Results 51 to 60 of about 261,417 (310)

Analysis of the flavonoid component of bioactive New Zealand mānuka (Leptospermum scoparium) honey and the isolation, characterisation and synthesis of an unusual pyrrole [PDF]

open access: yes, 2013
The flavonoid components of New Zealand mānuka (Leptospermum scoparium) honey have been quantified in a series of 31 honeys of varying non-peroxide antibacterial activity to clarify discrepancies between previous studies reported in the literature. Total
Alber, Dagmar G.   +5 more
core   +2 more sources

Exploring the Phytochemical Landscape of the Early-Diverging Flowering Plant Amborella trichopoda Baill. [PDF]

open access: yes, 2019
Although the evolutionary significance of the early-diverging flowering plant Amborella (Amborella trichopoda Baill.) is widely recognized, its metabolic landscape, particularly specialized metabolites, is currently underexplored.
Chang, Lijing   +3 more
core   +1 more source

Antioxidant Activity and Total Flavonoid Propolis Stingless Bee

open access: yesJURNAL 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
openaire   +1 more source

Extraction Process Optimization and Antioxidant Activity of Total Flavonoids from Haloragis micrantha (Thunb.) R. Brown.

open access: yesShipin 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
doaj   +1 more source

Ultrasound-assisted extraction of total flavonoids from Aconitum gymnandrum

open access: yesPharmacognosy 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
openaire   +4 more sources

The application of multiplex fluorimetric sensor for the analysis of flavonoids content in the medicinal herbs family Asteraceae, Lamiaceae, Rosaceae [PDF]

open access: yes, 2007
BACKGROUND: The aim of our research work was to quantify total flavonoid contents in the leaves of 13 plant species family Asteraceae, 8 representatives of family Lamiaceae and 9 plant species belonging to familyRosaceae, using the multiplex fluorimetric
Bazaa, A.   +7 more
core   +3 more sources

Ultrasound-assisted extraction of total flavonoids from Inula helenium

open access: yesPharmacognosy 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
openaire   +3 more sources

Mathematical modeling as a tool in kombucha beverages´ bioactive quality control [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly
This study examined the application of mathematical models on total flavonoids content and sensory marks of kombucha beverages on winery effluent.
Vitas Jasmina   +4 more
doaj   +1 more source

Nutritional and Phytochemical Content of High-Protein Crops [PDF]

open access: yes, 2016
The authors acknowledge support from the Scottish Government’s Rural and Environment Science and Analytical Services Division (RESAS) via their strategic research and partnership programs.Peer ...
Cantlay, Louise   +7 more
core   +2 more sources

The Relationship of Nitrogen and C/N Ratio with Secondary Metabolites Levels and Antioxidant Activities in Three Varieties of Malaysian Kacip Fatimah (Labisia pumila Blume)

open access: yesMolecules, 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
doaj   +1 more source

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