翻译公司研究员让18个超重或肥胖的病人在持续一个月的时间内天天吃8个小紫薯。

Researchers took 18 overweight and obese patients and had them eat six to eight small purple potatoes twice a day for a month.

美国科学家发现当超重的高血压患者食用紫薯后，它会发挥像燕麦粥一样降低血压值的作用。

U.S. researchers found that when eaten by overweight patients with high blood pressure it was as effective as porridge oats in lowering their reading.