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Abstract:
This study aimed to explore the feasibility of multi-strain co-fermentation of light-type dry Hong Qu glutinous rice wine. Firstly, giving priority to the filamentous fungal strains with high glucoamylase activity and yeast, combinations of 2 strains of Monascus sp. (A5 and B6), 2 strains of Rhizopus oryzae (M1 and M2), 1 Saccharomyces cerevisiae (NY02), were conducted to brew glutinous rice wine, of which main physicochemical and sensory characteristics were evaluated. Scecondly, with the same filamentous fungal strains, three strains of Saccharomyces cerevisiae yeasts (Y2, Y5, NY02) or their combinations were selected for co-fermentation. The results showed that the optimum combinations were 'A5 + B6 + M2 + NY02' and 'A5 + B6 + M2 + Y2'. Saccharomyces cerevisiae Y2 and NY02 had similar fermentation characteristics. For the combination of 'A5 + B6 + M2 + NY02', Monascus B6 contributed to the red pigment and yellow pigment production, and significantly improved the overall flavor of the wine samples as well; Rhizopus oryzae M2 helped Monascus B6 generate the pigments; Monascus A5 was beneficial to the overall flavor. Meeting the requirement of light-type dry Hong Qu glutinous rice wine, both the wine samples fermented by the combination of 'A5 + B6 + M2 + NY02' and 'A5 + B6 + M2 + Y2', were clear with red colour and had the characteristic flavor and taste of Hong Qu glutinous rice wine. Therefore, mixed-culture fermentation for brewing a light-type Hong Qu glutinous rice wine was practical and effectively governed the wine's quality.
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Journal of Chinese Institute of Food Science and Technology
ISSN: 1009-7848
Year: 2014
Issue: 9
Volume: 14
Page: 28-35
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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