Pasteurized yolk powder is made from fresh yolk through fine processing with world-leading equipments and technics. It contains rich lecithin and Ca, not only very nutritious but has good emulsibility. It is necessary for human growth and intelligence promotion. It also can serve as pure natural and nutritious flour modifier with good performance in popping, coloring, smoothing and flavoring and are widely used in condiments, baby foods, cool drinks and pharmaceuticals.