Toosendan Fructus

Toosendan Fructus

Toosendan Fructus (川楝子) is the dried mature fruit of Melia toosendan Sieb. et Zucc., family Meliaceae.

Other name  
Phon-Lian  (Thai name), Chuanlianzi (Chinese name), Szechwan Chinaberry Fruit

Macroscopic character
Subspherical or oval. External golden to brownish-yellow, and dispersed small brown spots. Apex with remains of style attached, base dented with a fruit stalk scar. Epicarp leathery, usually separate from mesocarp. Odor, characteristic; taste, sour and bitter.

Important cultivation area

Sichuan (best quality products), Gansu, Hubei, Guizhou and Yunnan provinces.

Processing method

1.Chuanlianzi: Eliminate foreign matters, break into half or cut into thick slices or crush into pieces, sieve out fragments.



2.Chaochuanlianzi: Stir-bake on a gentle fire until the outer surface becomes charred yellow.

Traditional Chinese Medicine action
Bitter; cold; slightly toxic. Enter liver, stomach, small intestine and bladder channels.

1. Chuanlianzi: Promote flow of qi to relieve pain, soothe the liver-qi and clear heat, kill intestinal worms.


2. Chaochuanlianzi: Processed drug has lower coldness, bitterness and toxicity. It can soothe the liver-qi, promote the flow of qi and relieve pain.



Thai Traditional Medicine action  
Expels round worms, cure leprosy and abscess. Seed oil applied to relieve pain.

Usage and dosage 
5-10 g, decoction for oral use, crush into small pieces before use. Use an appropriate amount for external application.


* Contraindication and precaution *
Toosendan Fructus is slightly toxic. Overdose of oral administration may cause toxicity. Unstir-baked Toosendan Fructus is not suitable for the patients suffering from spleen and stomach cold deficiency.


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