In recent years, nutritionists have found that fruits are rich in natural plant compounds besides known nutrients. These substances play a role in delaying aging by improving antioxidant capacity, regulating detoxification enzyme activity, stimulating immune function, improving hormone metabolism, and resisting bacteria and viruses. The species, distribution and functions of common plant compounds in fruits are as follows:

1. Carotenoids

B carotene-mostly contained in yellow and orange fruits, such as mango, apricot, cantaloupe and papaya. Helps to delay

Aging can prevent and treat some tumors, improve lung function and reduce complications of diabetes.

Lutein-mostly contained in kiwifruit, pomegranate and other fruits. It helps to protect the eyesight of the elderly, reduce the occurrence of cataracts, and may also have a preventive effect on the occurrence of certain tumors.

Lycopene-mostly contained in tomatoes, dark red grapes, watermelons and other fruits. Helps reduce the incidence of prostate cancer and heart disease.

2. Phenolic acids

Ellagic acid-mostly contained in grapes, blueberries, strawberries, kiwifruit and other fruits. It is helpful to reduce the occurrence of some tumors and has the effect of lowering blood fat.

3. Flavonoids

Resveratrol-mainly exists in red grapes. Help to reduce the occurrence of heart disease, stroke, tumor, etc.

Florentine-mainly found in fruits, such as blueberries, cherries, strawberries, plums and kiwis. It has obvious anti-aging effect.

Quercetin-mostly contained in apples, pears, cherries, grapes and other fruits. Helps to reduce inflammatory reaction, protect the lungs, and prevent and treat some tumors.

Hesperidin-mostly contained in oranges, grapes, lemons and other fruits. Helps prevent the occurrence of heart disease.

Citrinin-mainly exists in citrus fruits. It helps to prevent the occurrence of head and neck tumors.

4. Monoterpenoids

Olefin-mainly exists in oranges, grapes, lemons and other fruit peels. It helps to protect the lungs and reduce the occurrence of some tumors.

Suggestion: Daily life for the elderly.

Intake 200 ~ 400g of fruit.

In the natural state, most plant compounds have different colors, and the plant compounds contained in different fruits are also very different, which gives many fruits colorful colors. Because different plant compounds have different health care functions, in order to ensure that as many plant compounds as possible can be ingested to delay aging, nutritionists suggest that the elderly should ingest 200-400 grams of fruits of various colors every day, at least one kind every day, and it is best to change different kinds every day. In order to improve the antioxidant function of the body, we should choose more fruits with strong antioxidant capacity, such as hawthorn, winter jujube, pomegranate, kiwi fruit, mulberry, strawberry, citrus, orange and lemon.

The best time to eat fruit: Except some fruits and persimmons are not suitable for eating on an empty stomach, most fruits do not need to be strictly eaten. Starting from weight control, it is recommended to eat fruit before meals and avoid eating too much at dinner.