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Huang jing

Polygonatum kingianum coll. et Hemsl., Polygonatum sibiricum Red. Or Polygonatum cyrtonema Hua. According to the different shapes, xi called "rhubarb essence", "chicken head yellow essence", "ginger - shaped yellow essence". Spring, autumn two seasons of digging, remove fibrous roots, wash, put in boiling water slightly hot or steamed to the heart, dry.

Chinese pharmacopoeia:Huang jing

Pinyin:Huánɡ Jīnɡ

Alias:The tiger ginger


Source:
Polygonatum kingianum coll. et Hemsl., Polygonatum sibiricum Red. Or Polygonatum cyrtonema Hua. According to the different shapes, xi called "rhubarb essence", "chicken head yellow essence", "ginger - shaped yellow essence". Spring, autumn two seasons of digging, remove fibrous roots, wash, put in boiling water slightly hot or steamed to the heart, dry.


Properties:

Rhubarb essence: the tubercle is hypertrophic and fleshy, with a length of more than 10cm, a width of 3 ~ 6cm, and a thickness of 2 ~ 3cm. Surface light yellow to yellowish brown, with links, wrinkles and fibrous root scars, nodules on the side of the stem scars are disk - shaped, circular concave, protruding in the middle. Hard and tough, not easily broken, cutin section, light yellow to yellow brown. Micro - qi, sweet taste, chewing sticky.

Yellow essence of chicken head: it is shaped like a nodular curved column with a length of 3 ~ 10cm and a diameter of 0.5 ~ 1.5cm. Nodules 2 -- 4cm long, slightly conical, often branching; The surface is yellowish white or gray-yellow, translucent, with longitudinal wrinkles, round stem scars, 5 ~ 8mm in diameter.

Ginger - shaped yellow essence: long tubercle shape, length is different, constant tubercle connected. The surface is grayish yellow or yellowish brown, rough, with prominent disk-shaped stem marks on the upper side of the nodules, with a diameter of 0.8 ~ 1.5cm.

No medicine can be used for bitter taste.


Identification:

Cross section: rhubarb essence has a thick outer wall. There are many large mucous cells scattered among parenchyma, containing calcium oxalate needle bundles. Vascular bundle hashes, mostly of circumferential wood type.

Chicken head yellow essence, ginger - shaped yellow essence vascular bundles for the outer tough.


Processing:

Huang jing: remove impurities, wash, slightly moist, cut into thick slices, dry.

Yellow wine essence: take net huang jing, according to wine or wine steaming method stew (appendix Ⅱ D) or steamed stew, slightly dry, cut thick slices, dry. For every 100kg of huangjing, 20kg of yellow wine is used.


Sexual taste: gan, ping.

Classics: spleen, lung, kidney.

Functions and indications: tonifying qi and nourishing Yin, tonifying spleen, moistening lung, and tonifying kidney. Used for spleen and stomach weakness, body fatigue, mouth dry food, lung deficiency dry cough, blood deficiency, internal heat quench thirst.

Usage and dosage: 9 ~ 15g.

Storage: ventilated and dry place, mildew proof and moth proof.