Lemon leaf

Lemon leaf

(essential preparation of raw herbs)

[source] it is the leaf of Limon or Limon in Rutaceae. For the plant morphology, please refer to the "lemon" section.

[collection] all year round.

[chemical constituents] the leaves of Limon contain flavonoids, coumarins and organic acids. Among flavonoids, quercetin and phloretin were found. Among the coumarins, there are umbelliferide, scopoletin and Coriolis. Among the organic acids, ferulic acid, p-coumaric acid, salicylic acid, p-hydroxyphenylacetic acid, erucic acid, p-hydroxybenzoic acid, vanillic acid, gentian acid and o-coumaric acid are included, and vanillin aldehyde is also included. Among them, umbelliferolide, ferulic acid and salicylic acid exist in a small amount of free form at the same time.

The leaves also contain volatile oil, vitamin c-119-232 mg% and pigments such as chlorophyll a, chlorophyll b, lutein and Physalis.

Sweet and warm.

① "Raw herbal medicine nature preparation" says: "the taste is pungent and the nature is warm. "

② "Mu Cao Qiu yuan": "Xin Gan, Wen. "

③ "Nanning drug records": "hard, warm, non-toxic. "

Functions and indications: resolving phlegm, relieving cough, regulating qi and appetizing. For cough and asthma, abdominal distension and diarrhea.

① "Raw herbal medicine nature preparation": cough, phlegm, appetizer. It's a good way to get rid of fishiness“

② "Lu Chuan's Materia Medica": "to move Qi, to stop asthma and cough. Treat asthma, cough, abdominal distension, diarrhea. "

③ "Nanning medicine annals": "Xingqi, Qufeng, Qutan, Jianwei. It can cure cough and pain. "

[usage and dosage] oral: decoction, 3-5 yuan.