【摘要】 采用CIELAB法研究了蛇龙珠(Vitis vinifera L.cv.Cabernet Shelongzhu)红葡萄酒酿造过程中颜色变化规律,结果表明:蛇龙珠葡萄酒酿造过程中总颜色不稳定,第5d颜色最深;红色色调发酵前期迅速上升,中期不稳定,后期持续上升;黄色色调保持持续上升。添加单宁Ⅰ对蛇龙珠葡萄酒总颜色和红色的保护作用强于单宁Ⅱ,而单宁Ⅱ对黄色色调的增加明显。更多还原

【Abstract】 The change of color for Vitis vinifera L.cv Cabernet Shelongzhu wines in winemaking were studied by CIELAB method.The results showed the color was unstable in winemaking: Bright L* was smallest at the fifth day;red tone a* reached a peak at the second day,and then unstable,kept raising in the evening;yellow tone b* was going up in the whole process.The effect of tanninⅠ was higher than tanninⅡ on a*,but effect of tanninⅡ was higher than tanninⅠon b*.更多还原