Euphoria, Longan fruit, Long Yan Rou 龙眼肉

Longan Fruit
Long Yan Rou (TCM)
Picture Euphoria longan
Dian Nan Ben Cao Tu Shuo
(Illustrated Yunnan Pharmacopoeia) Ming Dynasty (1773 edition)

Picture Euphoria longan
Transactions of the Royal Horticultural Society of London, Vol. 2 (1822)

Picture Euphoria longan
(Photo by Len Worthington) (Wikimedia)

Picture

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Botanical name:


Euphoria longan (syn. Dimocarpus langan)

Parts used:


Fruit (flesh of the fruit)

Temperature & Taste:


Warm, moist. Sweet

Classification:


N. Blood Tonic

Uses:


1. Nourishes the Heart, Calms the Mind and Spirit:
-Palpitations, Insomnia
-Dizziness
-Forgetfulness; Mental Fatigue, Mental deficiency
-Overwork with excess Worry; Emotional instability due to Heart deficiency

2. Nourishes Blood:
-Anemia, blood deficiency
-Blood deficiency affecting the Heart and Mind
-considered a valuable postpartum tonic for Women (Thai medicine)


Dose:


Decoction: 9–15 grams (maximum 30 grams)

Comment:


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Correctives:


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Picture

Main Combinations:


1. Palpitations, insomnia with deficiency, Euphoria Long Yan Rou with

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2. Mild Insomnia, Excitability, Restlessness, Euphoria Long Yan Rou with

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3. Forgetfulness, Dizziness, Mental Fatigue, Euphoria Long Yan Rou with

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4. Mild cases of Blood and Qi deficiency:
i.

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ii. more severe deficiency, Euphoria Long Yan Rou with

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5. Postpartum Edema, Postpartum deficiency, Euphoria Long Yan Rou with

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6. To strengthen the Spleen and Stomach and boost the Spirit,

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7. Diarrhea from Spleen deficiency, Euphoria Long Yan Rou with

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Cautions:


1. Not used for Phlegm-Damp with Qi stagnation. Its sweet, rich nature creates dampness and causes Obstruction.
2. Not used for Stomach Heat with Phlegm; it can increase Phlegm and Heat due to its obstructing nature.

Main Preparations used: