A kind of quality detection method of big leaf jack
A quality inspection method and technology of large-leaf pounding, applied in measuring devices, instruments, scientific instruments, etc., can solve the problems of low recovery rate, complex preparation method of the test sample, high detection limit, short time, time saving and high detection limit. Labor cost, easy operation effect
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Embodiment 1
[0067] Embodiment 1: Detection
[0068] 1 Materials, equipment and reagents
[0069] 1.1 Materials:
[0070] Daye Qianjinba sample: from Guangxi, sampling time is April 20, 2014.
[0071] Reference substance: Genistein (for content determination, batch number: MUST-120220707) was purchased from Beijing Hengyuan Qitian Chemical Technology Research Institute; genistein (for content determination, batch number 111704-200501) was purchased from China Pharmaceutical Biological Testing institute.
[0072] Control medicinal materials: purchased from China National Institutes for Food and Drug Control, specification: 2.5g.
[0073] 1.2 Equipment
[0074] AgilentThchnologies1200series high performance liquid chromatography (Agilent Technologies Co., Ltd.);
[0075] AB204-S 1 / 100,000 electronic analytical balance (German Mettler-Toledo Instrument Co., Ltd.);
[0076] KQ5200DE CNC ultrasonic cleaner (Kunshan Ultrasonic Instrument Co., Ltd.);
[0077] FZ102 miniature plant pulveriz...
Embodiment 2
[0190] 1. Comparative example 1: Take 2 g of the Daye Qianjinba medical material powder (through No. 4 sieve) in the present invention, prepare the test solution according to the preparation method of the test solution in CN201410015559.1 content of the invention, and press CN201410015559. 1 The content of genistin and genistein is determined by the chromatographic conditions in the summary of the invention.
[0191] 2. Get 2 g of Daye Qianjinba medical material powder (crossing No. 4 sieve) in the present invention according to the preparation method of the test solution in the embodiments of the present invention (method one, method two, method three, method four, method five, method Six, method seven, method eight, method nine) Prepare the test solution, and measure the content of genistin and genistein according to the chromatographic conditions in the content of the invention of CN201410015559.1.
[0192] The experimental results are shown in Table 9:
[0193] Table 9 Co...
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