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作 者:吕宁 禄璐 李芮芮 米佳 罗青 闫亚美 曹有龙 LÜNing;LU Lu;LI Ruirui;MI Jia;LUO Qing;YAN Yamei;CAO Youlong(School of Food and Wine,Ningxia University,Yinchuan 750021,Ningxia,China;Institute of Wolfberry Engineering and Technology,Ningxia Academy of Agriculture and Forestry,Yinchuan 750002,Ningxia,China)
机构地区:[1]宁夏大学食品与葡萄酒学院,宁夏银川750021 [2]宁夏农林科学院枸杞科学研究所,宁夏银川750002
出 处:《食品研究与开发》2024年第10期75-83,共9页Food Research and Development
基 金:宁夏回族自治区自然科学基金资助项目(2019AAC03147);宁夏回族自治区重点研发计划重点项目(2019BFG02026)。
摘 要:针对黑果枸杞加工过程中存在的花色苷不稳定的关键瓶颈问题,以黑果枸杞鲜果为原料,辅以酿酒葡萄共发酵酿制果酒。分析不同酿造因子对果酒多酚、花色苷及色泽的影响;明确影响酒体中花色苷含量及稳定性的主要因子,通过正交优化试验得到最佳酒精发酵工艺。结果表明:黑果枸杞与酿酒葡萄质量比以及pH值对果酒花色苷含量和色泽影响程度较大,但对多酚含量影响作用较小,而酵母菌类型对黑果枸杞果酒多酚、花色苷和色泽影响均较小;复配酿酒葡萄可减少花色苷损失,提高黑果枸杞果酒中花色苷的稳定性。最佳酒精发酵工艺条件为黑果枸杞与酿酒葡萄质量比1∶4、果胶酶添加量0.70g/L、酿酒酵母添加量0.25g/L,发酵后酰化花色苷[矮牵牛素-3-O-芸香糖(反式-p-香豆酰基)-5-O-葡萄糖苷]含量可达(459.51±3.66)mg/L。Due to the application problem of unstable anthocyanins in Lycium ruthenicum Murr.processing process,the fresh fruits of Lycium ruthenicum Murr.were used as materials,supplemented with wine grapes to co-ferment and make fruit wine.The influence of different fermented factors on the polyphenols,anthocyanins,and color of the fruit wine was analyzed.The main factors affecting the contents and the stability of the anthocyanins in the wine were clarified.The optimal alcohol fermentation technology was obtained by an orthogonal optimization experiment.The results showed that the addition mass ratio of Lycium ruthenicum Murr.to wine grapes and the pH value had a greater effect on the anthocyanin contents and color of the fruit wine,but they had a smaller effect on the polyphenol contents.The yeast type had a smaller effect on the polyphenols,anthocyanins,and color of Lycium ruthenicum Murr.fruit wine.The addition of wine grapes could reduce anthocy-anin loss and improve the stability of the anthocyanin in Lycium ruthenicum Murr.fruit wine.The optimal alcohol fermentation process was as follows:a mass ratio of Lycium ruthenicum Murr.to wine grape of 1∶4,an addition amount of pectinase of 0.70 g/L,and an addition amount of saccharomyces cerevisiae of 0.25 g/L.The content of acylated anthocyanins[petunidin-3-O-rutinoside(trans-p-coumarin)-5-O-glucoside]after alcohol fer-mentation could reach(459.51±3.66)mg/L.
分 类 号:TS262.7[轻工技术与工程—发酵工程]
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