Introduction of Di Gu Pi:Chinese Wolfberry Bark or Cortex Lycii.

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:Herbs Clearing Heat and Cooling the Blood.

 TCM Herbs Icon05 Introduction: Herbs Clearing Heat and Cooling the Blood: an agent or substance herbs that has the effect of eliminating pathological heat from the nutrient and blood systems in cases of warm diseases marked by fever accompanied by delirium, eruptions and bleeding symptoms, and also in other diseases with bleeding due to heat in the blood.

Cortex Lycii(Chinese Wolfberry Bark).

Chinese Wolfberry Bark:plant and herb Pin Yin Name: Dì Gǔ Pí.
 English Name: Chinese Wolfberry Bark.
 Latin Name: Cortex Lycii.
 Property and flavor: cold, sweet.

 Brief introduction: The herb Cortex Lycii is the dried root-bark of Lycium chinense Mill. Or Lycium barbarum L.(family Solanaceae), used for treating chronic fever and hemoptysis in cases of consumptive diseases, and also for diabetes. The herb is commonly known as Cortex Lycii, Chinese Wolfberry Bark, Dì Gǔ Pí.

 Botanical source: The herb Cortex Lycii(Chinese Wolfberry Bark) is the dried root-bark of Lycium chinense Mill. Or Lycium barbarum L., they are plants of the Lycium genus, the Solanaceae(nightshades) family of the Solanales order.

(1).Lycium chinense Mill.

 Lycium chinense Mill.:growing trees Botanical description: The Lycium chinense Mill., is commonly known as "Gou Qi", is a plant of the Solanaceae(nightshades) family and Lycium genus. It is sprawl shrubs, up to 1 meter remaining. Branches slender, young branches angular, sheath gray, glabrous, usually with short spines, born in leaf axils, about 5 cm long. Leaves alternate or several clusters; leaf ovate diamond-shaped ovate-lanceolate, 2~6 cm long, 0.6~2.5 cm wide, apex acute or obtuse, base narrowly cuneate, entire, both sides glabrous. Flowers axillary, usually solitary or digitally fasciculate: calyx campanulate, 3~4 mm long, apex 3-5-lobed; corolla funnel-shaped, tube conspicuously constricted and then gradually enlarged upward, ca. 5 mm, apex 5 Fission, lobes long ovate, a few times the length of the tube, purple, margin with sparsely hairy, tube staminate with a pubescent hair slightly above the birthplace; 5 stamens, with corolla, anther T shaped living, 2 rooms, Filaments usually extending; pistil 1, ovary oblong, style fine, stigma capitate. Berry ovate or oblong, 0.5~2 cm long, 4~8 mm in diameter, dark red or orange. Most seeds, kidney-shaped and flat, brown. It is flowering from June to September, fruiting from July to October.

 Growth characteristics: The Lycium chinense grows on slopes, in fields, or hilly areas. It distributes in most areas of China.

 Chinese Wolfberry Bark:herb photo Characters of herbs: The herb is tubular or grooved, 3~10 cm long, 0.5~1.5 cm wide and 0.1~0.3 cm thick. The outer surface is grayish yellow to brownish yellow, rough, with irregular longitudinal cracks, easy to fall off. The inner surface is yellowish white to grayish yellow, more flat, with fine longitudinal grain. The body is light, brittle, easy to break, the fracture surface is not flat, the outer layer is yellow brown, the inner layer is grey white. Smells slight, taste light sweet and then bitter.

 Pharmacological actions: ①.the decoction can inhibit typhoid bacilli, Paratyphoid A, and Dysentery fretella, and can significantly improve the IL-2 deficiency of mouse spleen cells caused by cyclophosphamide; ②.a strong antipyretic effect; ③.antihypertensive effect; ④.lowering blood sugar, lowering blood fat and stimulating the uterus.

 Medicinal efficacy: Cool blood in reduce steaming, clear lung and down bear fire, clear deficiency heat, purging lung fire, cool blood. It is indicated for Yin deficiency and hectic fever, Yin deficiency and consumptive heat, bone steaming and night sweat, lung heat and cough, infantile malnutritional stagnation and fever, vomiting blood, hemoptysis, epistaxis, hematuria, endogenous heat and consumptive thirst.

 Administration of Cortex Lycii(Dì Gǔ Pí): 
Reference: Administration Guide of Cortex Lycii(Dì Gǔ Pí)
TCM Books: Internally:9~15 grams(CP),Internally:water decoction, 3~6 qian(about 9~18 grams), or prepare to pill,powder.Externally:mouth wash with water decoction,drip washing,grinded into powder and apply stick(DCTM),Internally:water decoction, 9~15 grams, big dosage could be 15~30 grams(CHMM).
 Contraindications,Precautions and Adverse Reactions: the herb Cortex Lycii should avoid ironware during preparation.

(2).Lycium barbarum L.

 Lycium barbarum L.:fruiting tree Botanical description: The Lycium barbarum L., is commonly known as "Ningxia Gou Qi", or "Ningxia Wolfberry", is a plant of the Solanaceae(nightshades) family and Lycium genus. Shrubs or grow into small trees after cultivation, up to 2 to 3 meters. The main branch number, thick, fruiting branches slender; skin pale gray, spiny branch short and thin, was born in leaf axils, 1~4 cm long. Leaves alternate, or a few clusters of short branches; petiole short; leaf narrowly oblanceolate, ovate-lanceolate or ovate oblong, 2~8 cm long, 0.5~3 cm wide, apex pointed, base wedge or narrowly cuneate extending petiole down, entire, dark green above, below pale green, glabrous. Flowers axillary, usually 1 to 2 clusters, or 2 to 5 clusters grow in the short branches; calyx bell-shaped, 4~5 mm long, apex 2 to 3 parts; corolla funnel-shaped, about 8 mm tube length, the first 5 Fission, lobes ovate, ca. 5 mm; pink or purplish red, with dark purple veins, stamens on the tube above the birth of a round of pilose; 5 stamens; 1 pistil, ovary oblong, 2 rooms, Style linear, stigma capitate. Berry oval, oval or broadly ovate, 8~20 mm long, 5~10 mm in diameter, red or orange-red. Most seeds, nearly kidney-shaped and flattened. Its flowering period is from May to October, fruiting from June to October.
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  • 1.Introduction of Di Gu Pi:Chinese Wolfberry Bark or Cortex Lycii.
  • 2.TCM Books:DCTM(Dictionary of the Chinese Traditional Medicine),CHMM(Chinese Herbal Materia Medica).

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