Introduction of Sang Bai Pi:White Mulberry Root-bark or Cortex Mori.

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:Antitussives Herbs.

 TCM Herbs Icon02 Introduction: Antitussives herbs: an agent or substance herbs that stops coughing.

Cortex Mori(White Mulberry Root-bark).

Morus alba L. Pin Yin Name: Sāng Bái Pí.
 English Name: White Mulberry Root-bark.
 Latin Name: Cortex Mori.
 Property and flavor: cold, sweet.

 Brief introduction: The herb Cortex Mori is the dried root-bark, deprived of the external brown corky part, of Morus alba L.(family Moraceae), used (1).to purge the lung and relieve dyspnea for treating lung heat with cough and dyspnea, and (2).to induce diuresis in cases of edema. The herb is commonly known as Cortex Mori, White Mulberry Root-bark, Sāng Bái Pí.

 Botanical source: The herb Cortex Mori(White Mulberry Root-bark) is the dried root-bark of Morus alba L., it is a plant of the Morus genus, the Moraceae(mulberry family or fig family) of the Rosales order.

 Morus alba L.Tree (1).Morus alba L.:
 Botanical description: The Morus alba L., is a plant of the Moraceae family and Morus genus, it is commonly known as "Mulberry Tree" or "White Mulberry", or "Sang Shu", deciduous shrubs or small trees, 3~15 meters high. The bark is brownish-brown, branches gray or gray-yellow, sparsely sparse, shallowly longitudinally divided, slightly pilose when tender. Leaves alternate, ovate to broadly ovate, 6~15 cm long and 4~12 cm wide. Tip or blunt, base round or near heart-shaped, coarse teeth on the edge, above the hairless, shiny, green below, veins with sparse hairs, hairy veins; petiole length 1~2.5 cm. Dioecious, bone inflorescence axillary; male inflorescence caducous; female inflorescence length 1~2 cm, style is not obvious or no, 2 stigmas. The leaves are oval, broadly ovate, and heart-shaped. They are about 15 cm long, about 10 cm wide, and about 4 cm in length. The base of the leaf blade is heart-shaped, slightly apical at the apex, serrated at its edge, and densely covered with white pilose leaves. Old thick yellow-green leaves. The young leaves are thin and dark green. Crisp and brittle, grip the hands. It is light and slightly bitter. Medicinal use is generally considered to be good after the frost. The poly fruit (mulberry) is dark purple, red or milky when cooked. The tree is flowering from April to May and fruiting from June to July.

 Growth characteristics: The mulberry tree has strong adaptability, anti-pollution, anti-wind, salt-alkali resistance. It mainly distributes in the middle reaches area of the Yellow River, the middle and lower reaches area of the Yangtze River.

 Characters of herbs: Dry root cortex is often long and twisted in the form of a plate, or the two sides curl inward and form the shape of a groove. The length and width vary, 1~5 mm thick. The outer surface is light yellow or near white, have a few brownish yellow or reddish yellow spots, more flat, have a longitudinal crack, and sparse fiber. The inner surface is yellowish-white or grayish-yellow, smooth, with fine longitudinal grain, or longitudinally split, revealing fibers. The herb is light, tough, hard to break, easy to crack longitudinally, once broken then white dust flies out. It has a slight bean smell, sweet taste, slightly bitter.

 Pharmacological actions: ①.Antihypertensive effect: oral decoctions of mulberry root cortex or mulberry branch cortex have an antihypertensive effect. The alcohol extract of white mulberry root-bark has an antihypertensive effect not only on the administration of anesthetized animals' duodenum, but also on the administration of hypertensive animals by gavage. ②.Effects on the cardiovascular system: The extract of white mulberry root-bark can inhibit the heart of the isolated frog, dilate the blood vessels in rabbit ears, and contractile the blood vessels in frog lower limbs. These effects can be blocked by atropine. ③.Diuretic and cathartic effects: The water extract of white mulberry root-bark or n-butanol extract was given to rats by gavage or intraperitoneal injection, and the decoction of white mulberry root-bark given to rabbits by oral administration, both have diuretic effects, with increased urine output, Na+(sodium ion), K+(potassium ion) and chloride excretion. The mice were given water extract by gavage, and the liquid feces could be discharged, indicating its cathartic effect.

 Medicinal efficacy: Removing heat from the lung and relieving asthma, inducing diuresis to alleviate edema, indicated for lung heat dyspnea cough, edema and distension fullness, oliguria(abnormally small amount of urine), facial and skin edema.

 Administration of Cortex Mori(Sāng Bái Pí): 
Reference: Administration Guide of Cortex Mori(Sāng Bái Pí)
TCM Books: Internally:6~12 grams(CP), or water decoction, 2~5 qian(about 6~15 grams), or prepared into powder;Externally:proper amount, extract to juice and apply, or wash with water decoction(DCTM), or 9~15 grams, water decoction; grinded to fine powder and prepared to powder.Externally:proper amount, extract to juice and apply, or wash with water decoction(CHMM).

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  • 1.Introduction of Sang Bai Pi:White Mulberry Root-bark or Cortex Mori.
  • 2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).

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