Colorimetric Evaluation of Quinoa Flour Fermented by <i>Monascus purpureus</i> Enriched with Monosodium Glutamate and Sodium Chloride

Abstract

In the present study, the colour and C:N ratio of quinoa flours pigmented with M. purpureus supplemented with monosodium glutamate and sodium chloride were evaluated during 14 days of fermentation. The best values of L*, a* and b* corresponded to the eighth day. This research showed that the pigmented flour produced by solid state fermentation of quinoa by M. purpureus showing variations in the colour red along with the C:N ratio during the fermentation time, resulting in a product with good visual sensory attributes that can be used to develop new naturally pigmented products with potential functional characteristics.

Keywords

• <i>Chenopodium quinoa</i>
• CIELAB
• pseudocereal
• carbon:nitrogen ratio