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lac insect 【動物;動物學】紫膠蟲。

laccolite

The shellac erythrophyll is from the parasitism the resinous substance shellac which in places the such as india , thailand , burma , china leguminosae , on the mulberry branch plant s lac insect secretes with the thin sodium carbonate watery solution extract fine but , assumes the reddish purple color either the bright red powder or the liquid , by shellac acid a and shellac acid b , c , e and so on is composed , serves as the edible erythrophyll , when the acidity assumes the orange , is extremely stable 紫膠紅紫膠紅色素是從寄生于印度、泰國、緬甸、中國等地的豆科、桑科植物上的紫膠蟲所分泌的樹脂狀物質紫膠用稀碳酸鈉水溶液萃取精致而得,呈紅紫色或鮮紅色粉末或液體,由紫膠酸a和紫膠酸b 、 c 、 e等組成,用作食用紅色素,酸性時呈橙色,非常穩定。