The peptides present after hydrolysation may be hydrolyzed to various degrees. For example, the protein equivalent source of the การเปิดเผยนี้ may, in some embodiments ประกอบรวมด้วย a protein having a degree of hydrolysis of no greater than 40%. This means that no greater than 40% of the peptide bonds of the protein have been broken by a hydrolysis method.