Saturated fat 和 hardened fat有区分吗？还有polyunsaturated and monounsaturated fat呢？

影子★情人

Saturated fat 确定不是好货色，那末甚么是hardened fat呢？

google 说

Saturated fat is a type of dietary fat. It is one of the unhealthy fats, along with trans fat. These fats are most often solid at room temperature.

看到一个花生酱，说的no hardened fat然而有Saturated fat, 然而下面google解释不是Saturated fat在室温上面就是固态吗？

fat ingredients外面的polyunsaturated and monounsaturated fat是好脂肪，吃了没事吗？