Lemon leaves are leaves of Prunus or Prunus of Rutaceae. It can be recovered all year round. The leaves of lime contain flavonoids, coumarins and organic acids. Among flavonoids, there are quercetin and phloretin. Among coumarin, there are umbelliferone, scopoletin and aesculetin. Among the organic acids, there are ferulic acid, p-coumaric acid, salicylic acid, p-hydroxyphenylacetic acid, erucic acid, p-hydroxybenzoic acid, vanillic acid, gentisic acid and o-coumaric acid; It also contains vanillin. The above components mainly exist in combined form, in which umbelliferone, 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- 1 19 ~ 232 mg% and pigments such as chlorophyll a, chlorophyll b, lutein and butterfly flavin.

Edible efficacy: lemon leaf spice; Gan; Slightly bitter; Slightly warm, entering the lungs; Stomach; Large intestine meridian

1. Essential herbs: relieving cough, resolving phlegm and appetizing. It's good to have a fishy smell.

2. "Luchuan Materia Medica": promoting qi, stopping asthma and relieving cough. Treat asthma, cough, abdominal distension and diarrhea.

3. Nanning pharmacology: promoting qi and expelling wind, resolving phlegm and strengthening stomach. Treat cough and qi disease.

Diet should be taboo:

People with allergies should be careful to eat lemon leaves.