Graingrass

　　Eriocaulon buergerianum Koern is the dry flower head with flower buds of Eriocaulon buergerianum Koern. Mainly produced in Zhejiang, Jiangsu, Anhui, Jiangxi, Hunan, Guangdong, Guangxi and other places. Harvested in autumn, the inflorescences and flower buds are pulled out, dried and cut into sections. For raw use.

　　[Medical Properties] Pungent, sweet, and flat. Returns to the liver and lung meridians.

　　[Efficacy] Evacuate wind-heat, improve eyesight, and remove nebula.

　　【application】

　　1. Wind-heat causes redness, swelling and pain in the eyes, blurred vision, and filmy eyes. This product is light and powdery, good at dispersing wind-heat on the head and face, improving eyesight and reducing nebula. It is used to treat red and swollen eyes, blurred vision, excessive tears, and shading in the eyes caused by wind-heat attack. It can be combined with Schizonepeta, Cassia Seed, Gentian Grass, etc., such as Gujingcao Decoction ("Looking at Yaohan").

　　2. Wind-heat headache: Use it to dispel wind-heat and treat wind-heat headache. It is often used with mint, chrysanthemum, burdock and other medicines.

　　[Usage and Dosage] Decoction and take, 5 to 10 grams.

　　【Usage Note】It should not be used by people with eye diseases due to yin deficiency and blood loss.

　　[Abstract from ancient books]

　　1. "Kaibao Materia Medica": "It is mainly used to treat throat paralysis, toothache and various scabies. ”

　　2. "Compendium of Materia Medica": "The body of Gujingcao is light and floating, and it can ascend the Yangming boundary. It is very good to use it to treat various diseases in the eyes. The effect of improving eyesight and removing shadows seems to be greater than that of chrysanthemums. ”

　　【Modern Research】

　　1. Chemical composition: This product contains orystin.

　　2. Pharmacological effects: The in vitro test of the water immersion agent of this product has an inhibitory effect on certain skin fungi; its decoction has an inhibitory effect on Pseudomonas aeruginosa, Diplococcus pneumoniae, and Escherichia coli.