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Mài Yá 麥芽

Pharmaceutical name Hordei Fructus germinatus Hordeum vulgare fruit, barley sprouts, malt
Category Food Stagnation
Key Properties Reduces food stagnation due to starches and fruits
Softens areas of hardness
Improves the appetite
Properties Sweet
Neutral
Tropism LV, SP, ST
Actions & Indications 1) Reduces Food Stagnation, Strengthens the Stomach
2) Restrains Lactation
3) Facilitates the Smooth Flow of Liver Qi
Dosages 9-15g. For restraining lactation, use 30-60g
Contraindications (TCM) Caution during Lactation, except in a very low dosage (up to 9g); caution in patients without food stagnation, prolonged use may injure Qi.
Contraindications (Western)
Chemical Composition Amylase, invertase, esterase, proteinase, oxidase, catalyticase, cellobiosase, gentiobiosase, lichenase, emulsin, peroxidisomerase, hordenine, maltoxin
Pharmacological Effects • Gastrointestinal: contains many different enzymes to facilitate digestion of starches and carbohydrates
• Antidiabetic: oral ingestion lowers blood glucose levels in human and rabbits; furthermore, 5% intravenous injection may lower blood glucose levels by 40% or more, for up to 7 hours, in rabbits
Herb-Drug Interactions • Antidiabetics: herbs that lower plasma glucose levels should be used with caution with insulin, sulfonylureas, and other antidiabetic medications, as the combination may have a synergistic effect, leading to hypoglycemia
Classical Formula(s)


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This information is a reference tool for Chinese herbal studies. It is not intended to replace professional medical advice. Please consult a primary health professional if you require health advisory.