دورية أكاديمية
أعرض في EDS

Phytochemical profile and antioxidant activity of various solvent extracts of two varieties of ginger and garlic.

التفاصيل البيبلوغرافية
العنوان: Phytochemical profile and antioxidant activity of various solvent extracts of two varieties of ginger and garlic.
المؤلفون: Akullo JO; Department of Animal Production and Management, Faculty of Agriculture and Animal Sciences, Busitema University, Uganda.; Department of Human Nutrition Sciences, School of Food and Nutrition Sciences, Jomo Kenyatta University of Agriculture and Technology, Kenya., Kiage-Mokua BN; Department of Human Nutrition Sciences, School of Food and Nutrition Sciences, Jomo Kenyatta University of Agriculture and Technology, Kenya., Nakimbugwe D; Department of Food Technology and Nutrition, School of Food Technology, Nutrition and Bio-engineering, Makerere University, Uganda., Ng'ang'a J; Department of Food Science and Technology, School of Food and Nutrition Sciences, Jomo Kenyatta University of Agriculture and Technology, Kenya., Kinyuru J; Department of Food Science and Technology, School of Food and Nutrition Sciences, Jomo Kenyatta University of Agriculture and Technology, Kenya.; African Institute for Capacity Development, P.O. Box 46179 - 00100, Nairobi, Kenya.
المصدر: Heliyon [Heliyon] 2023 Jul 30; Vol. 9 (8), pp. e18806. Date of Electronic Publication: 2023 Jul 30 (Print Publication: 2023).
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Elsevier Ltd Country of Publication: England NLM ID: 101672560 Publication Model: eCollection Cited Medium: Print ISSN: 2405-8440 (Print) Linking ISSN: 24058440 NLM ISO Abbreviation: Heliyon Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: London : Elsevier Ltd, [2015]-
مستخلص: There is limited information on the phytochemical profile and antioxidant activity of ginger and garlic consumed in Uganda. This could have an impact on its widespread use and industrial application. Thus, this study was done to determine the phytochemical profile and antioxidant activity of two varieties of ginger and garlic commonly consumed in Uganda. Fresh ginger rhizomes and garlic cloves of "local" and "hybrid" varieties were acquired from a local food market, washed, grated, and extracted using acetone, ethanol, methanol, and water. Standard techniques were used to determine the phytochemical composition. Total phenolic and flavonoid content were measured using Folin-Ciocalteu and aluminium chloride assays, respectively. Antioxidant activity was determined using the 2, 2-Diphenyl-1-picryl hydrazyl (DPPH) assays. Ginger extracts exhibited significantly higher total phenolic and flavonoid content compared to garlic (p˂0.05). The highest total phenolic and flavonoid content was in ethanol and methanol extracts of local ginger: 1968.49 and 2172.65 mg GAE/100 g; 254.24 and 184.62 mg QE/100 g, respectively. Tannins, alkaloids, saponins, and terpenoids were in varying concentrations in the extracts. Levels of Vitamin C were significantly high in aqueous extracts (p˂0.05), 38.34 and 40.80 AAE/100 g in local and hybrid ginger; 33.65 and 35.24 mg AAE/100 g in local and hybrid garlic, respectively. The free radical scavenging activity of extracts varied depending on concentration, with a strong positive correlation between antioxidant activity and total phenolic and flavonoid content. The half maximal inhibitory concentration (IC50) ranged from 0.16 to 8.93 mg/ml in local ginger, 4.43-6.44 mg/ml in hybrid ginger, 3.93-5.64 mg/ml in local garlic, and 4.44-5.27 mg/ml in hybrid garlic. The best antioxidant activity was exhibited by ethanol extracts of the local ginger. According to the findings, the two varieties of ginger and garlic have strong antioxidant activity due to their different phytochemical compositions, which could make them useful as natural antioxidants in food and medicine applications.
Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(© 2023 The Authors. Published by Elsevier Ltd.)
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فهرسة مساهمة: Keywords: Flavonoids; Inhibitory concentration; Natural antioxidants; Phenolic
تواريخ الأحداث: Date Created: 20230814 Latest Revision: 20230815
رمز التحديث: 20240829
مُعرف محوري في PubMed: PMC10412845
DOI: 10.1016/j.heliyon.2023.e18806
PMID: 37576272
قاعدة البيانات: MEDLINE
الوصف
تدمد:2405-8440
DOI:10.1016/j.heliyon.2023.e18806