Results 131 to 140 of about 160,911 (301)
Food Chemistry International, EarlyView.The study compared the medicinal activities of polyphenols from fermented and unfermented seeds of Annona squamosa. The polyphenols were extracted and subjected to standard analysis. The major phenolic components of the fermented polyphenols and the unfermented polyphenols were found to be 4‐hydroxybenzoic and 4‐hydroxyphenylacetic acid, respectively ...
Shola Hezekiah Awojide +10 more
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DPPH* antioksidan analizinin yeniden değerlendirilmesi
, 2019 Applications of antioxidants are increasing due totheir various roles in minimising harmful effects of oxidative stress. DPPH·(1,1-Diphenyl-2-picrylhydrazyl radical) antioxidant assay is a fast, simple,inexpensive method commonly used to evaluate the antioxidant activity ofdifferent compounds.
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Use and Abuse of the DPPH• Radical
Journal of Agricultural and Food Chemistry, 2015 The 2,2-diphenyl-1-picrylhydrazyl (DPPH(•)) radical is approaching 100 years from its discovery in 1922 by Goldschmidt and Renn. This radical is colored and remarkably stable, two properties that have made it one of the most popular radicals in a wide range of studies.
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Food Chemistry International, EarlyView.This review highlights non‐thermal extraction technologies for seaweed proteins, emphasizing their mechanisms, impacts on protein structure and functionality, and sustainability potential. Key limitations related to species dependence, extract complexity, and scale‐up are discussed to guide future industrial and biorefinery applications.
Rahat Mahmud +3 more
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Food Chemistry International, EarlyView.Unpleasant bitterness associated with bioactive components of S. anguivi, a vegetal fruit with many therapeutics functionalities, was attenuated on interaction with dietary bivalent metallic ions with concomitant augmentation of antioxidant activity. ABSTRACT Bioactive components of S.
Daramola Bode
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Kinetics of the Oxidation of Quercetin by 2,2-Diphenyl-1-picrylhydrazyl (dpph•)
, 2016 In methanol/water, dpph• bleaching (519 nm) by quercetin, QH2, exhibits biphasic kinetics. The dpph• reacts completely with the quercetin anion within 100 ms. Subsequent slower bleaching involves solvent and QH2 addition to quinoid products.
Carmelo Daquino (2168854) +3 more
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Food Chemistry International, EarlyView.Gac fruit's high carotenoid content, especially in the aril, makes it an excellent natural red pigment source for food applications, offering a safer alternative to synthetic dyes. Ethanol extraction achieved the highest overall pigment recovery (89.53%), whereas ethyl lactate extraction yielded the highest levels of total carotenoids, β‐carotene ...
N. Netravati +4 more
wiley +1 more source
Caracterização físico química e avaliação sensorial do suco da bainha foliar (resíduo agroindustrial) da palmeira real australiana (Archontophoenix alexandrae) [PDF]
, 2012 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Programa de Pós-graduação em Ciência dos Alimentos, Florianópolis, 2009A extração do palmito da palmeira real (Archontophoenix alexandrae), gera uma grande ...
Tramonte, Karina Cardoso
core
DPPH Scavenging Activities and Phytochemical Content of Four Asteraceae Plants
, 2017 Free radicals are atoms or molecules that have one or more unpaired electrons on its outer orbital, highly reactive, and could damage cell inside human body.
Irda Fidrianny +2 more
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Food Chemistry International, EarlyView.Pulsed light technology uses short high‐intensity broad‐spectrum flashes (200–1100 nm) to inactivate microbes via DNA damage. It preserves food quality, extends shelf life, and works on liquids, meats, and produce, often combined with other hurdles for enhanced efficacy.
Abdul Mueez Ahmad +4 more
wiley +1 more source