… This work aims to optimize the antioxidant activity of extracts from H. sabdariffa calyxes for
use in … The optimal extraction conditions for antioxidant capacity were determined using a Box-…

… change the antioxidant activity of phenolic substances. While HPLC analysis revealed …
The analysis of the antioxidant activity of a phenolic-rich metabolic extract obtained from the …

… Determination of antioxidant reducing power was evaluated by Vijayalakshmi and … of their
antioxidant activity Hibiscus sabdariffa L. and evaluation of their antioxidant activity. Middle …

… sabdariffa … Calyx extract shows more antioxidant activity as compared to callus extract. …
Mechanisms of the antihypertensive effect of Hibiscus sabdariffa L. …

… (South America) that are rich in the polyphenolics anthocyanins, ellagitannins, and
coumarins and has highlighted their antioxidant activity and beneficial and health-promoting …

… extracts of Hibiscus sabdariffa and Croton caudatus leaves … to determine the antioxidant
capacity of yeast microcarriers. … of the analysis of its secondary metabolites, antioxidant and …

… for the antioxidant activities determined in extracts of 33 kenaf genotypes. In this analysis,
the … According to literature, polysaccharides can significantly improve antioxidant activity and …

… extracts of Hibiscus sabdariffa and Croton caudatus leaves … to determine the antioxidant
capacity of yeast microcarriers. … of the analysis of its secondary metabolites, antioxidant and …

… Traditional knowledge and practices serve as the basic framework for scientific studies
including chemical analysis and biological activity studies. Different varieties of plants have been …

… analysis of the thermal, vibrational, and phytochemical characteristics of a light purple variety
of Hibiscus … have antimicrobial and antioxidant activity [44], putative antibacterial activity [45]…