... kind of small molecule peptide substance obtained from the protein extracted from corn by directional restriction enzyme and special ... good water solubility and easy absorption. As a natural edible protein, it is nutritious, safe, reliable, and free of ... any toxic or side effect. Test itemQuality standardTotal protein(%)≥80.0corn oligopeptides(%)≥75.0Molecular weight(Dalton)≤1000Moisture(%)≤7.0Ash ...