目的研究氨基黑显现潜血足迹所适用的常见客体。
Objective To explore the applicable common surfaces of amido black for develop latent blood footprints.
黑蒜由普通大蒜发酵而成，其中的自然糖分和氨基酸合成一种名为“类黑精”的物质，使大蒜颜色变成黑色。
Black garlic is made from white garlic which is then fermented. The natural sugars and amino-acids then combine to give a black coloring on the cloves known as melanoidin.
二羟基吲哚是黑素原的重要中间体，也是一些氨基酸、生物碱、色胺的中间体。
Dihydroxyindole is an important intermediate of melanin, amino - acid, biogenic base and tryptamine.
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