蛋黄素 Traditional form: 蛋黃素 Pinyin (reading): dànhuángsù Definitions: lecithin (phospholipid found in egg yolk) Characters: 蛋 - egg 黄 - yellow; surname 素 - plain; white; vegetarian; formerly; normally Traditional characters: 蛋 - egg 黃 - yellow; surname 素 - plain; white; vegetarian; formerly; normally