Official name: Curcumae Longae Rhizoma
English name: Turmeric
Scientific name: Curcuma longa L.
Chinese name: 薑黃
Chinese phonetic name: Jianghuang
Dried rhizome of Curcuma longa L. (Fam. Zingiberaceae). 
Place of origin
Turmeric is mainly produced in Sichuan, Fujian. 
Turmeric is pungent and bitter in flavor, warm in nature, and mainly manifests its therapeutic actions in the spleen and liver meridians. 
Major Chemical Constituents
Major active components in Turmeric include diarylheptanoids, sesquiterpenes, volatile oil etc. 
Drug actions in TCM
Turmeric eliminate blood stasis, promote the flow of qi, stimulate menstrual discharge and relieve pain.
Traditional Uses in TCM
Traditionally, Turmeric is used to treat various pain caused by Qi stagnation in heart, chest or abdominal; rheumatics pain; toothache, gum swelling pain; sore and ulcer; psoriasis, itching.
Turmeric can relieve pain by activate blood and move qi
Due to its pungent, bitter flavor which related to disperse and descend qi characteristic, turmeric can relieve pain by activate blood and move qi. It can used in chest pain which caused by heart yang deficiency, heart vessel obstruction/ liver and spleen qi stagnating and cold congealing; dysmenorrhea or postpartum abdominal pain caused by blood stasis due to qi stagnation; traumatic injuries, pain caused by ecchymoma etc.
Disperse wind cold dampness pathogen, move qi and blood
Turmeric is warm in nature and pungent, bitter in flavor. Can Disperse wind cold dampness pathogen, move qi and blood, especially good in unblock the meridian to relieve pain.
Using for arthralgia aggravated conditions on limbs, such as “wǔ bì tang”. For toothache, gum swelling pain, turmeric is often used in combination with Dahurian Angelica Root and Manchurian Wildginger root. Matching with Rhubarb and Dahurian Angelica Root use externally, aims to cure sore and ulcer. Tropically apply turmeric use for pain conditions caused by ecchymoma.
Studies showed that turmeric has effects like anti-bacterial, anti-inflammatory, antiviral, antioxidant, lower blood lipids and blood sugar, anti-tumor, liver protection and anti-fibrosis, neuroprotective etc. 
Administration and dosage
Decoction, 3-10g. Appropriate amount for topical application 
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