Potato peels also contain many biofunctional compounds. A 2019 study showed that potato peel extract stimulated the synthesis of type I collagen, an effect that may have anti-aging benefits.

土豆皮还含有许多生物活性成分。2019年的一项研究表明，土豆皮提取物刺激了I型胶原蛋白的合成，可能具有抗衰老的功效。