
- Region
- Asia
- Origin
- East Asia, especially China
Asia · Herb · № 785
Prunus japonica
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