人体需要多少水果和蔬菜？

　　Experts say eating a range of fruit and veg is best, as part of a balanced diet, to protect against illness
据英国广播公司报道，专家表示，吃各种水果蔬菜对身体最为有利，可以均衡饮食，预防疾病。
Research suggests eating at least seven portions of fruit and vegetables a day is more effective at preventing disease than the government's current five-a-day recommendation.
研究表明，一天至少吃7份水果蔬菜比目前提倡的一天五份可以更有效预防疾病。
Is five a day enough?
一天五份够不够?
Yes - but people should eat at least five portions of fruit and vegetables a day, the government says. The advice is based on World Health Organization guidelines,which are 25 years old.
五份是可以的，但表示，一天至少应该吃五份。此建议是基于世界卫生组织已建立了25周年的指导方针。
Dieticians say eating five a day is enough to get the protective benefits of fruit and veg - although eating more may be additionally beneficial.
饮食学专家说，一天吃五份水果蔬菜就足够使人体获益，尽管更多的水果蔬菜可能会带来额外好处。
What counts as a portion?
多少算是一份呢?
Fruit juice counts towards one portion of the recommended five portions per day
果汁是一天五份水果蔬菜中的一份。
For an adult, a minimum of 400g of fruit and vegshould be eaten every day, or five portions of 80g.
对于成年人来说，一天最少吃400克水果蔬菜，或5份80克的水果蔬菜。
The amount varies for children, based on activity levels and age, but a rough guide is that one portion should fit in the palm of their hand.
对儿童来说，摄入量因运动量与年龄有所不同，但有一个大体指导方法是他们的手掌能承担的量就是一份的量。
Fruit and vegetables do not have to be eaten on their own and can be cooked in dishes such as soups, stews or pasta meals.
各种水果蔬菜不必分开吃，可以做成汤、大杂烩或面食。
Do tinned fruit and fruit juice count?
罐头水果和果汁算不算?
Yes. But juice should be unsweetened, and only counts as one portion a day, as it contains less fibre than whole fruits and vegetables.
罐头水果和果汁算，但果汁应该是未加糖的，由于果汁比完整的水果蔬菜含有的纤维少，只能算作一份。