葡萄干是深受人们喜欢的小零食,也是很多家庭的必备品。家里来了客人,摆一小碟葡萄干,座谈时随手拈来一两颗,甜甜的味道更能促进聊天氛围的融洽。关于葡萄干却有着很多科学道理可以普及。别看葡萄干个头儿不大,它的含糖量却超过60%,有的甚至高达70%,是热量很高的食品。正因为如此,古时军队作战时常常储备葡萄干作为食品,如今,登山者、滑雪者、野战队员等也 Raisins are popular snacks, and also a must for many families. The family came to the guests, put a small dish of raisins, easy to talk to one or two, sweet taste more can promote the harmony of the chat atmosphere. There are many scientific principles about raisins that can be popularized. Do not look raisin small, its sugar content is more than 60%, and some even as high as 70%, is a high calorie food. Because of this, in ancient times, the army often reserved raisins for food during combat operations. Today, climbers, skiers and field players also