Origin of coastal areas in China. It is said that celery has been planted in China for more than two thousand years. There are two kinds of celery: celery and cress. Celery is long, and water celery can only be eaten in the south. Celery is characterized by fat, 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, with a height of about 50 to 80 cm, thick stems like fingers, many root hairs, hollow and tender, pinnately compound leaves and oval leaflets. Green, it tastes without residue. Celery, formerly known as celery, was introduced into China from the Mediterranean region. Celery is suitable for growing in low temperature season. It is only planted after beginning of winter every year. Seedlings are planted in muddy fields, which is convenient for management and fast for growth. Generally, it can be harvested in 60 days by applying some human manure or urea.
People have always liked celery very much. According to legend, Wei Zhi, the prime minister of the Tang Dynasty, was very particular about food and loved celery, and mixed it with sweet and sour almost every day.
People in Guangzhou love celery. It is said that in the Southern Han Dynasty more than 65,438+0,000 years ago, a Changhua Garden, also known as the West Garden, was built near Lizhiwan in Xiguan. There is a piece of celery planted there, which is crisp and delicious, suitable for cooking, and is famous far and near. At that time, it had the reputation of "Nanxun celery milk treasure".
Celery is rich in nutrition and high in medicinal value. According to modern scientific tests, celery contains chemical substances such as coriandrin, mannitol, 5- nicotinic acid and volatile oil. It is an indispensable substance for human body, which can promote the digestion of fish and treat hypertension. People with hypertension often eat celery to lower their blood pressure.
Because celery contains a lot of cellulose, regular consumption can prevent colorectal cancer.