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Characterization of quinoa (Chenopodium quinoa) fermented by Rhizopus oligosporus and its bioactive properties
Cited 13 time in
Web of Science
Cited 15 time in Scopus
- Authors
- Issue Date
- 2018-09-10
- Publisher
- Springer Open
- Citation
- AMB Express, 8(1):143
- Keywords
- Anti-infammatory activity ; Antioxidant activity ; Fermentation ; l-Carnitine ; Quinoa ; Rhizopus oligosporus
- Abstract
- Abstract
Quinoa is a pseudocereal that contains high quality protein, minerals, vitamins, polyphenols, and phytosterols. In this study, quinoa was fermented by Rhizopus oligosporus (R. oligosporus) up to 5days and the functional compounds (l-carnitine, GABA, vanillic acid and gallic acid) were analyzed by LC/MS. The amounts of l-carnitine and GABA were 0.13mg/kg and 540mg/kg for nonfermented quinoa (NF), 3.15mg/kg and 1040mg/kg for fermented quinoa at 3days (3F), and 1.54mg/kg and 810mg/kg for fermented quinoa at 5days (5F). The vanillic acid and gallic acid were 1.3 and 0.1mg/kg for NF, 1.55 and 2.37mg/kg for 3F, and 1.83 and 0.84mg/kg for 5F, respectively. Total phenolic contents and total flavonoids contents were 41mg gallic acid (GAE)/kg and 13mg quercetin equivalent (QE)/kg for NF, 74mg GAE/kg and 16mg QE/kg for 3F, and 80mg GAE/kg and 19mg QE/kg for 5F, respectively. Antioxidant activity (SC50) was 3.6mg/mL for NF, 3.4mg/mL for 3F, and 2.3mg/mL for 5F. Nitric oxide production on RAW264.7 macrophages of fermented quinoa revealed 29% and 56% inhibition of nitric oxide production for NF and 5F, respectively. Therefore, fermented quinoa can be used as a healthy and valuable food product.
- ISSN
- 2191-0855
- Language
- English
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