WE are taught that fruit is good for us. We therefore assume that fruit juice is also good. But there are hidden dangers. Processed fruit juices may contain colouring or sugar which is bad for health.
Take orange juice for example. Some brands have as much as 10 grams of sugar per 100 millilitres. That means a 240ml glass of orange juice will have 24g of sugar, or about five cubes of sugar. The nutrition guidelines of the World Health Organisation suggest that the amount of sugar a person consumes a day should not exceed 25g.
Doris Lau Pik-shan (劉碧珊) of the Hong Kong Dietitians Association (香港營養師協會) says that she is not surprised by the amount of sugar in a glass of orange juice. An orange contains 10g of sugar on average, so she recommends eating a fresh orange or drinking not more than half a glass of juice.
Another dietitian, Winnie Wong Wan-chi (黃蘊芝), suggests milk or soya milk instead. If parents insist on juice, they should see whether sugar or food colouring has been added. Juices with pulp are preferable.