Fingerprint detection method of licorice juice-roasted Ligustrum lucidum
The technology of a fingerprint and detection method is applied in the fingerprint detection method and the field of fingerprints of licorice juice-roasted Ligustrum lucidum, which can solve the problems of no clear regulations on process conditions and quality standards, lack of process parameters, etc., and achieve a simple and convenient method. Optimized processing technology, good reproducible effect
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Embodiment 1
[0043] Instruments used in the following examples
[0044] Shimadzu LC-20AB high performance liquid chromatography system from Shimadzu, Japan, including online degasser, automatic sampler Prominence SIL-20A, diode array detector SPD-M20A and column thermostat CTO-20A; ME204E electronic analytical balance (Mei Teller-Toledo International Co., Ltd., accurate to 1 / 100,000); BSM220.4 analytical balance (Shanghai Zhuojing Company, accurate to 1 / 10,000); GVS ultrasonic cleaner (Shenzhen Gowell Technology Co., Ltd. Company); TGL-16C high-speed desktop centrifuge (Shanghai Anting Scientific Instrument Factory).
[0045] The reagents used in the following examples are as follows: the standard product for the analysis of privetin (batch number 5937, with a purity of 99.5%) was purchased from Shanghai Shidande Standard Technology Service Co., Ltd. Liquiritin (batch number 111610-200604) and ammonium glycyrrhizinate (batch number 110731-201619) reference substances were purchased from C...
Embodiment 2
[0063] The methodological research of embodiment 2 fingerprint spectrum detection:
[0064] 1. Methodological investigation
[0065] 1.1 Inspection of precision
[0066] Get batch number and be 181202 the licorice juice juice broiled Ligustrum lucidum sample, according to the preparation method of the test sample of the above-mentioned embodiment 1, prepare the test sample solution, continuous sampling 6 times, each injection volume 10 μ L, according to the above-mentioned embodiment 1 Chromatographic conditions detection, determination of its HPLC chromatogram, investigation of 6 common fingerprint peaks in the chromatogram, the results show that the retention time RSD of the common fingerprint peaks is less than 1.9%, and the common peak area RSD is less than 1.7%, indicating that the instrument is precise The degree is better.
[0067] 1.2 Stability investigation
[0068] Get batch number and be 181202 the licorice juice Zhizi decoction piece sample that broils, prepare ...
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