A two-stage process was used to prepare rice alcohol, i.e., saccharification of glutinous rice by Q3, followed by fermentation. Q3 was cultured during the saccharification stage, and GY-1 was added in the fermentation stage. Total sugar content and reducing sugar content in these two stages were analyzed. The relationship between the production proportion and consumption of the reducing sugar in the saccharification interval was analyzed using reducing sugar indices. It is an important rule that the high-concentration syrup and oligosaccharides prepared by glutinous rice could reach 42°Bx and 250 mg/mL by high-concentration fermentation in the growth stage of Q3.
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http://dx.doi.org/10.1021/acsomega.0c05452 | DOI Listing |
Nutrients
November 2024
College of Biological Science and Technology, Beijing Forestry University, Beijing 100091, China.
It is well established that cold storage results in increased resistant starch and a reduced glycemic index in carbohydrate food. However, the effects of cold storage on the glycemic response of the second meal of cereals remain unclear. The aim of this study was to compare the postprandial glycemic responses between the paired glutinous and non-glutinous grains, either fresh-cooked or refrigerated, after both the first and second meals.
View Article and Find Full Text PDFCurr Microbiol
December 2024
College of Biomass Science and Engineering, Sichuan University, 24 South Section, First Ring Road, Chengdu, 610065, Sichuan, China.
Dazhu glutinous rice wine is a well-known traditional Chinese rice wine, and many local factories and handicraft workshops use different fermentation methods to produce it. Still, the influence of fermentation processes on glutinous rice wine is unclear. This study aimed to compare the difference between the two fermentation methods in the quality and bacterial composition of Dazhu glutinous rice wine.
View Article and Find Full Text PDFFood Res Int
January 2025
State Key Laboratory of Food Science and Technology, School of Food Science and Technology, National Engineering Research Center for Functional Food, National Engineering Laboratory for Cereal Fermentation Technology, Collaborative Innovation Center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, 1800 Lihu Road, Wuxi 214122, Jiangsu, People's Republic of China. Electronic address:
Ester-producing strains are of great importance for enhancing the quality and flavor profiles of alcoholic beverages. However, traditional methods for screening ester-producing strains are labor-intensive and time-consuming, significantly impeding the development of alcoholic beverages industry. In this study, we selected five brands of Jiuqu to cultivate within different media, results showed that XB (Jiuqu) incubated with malt extract medium possessed the highest ester-producing capability, with the identification of 27 esters at the concentration of 31.
View Article and Find Full Text PDFFood Chem
December 2024
College of Food Science and Engineering, Nanjing University of Finance and Economics/Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China. Electronic address:
In this study, four varieties of glutinous rice were screened out of 18 varieties as representative model inks. Gel prepared using variety WN9612 of high amylose content displayed high viscosity and large overall print deviation (OPD = 17.4 ± 0.
View Article and Find Full Text PDFFood Res Int
December 2024
School of Life Science, Shaoxing University, Shaoxing, Zhejiang 312000, China; Department of Food Quality and Safety, National R&D Center for Chinese Herbal Medicine Processing, College of Engineering, China Pharmaceutical University, Nanjing, Jiangsu 211198, China; National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi, Jiangsu 214122, China. Electronic address:
This study investigates the impact of liquid state fermentation on the key flavor compounds and microbial community structure in Chinese rice wine brewed from five different raw materials: buckwheat, sorghum, japonica rice, glutinous rice, and black rice. Using HS-SPME-GC-MS and HPLC, the volatile compounds were analyzed across various grain liquefaction methods, detecting 82 volatiles, including esters, alcohols, aldehydes, and acids. The concentration of flavor compounds such as esters, amino acids, phenolic acids, and organic acids varied significantly depending on the raw material used.
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