Latin: turmeric
English name: turmeric
Page number: 2000 edition 1 -55
This product is the dried root of Curcuma wenyujin of Zingiberaceae.
Stem. After the stems and leaves wither in winter, dig, wash and remove the fibrous roots, cut thick slices when fresh, and dry them in the sun.
Morphological description of perennial herbs. The root is stout, the end is enlarged, and it grows into an oval root. Tubers are ovoid, lateral, cylindrical and yellow in section. Ye Jisheng; Petiole is about 5 cm long, petiole at the base is short, or subsessile, with auricles; The blade is oblong, with a length of 15 ~ 37 cm and a width of 7 ~ 10 cm, with a sharp tip and a round or triangular base. Spike, about13 cm long; The total length of pedicel is 7 ~15 cm; Leaf sheaths, broad elliptic bracts at the base, several small flowers, born in bracts, narrow bracts at the top, and no flowers in axils; Calyx white tubular, irregularly 3-dentate; Corolla tube is funnel-shaped, with 3 lobes, pink and white, with 1 larger lobes at the top and rectangular lobes on both sides; Lateral staminodes are oblong, connective, and filaments are flat and wide; Ovary covered, style filiform, smooth or sparsely hairy, with two rod-shaped appendages at the base, stigma slightly lipped and ciliate. The flowering period is from April to June, and it rarely blooms in autumn.
The ecological environment is distributed in Jiangsu, Zhejiang, Fujian, Guangdong, Guangxi, Sichuan and Yunnan.
Characteristics This product is rectangular or irregular, with different sizes, 3 ~ 6 cm long, 1 ~ 3~6cm wide and 0. 1 thick.
About 0.4 cm. The skin is grayish yellow, rough and shriveled, and sometimes links and fibrous roots can be seen. The section is yellowish white to brownish yellow, with one
Most of the small points of the circular line and tendon. Crispy and strong. This section is grayish white to brownish yellow, slightly silty. The smell is unique and the taste is slightly bitter.
It's cool.
Identification (1) Cross section of this product: epidermis remains, and the outer wall is slightly thick. Cork cells are arranged in multiple rows. There are scattered leaves in the cortex.
Vascular bundle; The inner cortex is obvious. The stele is large, the external vascular bundles are tough, and the vascular bundles near the outside are small and closely arranged, with only some xylem.
1 ~ 2 catheter, larger in the middle, accompanied by thin-walled fibers. There are scattered oil cells in cortex and stele parenchyma; leptodermous
Cells contain starch granules.
(3) Take 65438+/-0g of this product powder, add 5ml of petroleum ether (30 ~ 60℃), keep shaking for about 30min, filter and add filtrate.
Petroleum ether to 5ml, as the test solution. In addition, 65438 0 g turmeric was taken as the control medicinal material, and the control medicinal material solution was prepared by the same method. thin layer
Chromatographic test (Appendix ⅵ b): Absorb 2μl of the above two solutions, and spot them on the same silica gel G thin-layer plate, respectively, to
Using petroleum ether (30 ~ 60℃)- ethyl acetate (17:3) as developing agent, developing, taking out, air drying and spraying 1% vanillin sulfuric acid.
Heat the solution to 100℃ until the spots become clear. In the chromatogram of the test sample, in the position corresponding to the chromatogram of the control medicinal material, it is obvious
Spots of the same color.
The content was determined by volatile oil determination method (appendix ⅹ D A method).
The content of volatile oil in this product shall not be less than 65438 0.0% (ml/g).
Sexual taste, pungent, bitter and warm. Entering the liver and spleen meridians.
Indications: breaking blood, activating qi, dredging menstruation and relieving pain. It can be used for amenorrhea due to blood stasis, abdominal pain during menstruation, chest pain, and rheumatism.
Pain, shoulder and arm pain, traumatic injury.
Usage and dosage: 3 ~ 9g.
Pay attention to pregnant women with caution.
Store in a cool and dry place to prevent moths.