Their study used doses of kiwi fruit, apple, cherry and banana extracts and exposed them to synthetic stomach conditions (lots of acid, together with pepsin, an enzyme that speeds up digestion).

• 他们用猕猴桃，苹果，樱桃还有香蕉的提取物放入人工合成的胃内容物之中（包括酸和胃蛋白酶，一种加速消化的酶）。