Introduction of Mai Ya:Germinated Barley or Fructus Hordei Germinatus.

TCM Herbalism:Medicinals and Classifications. ✵The article gives records of the herb Germinated Barley, its English name, Latin name, property and flavor, its botanical source one plant species, ①.Hordeum vulgare L., with a detailed introduction to the botanical features of this plant species, the growth characteristics, and ecological environment of this plant species, the features of the herb Germinated Barley, its pharmacological actions, medicinal efficacy, and administration guide.

Fructus Hordei Germinatus(Germinated Barley).

many yellowish herb grains of Fructus Hordei Germinatus Pin Yin Name: Mài Yá.
 English Name: Germinated Barley.
 Latin Name: Fructus Hordei Germinatus.
 Property and flavor: neutral in nature, tastes sweet.

 Brief introduction: The herb Fructus Hordei Germinatus is the dried and germinated grain of barley, Hordeum vulgare L., used (1).to improve digestion for treating dyspepsia, and (2).to inhibit milk secretion for stopping lactation. The herb is commonly known as Fructus Hordei Germinatus, Germinated Barley, Mài Yá.

 Botanical source: Herbal classic book defined the herb Fructus Hordei Germinatus (Germinated Barley) as the dried germinated grain of barley, Hordeum vulgare L. It is a plant of the Hordeum Linn. Genus, the Poaceae family of the Poales order. This commonly used species is introduced:

(1).Hordeum vulgare L.


 greenish fruit spikes of Hordeum vulgare L. grow in field Botanical description: The plant, Hordeum vulgare L is a biennial herb. Culms are stout (thick and strong), smooth and glabrous, upright, grows up to 50~100 cm high. Leaf-sheath are loosely amplexicaul (stem-clasping); Bigger auricles grow on both sides; paraphyll (ligule) is membraneous, 1~2 mm long; Leaf blades are flat, 9~20 cm long, 6~20 mm wide.

 Spikes are 3~8 cm long (except awn), about 1.5 cm in diameter, spicules (spikelets) are dense, with 3 developed spikelets per segment, spikelets are usually sessile, 1~1.5 cm long (except awn); Glume is linear-lanceolate, slightly pubescent, front end extends to awn, awns are 8~15 mm long, edges have spinlets, palea and lower palea (inferior palea) are in equal length;

 Caryopsis (karyopsis) has vertical grooves on its ventral surface or sunken inward, the front end is pubescent, adheres to lower palea (inferior palea) at maturity, uneasy to separate, but easy to separate for some cultivars (cultivated variety). Its flowering period is from March to April, and the fruiting period is from April to May.

 Barley's been feeding humans for millennia, though it fell out of favor during the last one as people came to see it as low-brow peasant fare. It's most often used in soups and stews, where it serves as both a puffy grain and a thickener, but it also makes a nice side dish or salad. In most markets, you'll have to choose between two types of barley. Hulled barley is the most nutritious, since only the tough outer hulls are polished off. Pearl barley is polished some more so that the outer bran layer is also scrubbed off. It's less nutritious, but more popular since it's not as chewy as hulled barley and it cooks faster.

 yellowish fruit spikes of Hordeum vulgare L. grow in sunny field Ecological environment: The plant is widely cultivated all over China.

 Growth characteristics: The plant, Hordeum vulgare L., has strong adaptability, is widely distributed, and can grow in cold and warm climates. It is appropriate to choose loose, fertile, and subalkaline soil for cultivation, acid red loam is not appropriate for cultivation.

 Characters of herbs: The ends of the caryopsis are slightly fusiform (spindle-shaped), 8~15 mm long, and 1~3 mm in diameter. The surface is faint yellow (pale yellow), the back is perfectly round, surrounded by lower palea (inferior palea), has 5 veins, and the long awn of the front end is already broken and dropped. The ventral surface is surrounded by palea, and has a vertical groove. After removing the lower palea and palea, plumules and fibrous roots grow from the basal radicle. The plumules are lanceolate, linear, yellowish-white, about 5 mm long, and several fibrous roots are slender and curved. The texture of the herb is hard, the fracture surface is white, and mealy (powdery or floured). The herb has no odor, it tastes slightly sweet.

