What's the arrow? What is its nutritional value? What are the taboos for eating?

Sagittarius Sagittarius, the bulb of Sagittarius in Alismataceae, is a perennial aquatic herb with arrow-like leaves and white flowers. There are bulbs in the ground, yellow or bluish white. Li Shizhen said, "Sagittarius gives birth to twelve children a year, which is like the hand of Sagittarius, hence the name. Dovetail, at that time, was like a dove's tail, hence its name. "Nutritional analysis Sagittarius Sagittarius contains a variety of alkaloids such as colchicine, which has the functions of preventing cancer and detumescence, detoxifying and eliminating carbuncle, and is often used to prevent and treat tumors. Chinese medicine believes that Sagittarius can cure all kinds of toxins, detoxify, reduce swelling and induce diuresis, and is used to treat all kinds of unknown swelling and poisonous snake bites. Sagittarius Sagittarius contains a variety of trace elements and has a certain cardiotonic effect. At the same time, Sagittarius Sagittarius contains effective ingredients such as water, which has the functions of clearing away lung heat, moistening lung and relieving cough. The general population can eat related people. 1. Suitable for patients with bloody cough, anemia, malnutrition and edema, beriberi and neuritis. 2. Pregnant women and people with constipation should not eat more. Production guidance Sagittarius Sagittarius should not eat too much, which will lead to intestinal wind, hemorrhoids, urine leakage, retching, tooth loss, discoloration and dry skin. Therapeutic effect Sagittarius Sagittarius bulbs are sweet, astringent and slightly cold, entering the lungs and heart meridians; Has the effects of astringing lung, relieving cough and stopping bleeding; Indications: Phlegm tuberculosis, swelling and furuncle, cough due to lung heat, dyspnea, palpitation, edema and dysuria. Other related arrowhead fruits are unique fruits and vegetables in China, with unique flavor, sweet and sour taste, light, bitter and astringent taste and attractive price. Cooked, raw, fried, meat and vegetarian dishes are all suitable, and the cooking dishes are rich and varied with different flavors. Since ancient times, they have been praised by scholars and sages. They used to be indispensable recipe materials for imperial meals and Qing dynasty meals, and they were enduring and popular foods. At the same time, arrowhead has the advantage of being rich in starch, which can be preserved for a long time, and it is also a life-saving food to save famine and replace grain in ancient times.