Results 31 to 40 of about 7,148 (171)

Comparison of Phenolic Compounds and the Antioxidant Activities of Fifteen Chrysanthemum morifolium Ramat cv. ‘Hangbaiju’ in China

open access: yesAntioxidants, 2019
This study investigated the phenolic compounds of 15 Chrysanthemum morifolium Ramat cv. ‘Hangbaiju’, including 6 ‘Duoju’ and 9 ‘Taiju’, using high performance liquid chromatography (HPLC). The antioxidant activities of
Jinyan Gong   +10 more
doaj   +1 more source

Inhibition of HIV Infection by Caffeoylquinic Acid Derivatives

open access: yesAntiviral Chemistry and Chemotherapy, 1993
The caffeoylquinic acids 3,4,5-tri-O-caffeoylquinic acid (1) and 4,5-di-O-caffeoylquinic acid (2), as well as caffeic acid (4) and synapoic acid (5) were isolated from the plant Securidaka longipedunculata (polygalaceae). 1 exhibited a greater selective inhibition of HIV replication than 2 which had an anti-HIV activity similar to that of 3,4,5-tri-O ...
N. Mahmood   +6 more
openaire   +1 more source

Comparison of the Antioxidant Activities and Phenolic Content of Five Lonicera Flowers by HPLC-DAD/MS-DPPH and Chemometrics

open access: yesInternational Journal of Analytical Chemistry, 2020
The Lonicera plants (family Caprifoliaceae) with strong antioxidant activity are used as potential health-supporting phytochemicals. Studying the detailed relationships between bioactive compounds and their antioxidant activity is important for further ...
Rong-rong Zhou   +7 more
doaj   +1 more source

Physicochemical, Functional, and Health‐Promoting Properties of Processed Nettle (Urtica Dioica) Leaves: A Review

open access: yesFuture Postharvest and Food, EarlyView.
Stinging nettle (Urtica dioica L.) leaves are a nutrient‐dense source of proteins, dietary fiber, chlorophylls, carotenoids, and phenolic compounds. Processing technologies enable the production of powders and extracts for incorporation into bakery, beverage, dairy, and nutraceutical products; however, challenges remain regarding sensory quality ...
Mary Nkongho Tanyitiku   +2 more
wiley   +1 more source

Breaking polyphenol–polysaccharide interactions: the promising role of natural deep eutectic solvents

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract Food processing generates substantial amounts of byproducts rich in valuable bioactive compounds, particularly polyphenols, known for their antioxidant, anti‐UV, and antimicrobial properties. These molecules hold great potential in sectors such as food, cosmetics, and pharmaceuticals.
Paul Sauvetes   +2 more
wiley   +1 more source

BIOACTIVE PRINCIPLES OF THE FLOWERS OF PANCRATIUM MARITIMUM [PDF]

open access: yesBulletin of Pharmaceutical Sciences. Assiut University, 2003
Bioactive-guided fractionation and purification of the ethyl acetate fraction of anethanolic extract of fresh flowers of Pancratium maritimum (Amaryllidaceae)cultivated in Egypt yielded an alkaloid, pancratistatin (1), together with 3-caffeoylquinic acid
Diaa Youssef
doaj   +1 more source

Phytochemical composition and cultivar‐dependent variation in colored lettuce (Lactuca sativa) and their α‐amylase inhibitory activity

open access: yesJournal of the Science of Food and Agriculture, EarlyView.
Abstract BACKGROUND This study investigated cultivar‐dependent variation in the phytochemical composition of lettuce (Lactuca sativa) using liquid chromatography–tandem mass spectrometry (LC–MS/MS) profiling and high‐performance liquid chromatography (HPLC) quantification, with a focus on enzyme inhibitory activity. RESULTS Significant differences were
Neil Patrick Uy   +4 more
wiley   +1 more source

Analysis of Phenolic Acids of Jerusalem Artichoke (Helianthus tuberosus L.) Responding to Salt-Stress by Liquid Chromatography/Tandem Mass Spectrometry

open access: yesThe Scientific World Journal, 2014
Plant phenolics can have applications in pharmaceutical and other industries. To identify and quantify the phenolic compounds in Helianthus tuberosus leaves, qualitative analysis was performed by a reversed phase high-performance liquid chromatography ...
Fujia Chen   +4 more
doaj   +1 more source

Unremitting problems with chlorogenic acid Nomenclature: A review

open access: yesQuímica Nova, 2016
This paper summarizes a problematic nomenclature of isomers belonging to chlorogenic acid family since its first occurrence until present. During decades, there have been a high number of articles dealing with the family.
Daniel Kremr   +4 more
doaj   +1 more source

Antioxidant and Sensory Assessment of Innovative Coffee Blends of Reduced Caffeine Content

open access: yesMolecules, 2022
Considering the current trend in the global coffee market, which involves an increased demand for decaffeinated coffee, the aim of the present study was to formulate coffee blends with reduced caffeine content, but with pronounced antioxidant and ...
Danijela Šeremet   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy