The bark contains a range of bio-active constituents, including saponins, flavonoids and lignans[279]. It has antifungal and liver protecting properties[279]. It is used in Korea in the treatment of contusions, beri-beri, lumbago, neuralgia and pleurisy[279]. An infusion of the leaves is used to make a stomachic tea[218]. The root is expectorant[218]. A decoction of the wood is used for skin diseases[178, 218].

Other Uses
Insecticide.

The bark and the leaves are used as an insecticide[178]. Wood[266].
Cultivation details
Requires a deep fertile moisture-retentive soil in sun or part shade[200]. Young shoots, especially on young plants, can die back over winter if they are not fully ripened[11]. Young plants are slow-growing[200]. The tree is widely cultivated for timber in China[266]. A polymorphic species[11].

Propagation
Seed - best sown as soon as it is ripe in the autumn in a cold frame[200]. Stored seed probably requires a period of cold stratification and should be sown as soon as possible. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse for at least their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts. Cuttings of half-ripe wood, July/August in a frame[200]. Root cuttings in late winter.

The bark contains a range of bio-active constituents, including saponins, flavonoids and lignans. It has antifungal and liver protecting properties. It is used in Korea in the treatment of contusions, beri-beri, lumbago, neuralgia and pleurisy. An infusion of the leaves is used to make a stomachic tea. The root is expectorant. A decoction of the wood is used for skin diseases.

Rinse the herbs with cold running water; then soak it for 30min. Water : Herbs (3L : 100g) 
Bring to a boil, lower the hear and simmer for a further 2hours. 
Keep refridgerated and take 1cup 3times daily.(hot or cold)

Advice to consumers
Some individuals may have adverse reactions to certain plants, herbs, and other natural products. 
Just because something is natural does not mean it is safe for everyone. 
On any issue where no specific advice is given to consumers please follow this general advice if you are currently taking the product:

you are advised to discontinue use and consult your pharmacist or herbal medical doctor. 
when speaking to your doctor of pharmacist you may find it helpful to take a copy of this MHRA advice about the product with you
you should continue to take any medication prescribed by your doctor.

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