echemi logo
Product
  • Product
  • Supplier
  • Inquiry
    Home > Chemicals Industry > Chemical Technology > Identification of ginseng

    Identification of ginseng

    • Last Update: 2022-06-22
    • Source: Internet
    • Author: User
    Search more information of high quality chemicals, good prices and reliable suppliers, visit www.echemi.com

    Ginseng GINSENGRADlXETRHIZOMA

    [Source] This product is the dried roots and rhizomes of the Araliaceae plant ginseng PanaXginsengC.
    A.
    Mey

    .
    It is more excavated in autumn, washed and dried or dried

    .
    The cultivated ginseng is also called "garden ginseng"; the sown ginseng that grows naturally in the wild state of the mountain forest is also called "underforest ginseng", and is often called "seed sea"

    .

    [Properties] This product is fusiform or cylindrical, with a length of 3 to 15 cm and a diameter of 1 to 2 cm
    .
    The surface is gray-yellow, with sparse and intermittent thick horizontal lines and obvious vertical wrinkles on the upper part or the whole, and 2 to 3 roots on the lower part, and many slender fibrous roots, often with inconspicuous fine wart-like roots Protruding

    .
    The rhizome (reed head) is 1~4cm long and 0.
    3~1.
    5cm in diameter.
    It is constrained and curved, with adventitious roots (taro) and sparse concave stem marks (reed bowl) (Figure 18-1A)

    .
    It is hard in quality, yellow-white in cross section, powdery, cambium ring pattern is brownish yellow, and the skin has yellow-brown dotted resin channels and radial fissures

    .
    Special aroma, slightly bitter and sweet taste

    .

    Or the main root is almost the same length as the rhizome or shorter, and it is cylindrical, rhombic or herringbone, with a length of 1 to 6 cm
    .
    The surface is gray-yellow, with vertical wrinkles, with ring lines on the upper or lower part

    .
    The branch roots are mostly 2 to 3, and the fibrous roots are few and slender, clear and undisturbed, with obvious wart-like protrusions

    .
    The rhizomes are long and slender, with a few thick and short, with sparse or dense and deep-set stem marks in the middle and upper part

    .
    The adventitious roots are finer and more drooping

    .

    [Microscopic identification] Cross section of this product: the cork layer is a series of cells
    .
    The inner layer of the plug is narrow

    .
    There are fissures on the outside of the phloem, and the inner parenchyma cells are arranged tightly, and there are scattered resin channels with yellow secretions inside

    .
    The cambium forms a ring

    .
    The xylem has broad rays, the vessels are scattered individually or in several groups, arranged intermittently in a radial pattern, and there are occasional non-wood fibers beside the vessels

    .

    The powder is pale yellow and white, and the resin canal fragments are easy to see, and it contains yellow lumpy secretions
    .
    The diameter of calcium oxalate clusters is 20~68um, with sharp edges and corners

    .
    The surface of the cork cells is square or polygonal, and the wall is thinly wavy and curved

    .
    The diameter of reticulated duct and ladder duct is 10~56um

    .
    There are many starch granules, single granule like spherical, semi-circular or irregular polygonal shape, diameter 4-20um, umbilicus dot or crack-like; compound granule is composed of 2-6 granules (Figure 18-1B~D)

    .


    Figure 18-1 Ginseng

    A.
    Ginseng B.
    Ginseng cross section 1.
    Cork layer 2.
    Resin canal 3.
    Phloem bundle 4.
    Cambium 5.
    Catheter C.
    Resin canal D.
    Calcium oxalate cluster crystal

    【Character identification characteristics】

    (1) The main root is spindle-shaped or cylindrical, with a grayish-yellow surface, with sparse and intermittent thick horizontal lines and obvious longitudinal wrinkles
    .

    (2) There are 2 to 3 branches in the lower part of the main root
    .

    (3) Adventitious root (taro) is growing on the rhizome
    .

    (4) The fibrous roots grow on the branch roots, which are small, slender, clear and undisturbed, and often have obvious wart-like protrusions
    .

    (5) The rhizome (reed head) tends to be constrained and bent
    .

    (6) The stem mark (reed bowl) is in the shape of a dimple on the rhizome
    .

    (7) The cross-section is yellowish-white, powdery, and the cambium ring pattern is brownish-yellow
    .

    【Microscopic identification features】

    (1) The cork layer is a series of cells
    .

    (2) The cortex is narrow
    .

    (3) The fissure is outside the phloem
    .

    (4) The parenchyma cells on the inner side of the phloem are arranged tightly, and there are scattered resin channels
    .

    (5) The resin canal contains yellow secretions
    .

    (6) The cambium forms a ring
    .

    (7) The xylem has broad rays, the vessels are scattered individually or in several groups, arranged intermittently in a radial pattern, and there are occasional non-wood fibers beside the vessels
    .

    (8) Parenchyma cells contain clusters of calcium oxalate
    .

    Related links: Sub-packaging and supply of Chinese medicine reference materials-supply and distribution

     

     

    This article is an English version of an article which is originally in the Chinese language on echemi.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to service@echemi.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

    Related Articles

    Contact Us

    The source of this page with content of products and services is from Internet, which doesn't represent ECHEMI's opinion. If you have any queries, please write to service@echemi.com. It will be replied within 5 days.

    Moreover, if you find any instances of plagiarism from the page, please send email to service@echemi.com with relevant evidence.