl-2-picryl hydrazyl (DPPH), nitric oxide and reducing power. The ethanol extract found to have more free radical scavenging activity among all extracts.

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Ayu Kartika, I. Gusti Agung, Muhamad Insanu, Catur Riani, Kyu Hyuck Chung, and I. Ketut Adnyana. "Polarity Difference and the Presence of Phytoestrogen Compounds Affecting Estrogenic Activity of Peperomia pellucida Extracts." Sains Malaysiana 50, no. 2 (2021): 449–60. http://dx.doi.org/10.17576/jsm-2021-5002-16.

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Peperomia pellucida (L.) Kunth has been studied as an anti-osteoporotic agent. However, there is no report about its estrogenic activity, which is important for its anti-osteoporotic activity. Thus, the aim of this research was to study the estrogenic potency of P. pellucida extracts. The estrogenic activity of P. pellucida extracts (n-hexane, ethyl acetate, ethanol, and water extracts) was studied using E-screen assay and confirmed with a molecular docking simulations. Further, the presence of phytoestrogen compounds was identified using thin layer chromatography (TLC), TLC densitometry, and

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Marites, U. Peralta. "Botanical Leaf Extracts and Mulching Materials in Organic Eggplant (Solanum Melongena L.) Off Season Production." INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH AND ANALYSIS 06, no. 12 (2024): 6065–99. https://doi.org/10.5281/zenodo.10452358.

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The extensive use of pesticides and the risk they pose to human and the environment requires safe alternatives in crop production hence the study on the efficacy of botanical leaf extracts and mulching materials in organic eggplant production. This study determined the best level combination of botanical leaf extracts that has repellent and knockdown effects on major eggplant insect pest, best level combination of botanical leaf extracts that produces the highest marketable yield; best mulching materials; best level combination of botanical leaf extracts and mulching; correlation of infestatio

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Kirui, J. K., K. Kotut, and P. O. Okemo. "Efficacy of aqueous plant extract in disinfecting water of different physicochemical properties." Journal of Water and Health 13, no. 3 (2015): 848–52. http://dx.doi.org/10.2166/wh.2015.002.

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This study explored the possibility of disinfecting water using aqueous extracts of medicinal plants. Seven medicinal plants used by Samburu herbalists for the treatment of stomach illnesses were investigated for water disinfection. Aqueous extracts of the dried powdered plant material were directly used to treat the water samples collected. Efficacy of water treatment with medicinal plants expressed as percentage reduction in bacterial colonies revealed that Acacia nilotica extract with a mean percentage reduction of 99.86% was the most effective at reducing the number of bacterial colonies.

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Chingwaru, Walter, Runner T. Majinda, Sam O. Yeboah, et al. "Tylosema esculentum(Marama) Tuber and Bean Extracts Are Strong Antiviral Agents against Rotavirus Infection." Evidence-Based Complementary and Alternative Medicine 2011 (2011): 1–11. http://dx.doi.org/10.1155/2011/284795.

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Tylosema esculentum(marama) beans and tubers are used as food, and traditional medicine against diarrhoea in Southern Africa. Rotaviruses (RVs) are a major cause of diarrhoea among infants, young children, immunocompromised people, and domesticated animals. Our work is first to determine anti-RV activity of marama bean and tuber ethanol and water extracts; in this case on intestinal enterocyte cells of human infant (H4), adult pig (CLAB) and adult bovine (CIEB) origin. Marama cotyledon ethanolic extract (MCE) and cotyledon water extract (MCW) without RV were not cytotoxic to all cells tested,

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Akdogan, Doruk, and Aysegul Peksel. "Radical scavenging and antioxidant activities of the extracts of globe artichoke outer bracts." Latin American Applied Research - An international journal 55, no. 2 (2025): 203–9. https://doi.org/10.52292/j.laar.2025.3471.

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This study investigates the antioxidant activities of extracts obtained from the outer bracts of globe artichoke using the Soxhlet extraction (SE) method. To investigate the polarity effect on antioxidant activity, the extracts were prepared in distilled water, ethanol, or ethyl acetate. Different antioxidant activity determination methods were applied. According to our results, the extracts prepared with ethanol (SE-Ethanol) showed the highest total phenolic compounds (182.19 µg pyrocatechol equivalent/mg extract), the greatest sum chlorophyll amount (10.81 µg/mL), the highest metal chelating

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Chua, Vivian, Li Jing Chong, Yan Tan, et al. "Biological Activity, Cytotoxicity, and Phytochemical Content of Leaf Extracts of Matoa (Pometia pinnata) and Pulasan (Nephelium ramboutan-ake) From the Sapindaceae Family." Acta Poloniae Pharmaceutica - Drug Research 81, no. 3 (2024): 467–81. http://dx.doi.org/10.32383/appdr/192036.

