名詞 ptyalin:

1. an amylase secreted in saliva

pty.a.lin

n.（名詞）
A form of amylase in the saliva of human beings and some animals that catalyzes the hydrolysis of starch into maltose and dextrin.
唾液淀粉酶：在人類或某些動物的唾液中的一種淀粉酶，能把水解淀粉催化成麥芽糖和糊精

來源：
Greek ptualon [saliva] from ptuein [to spit]
希臘語 ptualon [唾液] 源自 ptuein [吐唾沫]
-in
-in