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为降低红曲黄酒的热性,在传统红曲黄酒酿造工艺基础上引入绿茶共发酵技术,研究其对红曲黄酒酿造品质及寒热性的影响。结果表明,在落缸时添加绿茶共发酵可丰富红曲黄酒的风味,抑制红曲黄酒的酸化,降低红曲黄酒的热性。绿茶的适宜添加量为1.0‰,发酵后的黄酒出酒率为传统黄酒的1.12倍,总酸含量降低9.65%,总酚含量提高13.3%,寒热指数下降43.09%,差异均达极显著水平(P0.01)。酿造的红曲黄酒新产品物性温和、口感酸涩适中、酒香茶香协调,且不失红曲黄酒典型性风格。该研究为研发温和型红曲黄酒新产品提供了理论依据和技术支持。 相似文献
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Purple rice is a source of bioactive antioxidants for rice consumers. Loss of the major antioxidant compounds after a range of cooking processes was evaluated by measuring the changes in anthocyanin concentration (ATC) and antioxidant capacity (DPPH activity) of four non-glutinous and four glutinous genotypes. However, soaking in water prior to cooking generally decreased more ATC and antioxidant capacity in non-glutinous than in glutinous genotypes. Wet cooking (WC) and soaking before wet cooking (S-WC) led to lose almost all the ATC and antioxidant capacity with only slight variation between genotypes. In the glutinous genotype Pieisu, which had the highest raw rice ATC, ATC remained the highest when cooked by the WC method. By contrast, almost no ATC remained after WC and S-WC in the low ATC genotypes such as Kum Doi Saket. Overall, the loss of ATC was greater in non-glutinous than in glutinous genotypes for both WC and S-WC methods, but the reverse occurred for antioxidant capacity. WC using electric rice cooker retained higher ATC than the pressure cooking. Thus, for genotypes with high ATC and antioxidant capacity, the selection of cooking method is critical for retaining and stabilizing rice quality. 相似文献
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通过突变黑粒种质的纯化、筛选,采用回交转育法,将黑粒种质导入到白糯玉米育种材料中再选系或转育成黑粒同型系,组配黑糯玉米杂交种。根据育种目标.经籽粒色泽、品质、抗逆性鉴定和产量配合力的测交试验决选出适合作母本系和适合作父本系组成“黑糯玉米941”杂交种.经初步生产检验和示范获较好结果。 相似文献