The young leaves can be used as vegetables and the roots are edible. The fruit is used as a diuretic in European folklore. Parsley leaves contain a variety of plant volatile oils, so most of them are used as pungent flavorings, or decorative side dishes of fruit and vegetable salads and flavoring. Parsley leaves can eliminate bad breath, such as eating onions and garlic, chew a little parsley leaves, can eliminate the odor in the mouth.

Parsley fruit (i.e., seeds) and the volatile oil extracted from the root group, containing flavonoids, with diuretic detoxification and antiseptic effect. The content of diuretic essential oil in the fruit is 2.6%, and the content in the root is 0.1% to 0.3%, so the medicinal effect of the fruit is higher than that of the root. In Western countries, the medical profession recommends parsley for use in vegetable dietary recipes for the treatment of nephritis, cystitis, and prostatitis, or in combination with diuretic herbs. Parsley oil is also used in Western dentistry for local anesthesia and antimicrobial treatment of the gums.

The most remarkable effect of parsley oil comes from its strong antioxidant properties. Animal studies have shown that the active ingredients in parsley oil can resist the harmful effects of harmful chemicals, smoking and other carcinogens, and inhibit the process of tumor formation, especially in the lungs.

Parsley contains a large number of carotenoids, lutein, vitamin C, vitamin E, vitamin K and other vitamins and minerals have a direct or auxiliary antioxidant, anti-inflammatory, anti-aging, blemishes, enhance immunity, lower cholesterol, lowering blood pressure, anti-thrombosis, strengthening the bone and other effects, is beneficial to the prevention and treatment of cardiovascular disease, retinal degeneration, arthritis and tumors. ⒈ calm the liver and lower blood pressure: parsley contains acidic antihypertensive components, free, canine intravenous injection has a significant antihypertensive effect; vascular perfusion, can make the blood vessels dilated; with the aortic arch perfusion method, it can counteract nicotine, mountain stalk theophylline-induced elevated blood pressure reaction, and can cause blood pressure reduction. Clinical for primary, gestational and menopausal hypertension are effective.

Peak sedative and tranquilizer: an alkaline component isolated from parsley seeds, has a sedative effect on animals, can play a stabilizing effect on the human body; parsley Gan or apigenin orally can counteract cocaine-induced euphoria in mice, and is conducive to stabilizing the mood and eliminating irritability.

Diuresis and swelling: parsley contains diuretic active ingredients, eliminating the body of water and sodium retention, diuresis and swelling. Clinical parsley decoction efficiency of 85.7%, can treat celiac disease.

Sung anti-cancer: Parsley is a high-fiber food, which produces a kind of lignin or intestinal lipids through intestinal digestion, which is a kind of antioxidant, and can inhibit the carcinogenic substances produced by intestinal bacteria in high concentration. It can also speed up the running time of feces in the intestines, reducing the contact between carcinogens and the mucosa of the colon for the purpose of preventing colon cancer.

Be careful to nourish the blood to replenish the deficiency: parsley has a high iron content, can supplement the loss of women's menstrual blood, can eat to avoid pale skin, dry, colorless, and can make the eyes God, hair black. ⒈ Pregnant women should avoid using parsley, because it contains ingredients that stimulate uterine contractions, which can induce premature labor.

Peak parsley is high in oxalic acid-like substances, which can easily lead to or aggravate kidney stones and cholelithiasis.

3 Parsley contains anticoagulant ingredients, so it should be used with caution for those who suffer from bleeding tendency.

Sunglasses: Parsley oil can cause skin allergies and contains photosensitizing ingredients, which can increase the direct damage of ultraviolet rays on the skin.

Sunglasses of parsley oil can cause skin allergies, and contain photosensitive ingredients that can increase direct damage to the skin from ultraviolet rays.

Be careful with parsley oil, as it contains toxic ingredients that are harmful to the bladder, digestive tract, and kidneys in large doses.