Harmful free radicals in aging: A narrative review of their detrimental effects on health

YF Mustafa - Indian Journal of Clinical Biochemistry, 2024 - Springer
The production of harmful free radicals (H-FRs), especially those with oxygen or nitrogen
atoms, depends on both internal and environmental causes. The negative effects of H-FRs …

Tea polyphenols: extraction techniques and its potency as a nutraceutical

H Shaukat, A Ali, Y Zhang, A Ahmad, S Riaz… - … in Sustainable Food …, 2023 - frontiersin.org
Usually, polyphenols help address numerous health issues caused by oxidative stress. Tea
is a popular beverage (rich in polyphenols) with abundant health promoting and disease …

Green synthesis of silver nanoparticles: optimizing green tea leaf extraction for enhanced physicochemical properties

A Wirwis, Z Sadowski - ACS omega, 2023 - ACS Publications
In this paper, we present the optimization of green tea leaf (Camellia sinensis L.) extraction,
carried out using water and hydroalcoholic solvents, for the subsequent synthesis of silver …

Theaflavins: an underexploited functional compound in black tea

T Zhao, X Huang, J Zhao, CS Yang, S Zhang… - Trends in Food Science …, 2024 - Elsevier
Background Theaflavins (TFs) are orange-red pigments with a benzotropolone structure,
which are formed by the polymerization of catechins under oxidase-catalysed oxidation in …

[HTML][HTML] Rapid determination of tea polyphenols content in Qingzhuan tea based on near infrared spectroscopy in conjunction with three different PLS algorithms

S WANG, P LIU, L Feng, J Teng, F Ye, A GUI… - Food Science and …, 2022 - SciELO Brasil
Tea polyphenols are one of the most important ingredients in Qingzhuan tea. Usually, a
chemical method is used to determine tea polyphenols content, but it was time-consuming …

[PDF][PDF] Unrevealing the total phenols, total flavonoids, antioxidant, anti-inflammatory, and cytotoxic effects of Garden Cress seed ethanolic extracts

NT Abdulaziz, ET Mohammed, RR Khalil… - Review of Clinical …, 2024 - researchgate.net
For many years, natural bioactives have been used to treat, cure, and prevent diseases.
Crude extracts from fruit seeds have been demonstrated to possess a range of …

Process optimization of deep eutectic solvent-based microwave-assisted extraction of flavonoids from Ziziphi Spinosae Semen using response surface methodology

G DU, W HONG, Z LI, Y LIU, C WANG - Food Science and …, 2023 - SciELO Brasil
Total flavonoids were extracted from Ziziphi Spinosae Semen (ZSS) by applying microwave-
assisted extraction with low eutectic solvent (DES) as the extractant. This study investigated …

[PDF][PDF] Synthesis and pharmacological profiles of 6, 7-dihydroxycoumarin and its derivatives: a concise review

NM Zeki, YF Mustafa - Iraqi Journal of Pharmacy, 2023 - iasj.net
Background: Esculetin, scientifically referred to as 6, 7-dihydroxycoumarin, functions as the
primary bioactive constituent found in Cortex Fraxini (commonly known as ash bark), an …

[PDF][PDF] Iraqi Journal of Pharmacy

AH Younes, YF Mustafa - Iraqi Journal of Pharmacy, 2023 - iasj.net
Background: The numerous additional valued substances present within plant biowaste
products have a wide range of candidates regarding their recycling, promoting the idea of …

Optimization of microwave-assisted extraction using response surface methodology and HPLC-DAD phenolic compounds quantification from Hylocereus undatus …

W Ayouni, H Riguene, A Yahyaoui… - Preparative …, 2024 - Taylor & Francis
The present study aimed to optimize the microwave-assisted extraction process for both the
peel and pulp of Hylocereus undatus (white dragon fruit) cultivated in Tunisia, using …