contain quantity of heat very low, lower than general rice much, meeting get fat need not worry after eating so, can rise to reduce weight instead action. One sort still is contained to seem the matter of female hormone in yam, to tutelar body skin, defer consenescence to have certain effect.
Accordingly, a lot of foreign females regard yam as be stationed in Yan Meirong food.
Yam is unripe feed fragile sweet, replaceable fruit; Cooked food of one’s own accord is weak, eat in the mouth, sweet in mind. It can make staple food already, can become again vegetable. Evaporate, boil, decoct, blast, have a way numerous, once cooking of a dab hand, also can become the cate on banquet.
(2) , the sanitarian action of yam:
■ yam has the effect that fight cancer
The nutrient material that the effect that fight cancer has most in food is β – carotene (the body before vitamin A) , vitamin C and folic acid, and in yam 3 person content is richer. A small yam (about 2 double) what the human body that can provide 2 times amount requires vitamin A, 1/3 amount everyday what want vitamin C peace treaty everyday the folic acid of 50 microgramme; Among them prep above of prandial fibrous content a bowl of oatmeal.
β – of carotene and vitamin C fight oxidation to conduce to counteractive oxidation should stimulating ribonucleic acid of pair of genetic material to oxigenate (the injury of DNA) , have the certain effect that fight cancer.
Often eat yam to conduce to the level of normal folic acid that maintains human body, content of the folic acid inside body crosses small conference to increase the risk that gets cancer. The prandial fiber of high content in yam has the effect of constipation of peristalsis of stimulative stomach bowel, precaution and colonic rectum cancer.
■ yam is beneficial to a heart
Yam contains a lot ofpotassium, β – C of carotene, folic acid, vitamin and vitamin B6, these 5 kinds of composition all conduce to disease of precautionary heart and vessels. Potassium conduces to liquid of human body cell and electrolyte balance, maintain normal blood pressure and heart function.
β – carotene and vitamin C have fight fat qualitative oxidation, precaution the action of sclerosis of arterial congee appearance. Additional folic acid and vitamin B6 conduce to in reducing blood tall acerbity level of half Guang ammonia, latter can injure arterial blood-vessel, it is the independent and critical factor of cardiovascular disease.
■ yam prevents emphysema
American can Sa this an animal experiment discovers the university, level of A of the vitamin inside the bandicoot body of smoking is inferior, incidental emphysema; And take food contain a lot ofvitamin A alimental to smoke incidence of a disease of bandicoot criterion emphysema is reduced apparently.
Why a few person that smoke for a long time live to be 90 years old above but did not produce emphysema, content of A of the vitamin in likelihood and their diet is rich about. The person that the person that researcher suggests those smoke or passivity smoke had better eat a few food that contain a lot ofvitamin A to be like yam everyday, in order to prevent emphysema.
■ yam has fight diabetic action
Japanese researcher discovers diabetic fat bandicoot is in eat white skin yam level of the insulin in the 4 week, 6 blood after week reduced 26 ％ , 60 ％ respectively; What discover level of the blood sugar after yam can restrain dextrose of profess to convinced of diabetic fat bandicoot effectively is elevatory; Eat yam to also can reduce the level of diabetic bandicoot triglyceride and free fatty acid.
Research hints potato has Bai Pigong to fight diabetic action certainly. A of Austrian Vienna university clinical research discovers, 2 model after the diabetic is taking white skin yam to extract content, its insulin sensitivity gets ameliorative, conduce to control blood sugar.
Yam already was regarded as by dietetics home a kind of medicine is fed hold concurrently with, the food with balanced nutrition, its quantity of heat has place of coequal weight rice to produce caloric only 1/3, and contain scarcely adipose with cholesterol. Often eat yam to be beneficial to human body health, have certain effect reducing weight. But do not eat yam too much, lest appear heartburn, return sick at heart or abdominal distension wait for abdominal and unwell symptom.