Supplement:
Hawthorn (Crataegus pinnatifida Bunge), also known as Crataegus pinnatifida, belongs to Crataegus of Rosaceae, and is a deciduous tree with a height of 6 meters.
Distributed in Shandong, Shaanxi, Shanxi, Henan, Jiangsu, Zhejiang, Liaoning, Jilin, Heilongjiang, Inner Mongolia, Hebei and other places.
Drupe, hard core, thin pulp and slightly sour taste. Fruit can be eaten raw or made into preserved fruit cakes, dried and used as medicine. It is a unique medicinal and fruit tree species in China. It has the functions of reducing blood fat, lowering blood pressure, strengthening heart and resisting arrhythmia. It is also a good medicine for invigorating spleen, stimulating appetite, promoting digestion, promoting blood circulation and resolving phlegm, and has a good effect on chest diaphragm, spleen fullness, hernia, blood stasis and amenorrhea. Vitexin, a flavonoid in hawthorn, is a kind of drug with strong anticancer effect, and its extract has certain inhibitory effect on the growth, proliferation, infiltration and metastasis of cancer cells in vivo.