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、??浦参锷系淖夏z蟲所分泌的樹脂狀物質(zhì)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(shí)呈橙色,非常穩(wěn)定。