Method for simultaneously identifying components of rhizoma coptidis and cortex phellodendri and application of method
A technology of Cortex Phellodendron and Coptis chinensis, applied in the field of simultaneous identification of Coptis chinensis and Phellodendron phellodendron, can solve problems such as identification of phellodendron cortex, achieve high accuracy, save time and cost, and achieve uniform quality
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[0089] (1) Preparation of Danggui Liuhuang Decoction: According to the mass ratio of Danggui, Rehmannia glutinosa, Rehmannia glutinosa, Scutellaria baicalensis, Coptis chinensis, Cortex Phellodendron and Astragalus membranaceus in a mass ratio of 1:1:1:1:1:1:1:2, weigh Danggui, rehmannia glutinosa, rehmannia glutinosa, Rehmannia glutinosa, Scutellaria baicalensis, Coptis chinensis, Cortex Phellodendron, and Astragalus membranaceus, mixed, crushed into coarse powder, added 20 times the amount of water (the amount refers to the number of milliliters of water added to each gram of medicinal materials), and decocted until the volume of the medicinal liquid is half of the volume of water added , filtered to obtain Angelica Liuhuang Decoction.
[0090] (2) Preparation of Danggui Liuhuang Decoction substance reference material: Danggui Liuhuang Decoction was prepared according to the above method, dried to obtain Danggui Liuhuang Decoction substance reference substance powder.
[009...
Embodiment 1
[0097] The present embodiment provides a method for simultaneously identifying components of Coptis Rhizoma and Phellodendron Phellodendri, comprising the following steps:
[0098] (1) Preparation of solution
[0099] Preparation of the test solution: Take 2 g of the reference material powder of Danggui Liuhuang Tang, add 20 ml of methanol, ultrasonically treat for 30 minutes, filter, and the filtrate is used as the test solution.
[0100] Preparation of reference medicinal solution: Take 2 g of Coptidis Rhizoma and Phellodendron Phellodendri as reference medicinal materials, add 20 ml of methanol respectively, ultrasonically treat for 30 minutes, and filter to prepare Coptis Rhizoma and Phellodendron Phellodendron reference medicinal solution respectively.
[0101] Negative control solution preparation: take Coptidis single-negative test powder, Phellodendron single-negative test powder, and Coptidis Phellodendron double-negative test powder 2g, respectively add 20ml of metha...
Embodiment 2
[0108] The present embodiment provides a method for simultaneously identifying components of Coptis Rhizoma and Phellodendron Phellodendri, comprising the following steps:
[0109](1) Preparation of solution
[0110] Preparation of the test solution: take Angelica Liuhuang Decoction, dry it to obtain a powder, take 2 g of the powder and add 20 ml of methanol, sonicate for 20 minutes, filter, and the filtrate is used as the test solution.
[0111] Preparation of the reference medicinal material solution: take 2 g of the reference medicinal materials Coptidis Rhizoma and Phellodendron Phellodendri, and prepare the reference medicinal material solution according to the above-mentioned "preparation of the test sample solution".
[0112] Preparation of negative control solution: Take 1 g of Coptidis single-negative, Phellodendron single-negative test powder, and Coptis Phellodendron double-negative test powder, and prepare a negative control solution according to the above-mentione...
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