peptone
/ˈpeptəʊn/noun
mass noun
1- Biochemistry a soluble protein formed in the early stage of protein breakdown during digestion【生化】胨, 蛋白胨。
1.1
- （亦作peptone water）a solution of this in saline, used as a liquid medium for growing bacteria胨水, 蛋白胨水（盐水中的溶液, 用作培养细菌的液体培养基）。
词源
mid 19th cent.: from German Pepton, from Greek pepton, neuter of peptos 'cooked, digested'.