Herb Laxative herbs that drain downward

Yu Li Ren

Bush cherry pits | 郁李仁

Prumnus humilis, Prunus japonica or Prunus pedunculata

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TCM Properties

Temperature

Neutral

Taste

Bitter, Pungent, Sweet

Organ Affinity

Large Intestine, Small Intestine, Spleen

Parts Used

Dried ripe seeds

TCM Actions & Uses

Traditional Chinese Medicine properties and applications of Yu Li Ren

Traditional Actions

Moisten Dryness and lubricate the Intestines
Descend Rebellious Qi
Promote urination

Key TCM Concepts

In Traditional Chinese Medicine (TCM), Yu Li Ren belongs to the 'Laxative herbs that drain downward' category. The herbs in this category are those whose main purpose is to treat constipation. They're called 'laxative' because they're often rich in oils. This allows them to lubricate the Intestines in order to help it remove the stools from the body.

 

Furthermore Yu Li Ren is Neutral in nature. This means that Yu Li Ren typically doesn't affect the balance in your body. Balance between Yin and Yang is a key health concept in TCM. Eating too many "Hot" (Yang) ingredients can lead to an imbalance whereby one has a Yang Excess. The inverse is true as well: too many "Cold" (Yin) ingredients can lead to a Yin Excess. The Neutral nature of Yu Li Ren means that you don't have to worry about that!

 

Yu Li Ren also tastes Bitter, Pungent and Sweet. The so-called 'Five Phases' theory in Chinese Medicine states that the taste of TCM ingredients is a key determinant of their action in the body. Bitter ingredients like Yu Li Ren tends to have a cleansing action on the body by clearing Heat, drying Dampness and promoting elimination via urination or bowel movements. On the other hand Pungent ingredients tend to promote the circulations of Qi and Body Fluids. That's why for instance someone tends to sweat a lot when they eat spicy/pungent food. Lastly Sweet ingredients tend to slow down acute reactions and detoxify the body. They also have a tonic effect because they replenish Qi and Blood.

 

The tastes of ingredients in TCM also determine what Organs and Meridians they target. As such Yu Li Ren is thought to target the Large intestine, the Small intestine and the Spleen. In TCM the Large Intestine receives the "impure" parts of the digested food from the Small Intestine, absorbs the remaining fluids and excrete the remainder as feces. Like the Stomach, the Small Intestine has a digestive role, extracting the "pure" part of what we injest to the Spleen and the "impure" down to the Large Intestine. The Spleen assists with digestion, Blood coagulation and Fluids metabolism in the body.

Common Applications

Abdominal bloating Constipation Oliguria Edema

Research Studies

Scientific research and clinical studies on Yu Li Ren

MeOH extracts of Prunus japonica seeds possess anti-acne and antimicrobial properties.1

Sources:

1. MZ Sultan, KM Lee, SS Moon (2009). Antibacterial effect of naturally occurring unsaturated fatty acids from Prunus japonica against Propionibacterium acnes. Oriental Pharmacy and Experimental Medicine, Volume 9, Issue 1, pp.90-96. DOI: 10.3742/OPEM.2009.9.1.090

Preparation & Dosage

Traditional and modern methods for preparing Yu Li Ren

Traditional Preparation

Extract the pits and dry, crush before use.

Recommended Dosage

Note: The following information is provided for educational purposes only and is not meant to replace professional medical advice.

3 - 9 grams

Safety & Contraindications

Important safety information and precautions for Yu Li Ren

This information is for educational purposes only. Always consult with a qualified healthcare provider before using any herb or supplement.

Herb-Drug Interactions

Like many herbs, Yu Li Ren may interact with certain medications. If you are taking any prescription medications, we recommend consulting with a healthcare provider knowledgeable in herb-drug interactions.

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