Results 31 to 40 of about 136,864 (311)
Liang you shipin ke-ji, 2021 This paper studies the total flavonoids extraction and activity in vitro of Rose rugosa cv. Plena residues from Shandong province. Single factor experiment and orthogonal experiment are designed to determine the optimal extraction conditions for ...
ZHANG Lu +4 more
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Total Flavonoid Content (TFC) v1 [PDF]
, 2020 The amounts of total flavonoids was quantified. The reaction mixture consisted of 1.0 ml of extract, 0.3 ml of 5% sodium nitrite and 4 ml of 60% ethanol. After 6 min, 0.3 ml of 10% aluminium nitrite was added. In the next 6 minutes, 4 ml of 1 M sodium hydroxide solution were added. Then, the volumetric tube was diluted to 10 ml.
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KADAR FLAVONOID TOTAL BEBERAPA TUMBUHAN FAMILI ASTERACEAE
Journal of Pharmacopolium, 2022 <p align="center"><strong><em>ABSTRACT</em></strong></p><p><em>Indonesia is a country with abundant biological wealth which has 25% of plant species in the world which reaches 20,000 species that are useful in medicine.
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Shipin gongye ke-ji, 2023 The objective of this study was to optimize the extraction process of total flavonoids from Haloragis micrantha (Thunb.) R. Brown. and explore its antioxidant activity.
Yuhong XIA +8 more
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Antioxidant Activity and Total Flavonoid Propolis Stingless Bee
JURNAL AGROINDUSTRI HALAL, 2023 Propolis from Indonesia contains secondary metabolites which include flavonoids and other organic compounds. The ethanol extract of 70% propolis Trigona spp from Pandeglang can be used as an antibacterial compound. The purpose of this study was to examine the toxicity of the propolis and nanopropolis with an LC50 value, test the antioxidant activity ...
Akhmad Endang Zainal Hasan +3 more
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Ultrasound-assisted extraction of total flavonoids from Aconitum gymnandrum
Pharmacognosy Magazine, 2014 Aconitum gymnandrum is a Chinese traditional herb used as carminative and analgesic. In this study, A. gymnandrum was used as an experimental matrix.Optimized ultrasonic extraction technology of total flavonoids from the A. gymnandrum Maxim was studied by using the methodology of single factor and orthogonal design to study the effects of operation ...
Zheng, Ling-Li +5 more
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Quantitative Analysis of Total Phenolic and Flavonoid Contents from Stachys mouretii Leaf Extracts
Chemistry Proceedings, 2021 Stachys mouretii leaf extracts were analyzed for total phenolic and flavonoid contents. These components are responsible for antioxidant activity. The plant material was collected in April 2018 at the forest of Talasemtane in the region of Ouazzane ...
Abdelmoughite Ouakil +5 more
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Ultrasound-assisted extraction of total flavonoids from Inula helenium
Pharmacognosy Magazine, 2012 Inula helenium was a perennial herb belonging to composite family and the roots of I. helenium have been widely used in traditional Chinese medicine. In this study, I. helenium was used as an experimental matrix.Ultrasound-assisted extraction (UAE) of total flavonoids from I. helenium was studied with dual wavelength UV-VIS spectrophotometer.
Wang, Jin +6 more
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Molecules, 2011 Kacip Fatimah (Labisia pumila Blume), one of the most famous and widely used herbs, especially in Southeast Asia, is found to have interesting bioactive compounds and displays health promoting properties.
Mohd Hafiz Ibrahim, Hawa Z.E. Jaafar
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Юг России: экология, развитие, 2016 The aim is to identify sources of flavonoids and anthocyanins with high antioxidant activity in the natural flora of Dagestan.Methods. The above-ground portions of hoary sage (Salvia canescens C.A.Mey) were collected in the summer of 2013 in the ...
F. A. Vagabova +3 more
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