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This study sought to assess the leaf extracts of matoa (Pometia pinnata) and pulasan (Nephelium ramboutan-ake) for antimicrobial, antifungal, antioxidant, and cytotoxic activities, besides phytochemical content. Four extracts (hexane, ethyl acetate, ethanol, and water) were obtained from each plant via sequential extraction. The antimicrobial activities were evaluated using colorimetric broth microdilution methods. The antioxidant activities were studied using 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging and ferric-reducing antioxidant power (FRAP) assays. The cytotoxicity was exami

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Bouhafsoun, Aicha, Mehmet Boga, Ahmed Boukeloua, Hamdi Temel, and Meriem Kaid-Harche. "Determination of anticholinesterase and antioxidant activities of methanol and water extracts of leaves and fruits of Chamaerops humilis L." Journal of Applied and Natural Science 11, no. 1 (2019): 144–48. http://dx.doi.org/10.31018/jans.v11i1.2001.

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The present study was carried out to investigate the antioxidant activity of the water and methanol extracts of leaves and fruits extracts of Chamaerops humilis L. by using ABTS cation radicals and cupric reducing antioxidant capacity (CUPRAC). Anticholinesterase effect of the extracts was tested against both AChE and BChE using a microplate-reader assay based on the Ellman method. The methanol extracts of C. humilis leaves contained relatively higher content of flavonoids and total phenolics than those of fruits. All the extracts were found to have different levels of antioxidant activity in

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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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Farhana, Fahima, Gorungo Ray, Md Ashraful Islam, Dipankar Chakraborty, Sreebash Chandra Bhattacharjee, and Suman Das. "Antioxidant Activity, Phenolic and Flavonoid Contents of Abrus precatorius Leaf in four Different Extracts." EAS Journal of Pharmacy and Pharmacology 5, no. 06 (2023): 168–75. http://dx.doi.org/10.36349/easjpp.2023.v05i06.001.

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This research aimed to assess the antioxidant capabilities against DPPH, as well as determine the overall phenolic and flavonoid contents in extracts of abrus precatorius leaves. Different extracts of abrus precatorius leaves were successively prepared using methanol, ethanol, petroleum ether, and distilled water. The DPPH antioxidant capacity of methanol extracts was highest with a low IC50 value of 62.86±0.68µg/mL. Ethanol, water, and petroleum ether extracts also showed significant antioxidant activity with IC50 values of 89.66±0.51, 78.67±0.35, 142±4.26 μg/mL. We observed a significantly h

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Ji, Hong Fang, Ling Wen Zhang, Yuan Zhang, Hui Hui Jin, and Ling Yu Wang. "Antioxidant Properties of Laoying Tea (Litsea Coreana L.) Extracts." Advanced Materials Research 340 (September 2011): 209–14. http://dx.doi.org/10.4028/www.scientific.net/amr.340.209.

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The petroleum ether, acetic ester, methanol and water extracts of laoying tea were prepared and their antioxidant properties were studied. At 160 µg/mL, the methanol extract showed a high reducing power of 1.206. With regard to the scavenging ability on 1,1-diphenyl-2-picrylhydrazyl radicals, extracts were effective in the order: methanol > acetic ester > water > petroleum ether extracts. EC50 values for chelating ability on ferrous ions for petroleum ether, acetic ester, methanol and water extracts were 11.76, 14.32, 6.05 and 1.02 mg/mL, respectively. Based on EC50 values, the variou

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Efremov, A., E. Savelieva, Nadezhda Bulgakova, Irina Zykova, and Dmitriy Volkov. "COMPONENT COMPOSITION AND ANTI-RADICAL ACTIVITY OF CATNIP EXTRACTIVE SUBSTANCES OF THE KRASNOYARSK REGION." Bulletin of KSAU, no. 1 (December 24, 2024): 206–13. https://doi.org/10.36718/1819-4036-2023-1-206-213.

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The purpose of the study was to obtain aqueous and aqueous-alcoholic extracts of catnip (lemon balm), determine the total content of phenolic compounds and flavonoids in them, analyze the component composition of the obtained extracts by HPLC, and establish the antiradical activity of the extracts. Extractive substances from the feedstock were isolated by extraction with water or water-alcohol mixtures (20, 40, 70 and 95 % alcohol were used) at their boiling point for 1.0 h. The sample of raw materials was 1.0 g, the volume of the solution was 100 ml. After filtration, the resulting solutions

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