Characterization of quinoa (Chenopodium quinoa) fermented by Rhizopus oligosporus and its bioactive properties

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Table 2 Total phenolic and flavonoids contents and DPPH-radical scavenging activity of fermented quinoa extract

	NF	3F	5F
Total phenolic contents (mg GAE/kg of quinoa extract)	41 ± 1	74**	80 ± 1**
Total flavonoid contents (mg QE/kg of quinoa extract)	13	16**	19**
DPPH radical-scavenging activity (SC₅₀ (mg/mL)	3.6	3.4 ± 0.5	2.3 ± 0.1**

(NF non-fermented, 3F 3 days, 5F 5 days of fermented quinoa extracts); (NF vs 3F and 5F, **p < 0.01)