Introduction of Yi Yi Ren:Coix Seed, Job's-tear Seed or Semen Coicis.

TCM Herbalism:Medicinals and Classifications. ✵The TCM herbalism is also known as pharmaceutics of Traditional Chinese Medicine, or Chinese pharmaceutics, is the branch of health science dealing with the preparation, dispensing, and proper utilization of Chinese herbs. It is majorly composed of Introduction of Chinese Medicinals, Classification of Chinese Herbs, Formulas, and Patent medicines.

Classifications of Herbs:Diuretics and Hydragogues Herbs:Herbs Diuretics.

 TCM Herbs Icon09 Introduction: Herbs Diuretics: also known as damp-draining diuretic herbs,an agent or substance herbs that increases urine excretion and water discharge for treating internal retention of dampness.

Semen Coicis(Coix Seed,Job's-tear Seed).

Semen Coicis:herb photo Pin Yin Name: Yì Yǐ Rén.
 English Name: Coix Seed,Job's-tear Seed.
 Latin Name: Semen Coicis.
 Property and flavor: slight cold, tasteless, sweet.

 Brief introduction: The herb Semen Coicis is the dried ripe kernel obtained by removing the hard husk and seed coat of Coix lacryma-jobi Stapf(family Graminae), used (1).to invigorate the spleen and dispel dampness for treating diarrhea and edema, (2).to clear heat and discharge pus for treating lung abscess and acute appendicitis, and (3).for treating verruca plana. The herb is commonly known as Semen Coicis, Coix Seed, Job's-tear Seed, Yì Yǐ Rén.

 Botanical source: Official herbal classics and other famous herbal classics defined the herb Semen Coicis(Coix Seed,Job's-tear Seed) as the dried ripe kernel obtained by removing the hard husk and seed coat of the (1). Coix lacryma-jobi Stapf., it is a plant of the Coix Genus, the Poaceae family of the Poales order. This commonly used species is introduced as:

(1).Coix lacryma-jobi stapf.

 Coix lacryma-jobi:fruiting plants Botanical description: The Coix lacryma-jobi stapf., is a plant of the Poaceae family and Coix genus, it is commonly known as "tear grass and Yi Yi", annual or perennial, 1~1.5 meters tall. The fibrous roots are relatively thick, up to 3 mm in diameter. Stalk erect, about 10 knots. Leaf blade linear-lanceolate, length up to 30 cm, width 1.5~3 cm, rough edges, thick midrib, protruding on the back; leaf sheaths smooth, upper ones shorter than internodes; leaves hard tongue, about 1 mm long. Inflorescences pods generated bundles; female spikelets are located in the lower part of the inflorescence, where the bread is bony rosary-like, total pods approximately equal to spikelet length; fertile spikelets first lining lower membranous, upper thick papery. Apex obtuse, 2nd Ying-shaped, wrapped in 1st Yingzhong; 2nd lateral malleolus shorter than 1st lateral malleolus, inner surface similar to lateral malleolus inferior; 3 stamen, degenerate, pistil long style; infertile Spikelets, degenerate into tubular lancelets, often 2 or 3 spikelets in 1 section, sessile spikelets first flattened, bilaterally ridged incurved with wings of unequal width, 2nd Ying the shape of the boat was both membranous and medial; 3 stamens; pedicel and sessile spikelets were similar but less or more degenerate. Carob fruit outsourcing hard tortoiseshell, ovoid or ovate-globose. Its flowering period is from July to September, fruiting from September to October.

 Coix lacryma-jobi:fruiting plants The Coix lacryma-jobi stapf., grows near the house, in the wilderness, by the river, in the stream or in the wet valley. This species was native to Southeast Asia but elsewhere is cultivated in gardens as an annual. It has been naturalized in the southern United States and the New World tropics, distributed in most parts of China, cultivated everywhere in the country.

 Ecological environment: The plant grows in the house, wilderness, river, stream or wet valley. It distributes in the major areas of China, more for cultivation.

 Coix Seed:herb photo Growth characteristics: The plant Coix lacryma-jobi prefers a warm and humid climate, afraid of drought, resistant to fertilizer. It can be planted in all kinds of soil. It has a strong tolerance to salt damage and moisture in saline-alkali land and marsh, but it is suitable to be planted on sunny, fertile soil or clay soil. Better avoid even cropping, it is not suitable for crop rotation with the graminaceous crops.

 Coix Seed:herb photo Characters of herbs: Dry seeds, a spherical or ellipsoidal, base slightly wide and flat, apex obtuse, 5~7 mm long, about 3~5 mm wide, white or yellowish-white, surface smooth or have not obvious streaking, sometimes brown skin, 1 side has a deep and wide longitudinal groove, groove rough, brown, base recess, there was a little brown. The quality is hard, after breaking open, inside white, pink. Odor light, sweet light taste. The herb which is large, full, color white and complete grain is better.

 Pharmacological actions: ①.anti-cancer and antimicrobial effects; ②.prevent or reduce bone and muscle contracture and has an exciting effect on the uterus; ③.hypoglycemic, antipyretic, sedative, analgesic effects.

 Medicinal efficacy: Invigorating the spleen and excreting dampness, removal of arthralgia and relieve diarrhea, relieving tendons and removing numbness, clearing heat and discharging pus, invigorate the lung, clearing heat, remove dampness through diuresis. It is indicated for dysuria(difficulty in micturition), dripping discharge of urine, arthritis with fixed pain caused by dampness, rheumatic arthralgia pain, damp-warm syndrome, diarrhea, diarrhea and morbid leukorrhea, spleen deficiency and diarrhea, stranguria with turbid discharge, leukorrhea, muscular constricture, flexion and extension problems, periappendicular abscess(acute appendicitis), atrophic lung disease, abscess of lung, edema, beriberi, flat wart.

 Administration of Semen Coicis(Yì Yǐ Rén): 
Reference: Administration Guide of Semen Coicis(Yì Yǐ Rén)
TCM Books: Internally:9~30 grams(CP), Internally:water decoction, 0.3~1 liang(about 9~30 grams), or prepare to powder(DCTM), Internally:water decoction, 10~30 grams,or prepared to pill, powder, infusing in wine, cook porridge, or thick soup(CHMM).
 Precautions and Adverse Reactions:The herb Semen Cocis should be used cautiously in conditions splenoasthenic constipation, during pregnancy.

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  • 1.Introduction of Yi Yi Ren:Coix Seed, Job's-tear Seed or Semen Coicis.
  • 2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).

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