 Pharmacological actions: ①.aid digestion effect; ②.hypoglycemic effect; ③.dual effect on the regulation of milk secretion; ④.anti-fungal effect:its components alanine A and alanine B have an anti-fungal effect; ⑤.besides, the herb germinated barley also has a hypolipemic effect(lowering blood lipid) and hepatoprotective effect(liver protective effect).

 Medicinal efficacy: Promoting the circulation of Qi and aid digestion, prompt digestion and eliminate indigestion, tonifying spleen and stimulate appetite, regulating the middle energizer, descending Qi, delactation and dissipate distension. It is indicated for dyspepsia and indigestion, abdominal fullness and distention, abdominal fullness and diarrhea, spleen deficiency and poor appetite, anorexia (inappetence), vomiting and diarrhea, nausea and vomiting, milk stagnation and accumulation, breast distending pain, breast distention, delactaion, liver-depressed hypochondrium pain, stomachache due to emotional depression and the hyperactive liver-qi attacking the stomach, etc. The raw germinated barley functions benefit the spleen and harmonizing the stomach, soothing the liver and promoting the circulation of Qi, it is indicated for spleen deficiency and poor appetite, milk stagnation and accumulation. The fried germinated barley functions promoting the circulation of Qi, aid digestion and delactation, it is indicated for dyspepsia and indigestion (food stagnation and indigestion), delactation. The charred germinated barley functions aid digestion and removes stagnated food, it is indicated for dyspepsia and indigestion (food stagnation and indigestion), abdominal fullness and distention, etc.

 Administration of Fructus Hordei Germinatus (Mài Yá): 
 
Reference: Administration Guide of Fructus Hordei Germinatus (Mài Yá)
TCM Books: ①.Internally:10~15 grams;for delactation, fried the herb,60 grams; ②.Internally:water decoction, 3~5 qian (about 9~15 grams);or prepare to pill, powder; ③.Internally:water decoction,10~15 grams, big dosage could be 30~120 grams;or prepared to pill, powder.
 Contraindications,Precautions and Adverse Reactions: the herb Fructus Hordei Germinatus should not be used in conditions pyrophlegm(phlegm with fire), asthma and panting, or during pregnancy.

 
Fructus Hordei Germinatus Preparatus(Charred Germinated Barley).

brownish charred herb grains of Fructus Hordei Germinatus Preparatus are in a pile Pin Yin Name: Jiāo Mài Yá.
 English Name: Charred Germinated Barley.
 Latin Name: Fructus Hordei Germinatus Preparatus.
 Property and flavor: neutral nature, tastes sweet.

 Brief introduction: The herb Fructus Hordei Germinatus Preparatus is germinated grain of barley stir-baked to a brown color, used to improve digestion for treating dyspepsia induced by cereal food and infantile lactodyspepsia. The herb is commonly known as Fructus Hordei Germinatus Preparatus, Charred Germinated Barley, Jiāo Mài Yá.

 Common official herbal classics and other famous herbal classics defined the herb Fructus Hordei Germinatus Preparatus (Charred Germinated Barley) as the stir-baked germinated barley grains. The Germinated Barley and its botanical origin was introduced in the last entry "Fructus Hordei Germinatus (Germinated Barley)".

 Medicinal efficacy: The charred germinated barley functions aid digestion and removes stagnated food, it is indicated for dyspepsia and indigestion(food stagnation and indigestion), abdominal fullness and distention, etc.

 Administration of Fructus Hordei Germinatus Preparatus (Jiāo Mài Yá): 
 
Reference: Administration Guide of Fructus Hordei Germinatus Preparatus (Jiāo Mài Yá)
TCM Books: ①.Internally: 10~15 grams;for delactation, fried the herb, 60 grams.; ②.Internally:water decoction, 3~5 qian(about 9~15 grams);or prepare to pill, powder.; ③.Internally:water decoction, 10~15 grams, big dosage could be 30~120 grams;or prepared to pill, powder.

 

 
  

 

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References:
  • 1.Introduction of Mai Ya:Germinated Barley or Fructus Hordei Germinatus.

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