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Herbs & Cultures
Image of Bush cherry pit (yu li ren)

Asia · Herb · № 785

Prunus japonica

Region
Asia
Origin
East Asia, especially China
2 traditionsImage: Wikimedia Commons · Public domain

Herb · Asia

Bush cherry pit (yu li ren)

Prunus japonica

Traditionally attributed effects: moistens the bowel in constipation with stagnation and promotes urination in oedema.

Safety notes

Not during pregnancy or with yin deficiency. Like other Prunus kernels it contains amygdalin. Traditional use is no proof of effectiveness; if you are pregnant, breastfeeding, taking medication or have a medical condition, consult a doctor or pharmacist.

Preparation

Kernel. Usually as a decoction, together with other herbs.

Use in traditions

Described in the classical Chinese materia medica, in the group 'herbs that drain downwards'. According to Chinese medicine the seeds (yu li ren) moisten the bowels and drain fluid, for constipation and oedema. In Japan and Korea the shrub is grown for its flowers.

Applications

Use by tradition

How different herbal traditions describe this herb. Amounts are traditional guidelines checked for obvious errors; they are not medical advice. For poisonous plants no dosage is given on purpose.

Chinese materia medica

Nature and taste
pungent, sweet, bitter, neutral
Meridians
spleen, small and large intestine, bladder

Attributed effects

For constipation from dryness and qi stagnation and for oedema with scanty urination. Thanks to its high oil content (60–75%) it makes the bowel supple; the pungent taste helps move the qi downwards.

Preparation and amount

Traditional dosage: 3–9 g a day, usually in a decoction.

Combinations

  • With peach or apricot kernel and hemp seed for chronic constipation
Ways to prepare herbs
Decoction