Taro is rich in protein, calcium, phosphorus, iron, potassium, magnesium, sodium, carotene, nicotinic acid, vitamin C, B vitamins and saponins. It is a very delicious food and has become a food suitable for all ages. Eating some taro in moderation can effectively supplement the vitamins and trace elements lacking in the body, which is very beneficial to yourself. However, people with respiratory diseases such as phlegm and asthma had better not eat taro. Have allergies, such as eczema and urticaria; People with heavy humidity and allergic rhinitis should try to eat taro as little as possible, because taro contains a variety of natural allergic ingredients, and excessive consumption will aggravate the condition and trigger a health crisis; Taro is not suitable for children, some people with weak gastrointestinal absorption ability and some diabetic patients. Taro is rich in sugar and starch. After starch is inhaled, it will still be digested by amylase in gastrointestinal tract.
Taro contains water-soluble polysaccharides, most of which are heteropolysaccharides. There are few extraction methods of taro polysaccharide, mainly water extraction. Studies have shown that taro polysaccharide also has a variety of biological activities. Wang Yu and others found that taro polysaccharide has obvious scavenging effect on OH, scavenging effect on O2-at higher concentration, inhibiting H2O2-induced oxidative hemolysis of red blood cells, and has antioxidant effect. Compared with cellulose, Liu Ping and others found that taro polysaccharide can reduce blood cholesterol and reduce the digestion and absorption of fat in gastrointestinal tract by combining with cholate, thus achieving the effect of reducing blood lipid. It was found that taro polysaccharide could inhibit streptozotocin-induced diabetes in rats, increase the activity of intestinal disaccharidase and reduce blood sugar. Wang Hongpu and others concluded that taro neutral polysaccharide can cooperate with ConA to promote the proliferation of spleen lymphocytes and mature differentiation of T cells in mice, and also significantly improve the phagocytosis of peritoneal macrophages, which has a good immunomodulatory effect. ?
The main values of taro are as follows:
1. Edible tuber: It can be used as soup, grain substitute or starch. Since ancient times, it has been regarded as an important food subsidy or famine relief crop. So far, taro is the main food of Yami people in Taiwan Province Province. Petiole can be peeled, cooked or dried for preservation. The whole plant is commonly used as pig feed. Tubers can be used as medicine to treat mastitis, aphtha, carbuncle swelling, sores, tuberculosis of cervical lymph nodes, burns, traumatic bleeding, and leaves can treat urticaria and scabies.
2. Among the minerals contained in taro, the content of fluorine is high, which has the functions of cleaning teeth, preventing caries and protecting teeth.
3, taro contains a mucus protein, which can produce immunoglobulin or antibody globulin after being absorbed by the human body, which can improve the body's resistance. Therefore, Chinese medicine believes that taro has the functions of detoxification, inhibition, digestion, carbuncle and toxic pain, including cancer, and can be used to prevent and treat tumors and lymphoid tuberculosis.