The efficacy and function of citron

When it comes to citron, we are all familiar with it. Citron is not only edible but also has very high medicinal effects. Eating citron regularly can have very good health and wellness effects.

【English name】 FRUCTUS CITRI

[Source] This product is the dried mature fruit of Citrus medica L. or Citrus wilsonii Tanaka, a plant of the Rutaceae family. The fruits are harvested when ripe in autumn, sliced ​​while fresh, and sun-dried or dried at low temperature. The fragrant balls can also be dried whole or cut in half, and then sun-dried or low-temperature dried.

[Properties] Citron: round or oblong slices, 4 to 10 cm in diameter, 0.2 to 0.5 cm thick. The exocarp is yellow or yellow-green in cross section, with wavy edges and scattered concave oil spots; the mesocarp is 1 to 3 cm thick, yellow-white, with irregular reticular protrusions of vascular bundles; the pulp capsule has 10 to 17 chambers. The central column of the longitudinal section is relatively thick. The texture is flexible. It has a light fragrance and tastes slightly sweet and bitter.

[Identification] Take 2g of the powder of this product, add 30ml of petroleum ether (60-90℃), soak for 1 hour, ultrasonically treat for 20 minutes, filter, evaporate the filtrate, add 1ml of petroleum ether (60-90℃) to the residue to dissolve it, and use it as the test solution. Take another 1g of citron as a reference medicinal material and prepare a reference medicinal material solution in the same way. According to the thin layer chromatography method (Appendix Ⅵ B), 5-10 μl of each of the above two solutions were taken and spotted on the same silica gel G thin layer plate, and cyclohexane-ethyl acetate (5:1) was used as the developing solvent. After development, the plate was taken out, dried, sprayed with 3% vanillin sulfuric acid solution, and heated until the spots were clearly colored. In the chromatogram of the test sample, a main spot of the same color appears at the corresponding position in the chromatogram of the control medicinal material.

[Preparation] If not sliced, break into small pieces; if sliced, soak thoroughly, cut into shreds, and dry.

【Nature and flavor】Pungent, bitter, sour, warm.

[return through meridians] Return the liver, spleen and lung meridians.

【Functions and indications】 Soothes the liver and regulates qi, relieves fullness, and resolves phlegm. It is used for liver and stomach qi stagnation, chest and flank distension and pain, abdominal fullness, vomiting and belching, and cough with excessive sputum.

【Usage and Dosage】 3～9g.

[Storage] Store in a cool and dry place to prevent mildew and moth.

【Excerpt】 Chinese Pharmacopoeia

【Source】《Compendium of Materia Medica》

The above are some basic functions of citron introduced to you, as well as the way to eat citron, so that you will not make mistakes when eating it, and you can also make better use of the value of citron.