Introduction of Yi Tang:Malt Sugar or Extractum Malti.

TCM Herbalism:Medicinals and Classifications. ✵The article gives records of the herb Malt Sugar, its English name, Latin name, property and flavor, its botanical source, with a detailed introduction to the features of the herb Malt Sugar, its pharmacological actions, medicinal efficacy, and administration guide.

Extractum Malti(Malt Sugar).

Extractum Malti:herb photo Pin Yin Name: Yí Tánɡ.
 English Name: Malt Sugar.
 Latin Name: Extractum Malti.
 Property and flavor: warm in nature, tastes sweet.

 Brief introduction: The herb Extractum Malti is the amber or yellowish brown, viscous liquid, with an agreeable odor and a sweet taste, prepared from malted grains of barley, or malted grains of wheat, Triticum aestivum L., it is used as a tonic to replenish the middle Qi for treating general debility, it is also used as an antitussive for treating chronic cough. The herb is commonly known as Saccharum Granorum, Glucidtemns, Malt Sugar, Yí Tánɡ.

 Botanical source: The herbal classic book defined the herb Extractum Malti (Malt Sugar) as a kind of herb prepared from malted starchy grains of barley (sprouts of Hordeum vulgare L.), broomcorn, rice, wheat, millet, maize (corn), or malted grains of wheat (grains of Triticum aestivum L.) by fermentation and saccharification.

 Malt Sugar:herb photo Characters of herbs: Malt sugar can be classified as soft malt sugar and hard malt sugar, soft malt sugar is a yellow-brown thick liquid with great viscosity; hard malt sugar is a porous yellow-white sugar cake, which is made of soft malt sugar after stirring and mixing with air. The herb has a sweet taste, autumn malt sugar is a better grade for herbal use.

 Pharmacological actions: ①.general function of maltose; ②.function of nourishing; ③.relieving cough and stopping colic pains. The herb malt sugar has the general function of maltose, and has the functions of nourishing, relieving cough, and stopping abdominal cramps in clinical observation.

 Medicinal efficacy: Relieve the middle, invigorating deficiency, generate body fluid, moistening dryness. It is indicated for overstrain impairing the spleen (spleen hurt from improper diet and overtiredness), contraction of genital and abdominal pain, xeropulmonary cough (pulmonary dryness and cough), hematemesis (spitting blood), thirst, pharyngalgia (pain in pharynx), constipation, etc.

 Administration of Extractum Malti (Yí Tánɡ): 
Reference: Administration Guide of Extractum Malti (Yí Tánɡ)
TCM Books: ①.Internally:melting by heat and add into water decoction of herbal prescription, 1~2 liang (about 30~60 grams), prepare to ointment, or prepare to pill; ②.Internally:melting by heat and add into water decoction of herbal prescription, 30~60 grams; prepare to ointment, or prepare to pill.




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  • 1.Introduction of Yi Tang:Malt Sugar or Extractum Malti.

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