Bamboo shoots need to grow on river banks and beaches with deep soil layers and slightly acidic or neutral soil, as well as at the foot of mountains below 500 meters above sea level. Bamboo shoots, also known as green bamboo shoots and hemp bamboo shoots, are perennial evergreen plants of Bambusoideae. Bamboo shoots like warm and humid climate, and generally require annual average temperature ≥ 17.5℃ and extremely low temperature >; -6℃, annual precipitation is greater than 1400 mm.
Bamboo shoots are the raw materials of Jiangnan cuisine. In the past, there was even a saying that "there is no bamboo in life and no bamboo shoots in food". Although all bamboo shoots are shaped, not all bamboo shoots can be called cooking products. As a vegetable bamboo shoot, it must be soft in tissue, without bitterness or other bad taste, even a little bitter, and can only be eaten after processing to remove bitterness.
Bamboo likes temperature and is afraid of cold, and the suitable growth temperature is 16-20℃. The root system is shallow and the drought resistance is weak. It needs humid environment and deep, loose, fertile soil with rich organic matter, good drainage and good ventilation. In case of drought or severe cold, the soil is barren and there are many pests and diseases. Bamboo forests bloom easily, and as a result, they die. The color of the root edge, white is top grade, yellow is inferior, and green is inferior.
Bamboo shoots mainly grow in spring and summer. Its growth is divided into three stages. The birth period is from early February to early April, the middle growth period is around the middle and late April, and the late growth period is mainly in May and beyond. Bamboo shoots are mainly distributed in Guizhou, Yunnan, Sichuan and other places, growing in dark and humid places.
Bamboo shoots generally mature in summer and autumn (6-65438+1October), and the growth cycle is about 40-60 days. Bamboo shoots are tender shoots of bamboo shoots, also known as bamboo shoots, bamboo shoots, bamboo shoots, winter bamboo shoots, raw bamboo shoots and so on. There are many kinds, strong adaptability and wide distribution.
Second, the efficacy and function of bamboo shoots
Has the effects of stimulating appetite, invigorating spleen, relaxing bowels and caring skin, and contains protein, amino acids, fat, carbohydrates, calcium, phosphorus, iron, carotene and vitamins B 1, B2, C, etc. Can promote intestinal peristalsis, help digestion, reduce food accumulation, prevent constipation, stimulate appetite, strengthen spleen, promote intestinal peristalsis, and beautify.
1, appetizing and invigorating the spleen: Bamboo shoots contain a white nitrogen-containing substance, which constitutes the unique fragrance of bamboo shoots. Cooked with various ingredients, the umami flavor is more prominent. Can be dissolved in soup to make dishes more delicious. Delicious taste is more attractive, conducive to eating, appetizing and promoting digestion.
2, down three highs: bamboo shoots have low sugar content and low fat content. It is an ideal food for patients with "three highs". They are very rich in potassium and can regulate blood pressure, which is very helpful for maintaining healthy blood pressure.
3, laxatives: bamboo shoots are cold. Plant fiber contained in bamboo shoots can increase intestinal water storage, promote gastrointestinal peristalsis, reduce intestinal pressure, reduce stool viscosity and promote stool excretion, and can be used to treat constipation.
4, detoxification and health care: Bamboo shoots are rich in dietary fiber, which can promote intestinal peristalsis and accelerate cholesterol metabolism, so it can reduce cholesterol in the blood and reduce the residence time of toxins in the intestine.
5. Beauty and skin care: Bamboo shoots contain a lot of protein, amino acids, vitamins, calcium, phosphorus and iron. It is very beneficial to maintain the nutrition of human skin, mucosa and muscles and keep facial skin tender. At the same time, bamboo shoots contain a variety of fibers, which can enhance the function of human facial muscles, make microcirculation blood flow unobstructed, and maintain the normal physiological state of mucosa and skin during eating.
6, slimming: bamboo shoots are very low in calories, 100 grams of bamboo shoots only have 27 calories, which is a good choice for people who need to lose weight. Bamboo shoots are also rich in fiber components. The oil in food will be absorbed by bamboo fiber. Because the waste discharged from the body can reduce the absorption and accumulation of fat by gastrointestinal mucosa and help us suppress hunger, eating bamboo shoots can achieve the purpose of fitness and weight loss.