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    Home > Chemicals Industry > Chemical Technology > Identification of Ligusticum chuanxiong

    Identification of Ligusticum chuanxiong

    • Last Update: 2022-06-19
    • Source: Internet
    • Author: User
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    Chuanxiong RHIZOMA

    [Source] This product is the dried rhizome of Ligusticum chuanxiong Hort


    [Properties] This product is an irregular nodular fist-shaped mass with a diameter of 2-7cm


    [Microscopic identification] Cross section of this product: Cork layer is more than 10 rows of cells


    The powder is yellowish brown or grayish brown



    【Character identification characteristics】

    (1) It is irregular nodular fist-shaped mass with yellowish brown surface, rough and shrunken


    (2) There are a lot of parallel uplifted wheel segments, with a concave-like round stem mark on the top


    (3) The section is yellow-white or gray-yellow, with yellow-brown oil chambers scattered, and the cambium ring is wavy


    【Microscopic identification features】

    (1) The cork layer consists of more than 10 rows of cells


    (2) The cortex is narrow, with scattered root traces and vascular bundles, and the cambium is obvious


    (3) The xylem duct is polygonal or round-like, with wood fiber bundles occasionally


    (4) There are many oil chambers scattered in the parenchyma, which are round, oval or irregular in shape


    (5) The parenchyma cells are rich in starch granules


    (6) Calcium oxalate crystals are round-like masses or cluster-like crystals


     

     

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