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板栗仁变褐色就不能吃了?
板栗仁颜色变成褐色,是因为栗子发生了褐变。板栗褐变可分为酶促褐变和非酶促褐变两种。酶促褐变是指在多酚氧化酶和过氧化物酶的催化作用下,板栗中的酚类物质被氧化成褐色甚至黑色物质的过程。非酶促褐变主要包括焦糖化、美拉德反应和抗坏血酸氧化3 ...
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