Give You A Comprehensive Literature Content About Yam Extract
A: About yam raw materials
a. Morphological characteristics of yam: Entwined grass vine. Tubers long cylindrical, vertical growth, up to 1 meter long, dry section white. Stems usually purplish-red, dextral, glabrous. Leaves simple, alternate on lower stem, opposite above middle, rarely 3-im peller; Leaf blade large variation, ovate-triangular to broadly ovate or orbit, 3-9(-16) cm long, 2-7(-14) cm wide, apical acumulate, base deeply cordate, broadly cordate or subtruncate, margin often 3-lobed to 3-deeply lobed, middle lobes ovate-elliptic to lanceolate, lateral lobes auricular, round, subsquare to oblong; The leaves are generally broadly ovate or oval, and the base is deeply heart-shaped. There are often bead buds in the axils. Dioecy.
b. Growth environment: It grows at an altitude of 150-1500 meters on the hillside, under the valley forest, beside the stream, in the thicket or in the weeds. Yam is a short-day, warm-loving crop. The optimum temperature for seedling growth is 15-20℃. The optimum temperature of peak growth is 25-28℃, and the growth is slow below 20℃. It is suitable to grow in loose, fertile and deep soil, but flat species and blocky species can also grow in shallow and sticky soil. Yam is more tolerant of drought, but not tolerant of waterlogging, and should not be planted in the groundwater level is too shallow or too wet soil. The moisture content of sandy soil and loam soil is about 18%.
c. Origin of raw materials: Found in Korea, Japan, and China; In China, it is distributed in Henan, Anhui south of Huaihe River, Jiangsu, Zhejiang, Jiangxi, Fujian, Taiwan, Hubei, Hunan, Guangdong (Niutou Mountain in Zhongshan), Guizhou, northern Yunnan (G ongshan, Deqin and Lijiang), Sichuan, eastern Gansu and southern Shaanxi (350-1500 m) and other places
d. Raw material cultivation method:
Dioscorea zingiberensis is generally propagated by the reed head method and zero-seed breeding method.
1). Reed head propagation method: A section with buds on the upper end of the root is used as seed, called reed head. When digging yams in the first winter, choose roots with short necks, strong, no branches, and no pests and diseases, and the roots can be overwintered underground. The root is weak in water absorption and will wither soon after cutting, preferring a slightly humid environment. Dioscorea requires sandy soil and loam with sunny and leeward terrain, the soil reaction is slightly acidic to slightly alkaline, and the soil layer is deep and fertile. Soil that is too sticky, too sandy or too alkaline is not suitable for planting.
2). Zero surplus seed breeding method: Before and after frost, when the stems and leaves of Dioscorea will be yellow, pick up or pick up the landed zero seed from the axilla of the leaves, air 2-3 days later, put it in a bamboo basket, cover it or pack it into a wooden box for storage. During storage, attention should be paid to rodent damage and ventilation should be required. Breeding with zero seeds requires 1 year of cultivation and root tubers for seed.
e. Nutritional value: The first food to nourish the spleen and stomach is yam, which is a good product for entering the lung, strengthening the spleen, and tonifying the kidney. The gooey juice of yam is mainly mucin, which can maintain the elasticity of blood vessels and moisten the lungs to stop coughing. Yam can be combined with red dates to make porridge, or used in soup, and can also be stir-fried with various ingredients.
Medicinal value: Dioscorea tuber is commonly used in Chinese medicine "Huai yam", the root can be used as medicine, sweet, warm, flat, and non-toxic. Treating injury, reinforcing vacuum win, removing cold and heat evil, reinforcing middle, benefiting the strength, long muscles, strong Yin. Long service, the eyes, and ears are wise, and the body is not hungry. The Jataka. The main head and face travel wind, head wind eye glare, under qi, stop back pain, cure vacuum and win thin, fill five zang, remove vexation and heat. Don't record it. Make up for five pains and seven injuries, to cold wind, calm the mind, calm the soul, reinforcing the lack of heart qi, Kaida heart hole more things to remember. Screening rights. With strong muscles and bones, the master is forgetful. Daming. kidney qi, strengthening the spleen and stomach, stopping dysentery, removing phlegm and saliva, and moistening fur. Shizhen. Raw tamping, hard poison, can dissipate. Zhenheng.
Edible Value: Tubers are rich in starch and can be eaten as vegetables.
B. Efficacy of yam extract:
a. Daily use: Yam extract is the dried tuber of the herb Dioscorea through the use of professional technology to extract and process products, the extract has many uses, such as our daily life common yam powder, health products, and so on
b. Medical efficacy: In clinical practice, yam and its extract can be used to treat spleen deficiency syndrome, infantile diarrhea, infantile infectious diseases, diabetes, irritable bowel syndrome, chronic obstructive emphysema, tumor bleeding after breast cancer therapy, etc. It can also be used as yam capsule products, yam powder products, yam nutrition oral liquid, yogurt drinks, sake and other raw materials.
c. Health benefits: Yam extract can help people effectively inhibit the activity of enzymes that promote aging, which can help the body delay aging, and you should know that there is a kind of dopamine in yam, dopamine this substance is more important to the human body, it is a Substance used by the brain to transmit information. Yam extract is rich in saponins, which can be said to be very good for the human body, it can help people effectively reduce cholesterol and triglycerides, once there is high blood pressure and hyperlipidemia and other diseases s. Yam extract contains choline, which is the basis of acetylcholine, a neurotransmitter involved in learning and memory. Mainstream studies believe that the increase of acetylcholine content in the human body has a significant improvement in the symptoms of Alzheimer's disease. The starch saccharifying enzyme in yam extract is 3 times the content of radish, which can promote digestion and remove uncomfortable symptoms such as stomach distraction when eaten.
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