天气预报 > 美食 > 黑桑葚干有色素吗
黑桑葚干有色素吗
更新时间: 2019-02-19 00:00:00  

有。黑桑葚干中含有一种丰富的天然色素,叫做花青素,每1000克桑葚干中花青素含量为1936mg,因为花青素在酸性环境中颜色呈紫红色,而黑桑葚干的PH值小于7,呈酸性,这也就导致平时所见的黑桑葚干外表多呈黑紫色。

桑葚干真的有染色的吗:有。黑桑葚干是用成熟的桑葚晾晒或烘干而成,但是成熟的桑葚保质期不长,制作黑桑葚干过程中损失较大,所以有些不良商家就会用成熟度不高的桑葚来制作桑葚干,然后再用色素进行染色处理,当做优质的黑桑葚干售卖,因此我们购买黑桑葚干时要注意鉴别。

关键词: 桑葚 色素

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