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.

利生产葡萄糖工艺中淀粉渣提取黄,主要成分是一种脂溶性和少量极性较,呈血红,其稀释液呈柠檬黄。