Celery is the stem and leaf of Apium graveolens, an Umbelliferae herb. Pungent, sweet, cool, clearing away heat and calming the liver, and has the effects of invigorating the stomach and lowering blood pressure. It mainly contains flavonoids, volatile oil, mannitol, cyclohexanol, vitamin and nicotinic acid. China's coastal areas of origin. It is said that celery has been cultivated in China for more than two thousand years. There are two kinds of celery: celery and water celery. The celery is long, and water celery can only be eaten in the south. Celery is characterized by fat plant, crispness and little residue. Celery contains protein, carbohydrates, fats, vitamins and minerals, among which the contents of phosphorus and calcium are higher. Regular consumption has an auxiliary therapeutic effect on hypertension, arteriosclerosis, neurasthenia and rickets in children. At the same time, celery also contains volatile celery oil, which is fragrant and can promote appetite. Celery is an annual or biennial herb, about 50 to 80 cm high, with thick stems like fingers, many root hairs, hollow and tender, pinnately compound leaves and oval leaflets. Green, no residue to eat. Celery, formerly known as celery, was introduced to China from the Mediterranean region. Celery is suitable for growth in low temperature season. It is planted only after "beginning of winter" every year. Seedlings are planted in muddy fields, which is easy to manage and grows fast. Generally, it can be harvested in 60 days by applying some human excrement or urea. Throughout the ages, people have been very fond of celery. According to legend, Wei Zhi, the prime minister of the Tang Dynasty, was very particular about his diet, and he was addicted to celery, so he mixed it with sweet and sour almost every day. Guangzhou people love celery. According to legend, in the Southern Han Dynasty, more than 0/000 years ago, a Changhua Garden was built near Lizhi Bay in Xiguan, which was also called Xiyuan. There was a piece of celery planted there, which was crisp and tender, delicious, suitable for frying, and famous far and near. At that time, there was a reputation of "Nanxun West Celery Ruzhizhen". Celery is rich in nutrition and high in medicinal value. According to modern scientific tests, celery contains chemical substances such as coriander glycoside, mannitol, 5-nicotinic acid, volatile oil, etc. It is an indispensable substance for human body, which can promote the digestion of fish and meat, and can treat high blood pressure. People suffering from high blood pressure often eat celery to lower blood pressure. Because celery contains a lot of cellulose, regular consumption can prevent colorectal cancer. -Study on Nutrition of Celery-Celery is rich in nutrition, containing protein, various vitamins and minerals and dietary fiber indispensable to human body. Modern medical research has found that the stems and leaves of celery contain apigenin, bergamot lactone, volatile oil and other components, which have pharmacological effects such as lowering blood pressure and diuresis, stimulating appetite and invigorating stomach, and can be used as a diet therapy for hypertension, arteriosclerosis, neurasthenia, adverse urine heat and irregular menstruation. The dietary fiber contained in celery can promote intestinal peristalsis and prevent constipation. Celery can also neutralize excessive uric acid in the blood and can be used for dietotherapy of gout patients. British scientists have found that eating Oenanthe javanica can partially offset the lung damage caused by toxic substances in tobacco and prevent and treat lung cancer to some extent. As long as the average person eats 60 grams of cress every day, he can play a role in preventing lung cancer. Research on the Medicinal and Anticancer Effects of Celery After nearly three years' research, experts from the Public Health College of Harbin Medical University found that some extracts from celery have good health care effects in regulating blood lipid, blood pressure and antioxidation. Recently, this research achievement and its series of products have passed the expert appraisal. Professor Wu Kun, director of the Department of Nutrition and Food Hygiene, said that this study used celery, a vegetable from northern China, as raw material, and extracted the nutrients from celery by low-temperature vacuum drying technology, which preserved the bioactive substances to the maximum extent. Biological activities of flavonoids and chlorophyll. These nutrients have obvious health care effects in biological activity and food toxicology tests, and researchers call these nutrients "celery green". Experts believe that this achievement has great innovation in the development and utilization of celery, and has reached the leading level in the research of functional system in the mainland. It is a pity that most people throw away the leaves when eating celery and only eat the stems. According to the determination of relevant departments, compared with the stem, the protein of celery leaves is 45% higher, the fat is about 1.7 times higher, the carotene is 28 times higher, the vitamin B 1 is 4 times higher, the niacin is 3 times higher and the vitamin C is 5 times higher. Dr. Bochali in Thailand, through more than ten years' research, found that men who eat about 75 grams of celery every day for about two weeks can reduce the amount of sperm and achieve the purpose of contraception. British scientists have found that eating Oenanthe javanica can partially offset the lung damage caused by toxic substances in tobacco and prevent and treat lung cancer to some extent. As long as the average person eats 60 grams of cress every day, he can play a role in preventing lung cancer.