Abstract
Objectives: The objective of the study is to evaluate in vitro antioxidant activity of aqueous- and freeze-dried fruits extracts of Rhus chinensis and Citrus macroptera and their comparative studies.
 Methods: The sumac fruit extracts were prepared by macerating in distilled water for 36 h, strained, and concentrated. Hatkora juice was used as it is for further concentration. Both the sample were dried using two methods, that is, evaporation in the water bath at 50°C and freeze-dried in a lyophilizer. The total phenolic content and total flavonoid content were determined using Folin–Ciocalteu and aluminum chloride method. The extracts were evaluated for antioxidant activity by 2, 2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging assay and reducing power assay.
 Results: Both sumac extract and Hatkora juice show potent antioxidant activity. When compared, the freeze-dried sample shows better activity as compared to the aqueous dried sample in both DPPH and reducing power assay.
 Conclusions: This study result shows high phenolic and flavonoid content which is responsible for its high antioxidant activity. This suggests that the fruits can be viewed as a potential source of natural antioxidants that can provide valuable functional ingredients useful for the prevention of diseases related to oxidative stress, dietary supplements, functional food, nutraceuticals, etc.
Highlights
Nutraceuticals The term nutraceuticals were derived from the word “nutrition” and “pharmaceutical” by Stephen Defelice in 1989 [1]
The total phenolic content (TPC) was found higher in R. chinensis extract, while total flavonoid content (TFC) was found to be higher in C. macroptera
The total phenolic and flavonoid of the aqueous- and freeze-dried fruit extracts of R. chinensis and C. macroptera juice were determined from the calibration curve of gallic acid (y = 0.0123x + 0.046) and quercetin (y = 0.0015x + 0.0371)
Summary
Nutraceuticals The term nutraceuticals were derived from the word “nutrition” and “pharmaceutical” by Stephen Defelice in 1989 [1]. Nutraceuticals provide medicinal or health benefits, including the prevention and/or treatment of diseases [2]. Plants are the abundant reservoir of medicinal drugs used both in traditional and modern health-care systems, nutraceuticals, food supplements, pharmaceutical industries, and eccentric chemicals for synthetic drugs [3]. Nutraceutical is preferred over conventional medicines as it avoids that side effects have naturally dietary supplements, dietary fiber, etc. According to the W.H.O, over 80% of the world’s populations rely on such traditional plant-based systems of medicine as phytochemicals, nutritional constituents, or as functional food [4]. The market is obsessed with nutraceuticals by the aging population, rising health-care costs, advances in food technology, and nutrition, as well as helps in better increasing understanding of the link between diet and health by the growing consumer [6]
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Asian Journal of Pharmaceutical and Clinical Research
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
