Antioxidant activity of various extracts and fractions of Chenopodium quinoa and Amaranthus spp. seeds
Abstract
The antioxidant potency of various extracts and fractions from Chenopodium quinoa and Amaranthus sp. was evaluated using three established methods, specifically the DPPH scavenging activity, FRAP, and β-carotene bleaching assays. Satisfying results were obtained, which lead to expect the use of these seeds as health-promoting ingredients. The antioxidant activity was less correlated to the phenolics content suggesting that non-phenolic compounds might play major free radicals scavenging activity in studied plant materials.
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Significant differences in total phenolic and antioxidant capacities were observed between different quinoa cultivars produced in their respective regions of origin, using spectrophotometric analysis.
“Furthermore, using spectrophotometric analysis to estimate total phenolic and antioxidant capacities of quinoa seeds, significant differences were observed between different quinoa cultivars produced in their respective regions of origin.20, 28, 31”
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- Authors
- Yawadio Nsimba, R., Kikuzaki, H., & Konishi, Y.
- Affiliations
- Osaka City University (JP)
- Venue
- Food Chemistry
- Publisher
- Elsevier BV
- Published
- 2008-01
- Volume
- 106
- Issue
- 2
- Pages
- 760-766
- ISSN
- 0308-8146 (ISSN-L)
- OpenAlex
- W2023706271
- Cited by
- 298
- References
- 22
- Citations by year
- 2026: 5 · 2025: 11 · 2024: 13 · 2023: 17 · 2022: 22 · 2021: 16 · 2020: 21 · 2019: 17 · 2018: 13 · 2017: 15 · 2016: 9 · 2015: 15 · 2014: 18 · 2013: 27 · 2012: 24
- FWCI
- 18.95
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Food Chemistry (publishedVersion)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Food Science › Seed and Plant Biochemistry
- Health Sciences › Medicine › Biochemistry › Phytochemicals and Antioxidant Activities
- Life Sciences › Agricultural and Biological Sciences › Food Science › Botanical Research and Applications
- Keywords
- antioxidant activity, quinoa, seed extract, seed fractions, DPPH radical scavenging, FRAP, β-carotene bleaching, phenolic content, free radical scavenging, health-promoting ingredients
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