In 2007 geneticists at Arizona State University showed that individuals carrying more copies of AMY1 have more amylase in their saliva, thereby allowing them to digest more starch.

• 2007年，亚利桑那州立大学的遗传学家指出，AMY1基因份数比较多的人，唾液的淀粉酶也比较多，也就能消化更多淀粉。