The pale brown-yellow pigment is lipochrome that has accumulated as the atrophic and dying cells undergo autophagocytosis.

染成淡黄褐色是萎缩或死亡细胞进行自体吞噬所脂色素。

Xanthin in corn starch residue is a mixture of fat soluble and water soluble pigments, which are blood red in colour in the pure extraction and lemon yellow in its diluted solution.

利用米生产葡萄中淀粉渣提取米黄色素,主要成分是一种脂溶性色素和少量极性较大色素,呈血红色,其稀释液呈柠檬黄色。