Glossy privet fruit fingerprint spectrum detection method
A fingerprint and detection method technology, applied in the field of traditional Chinese medicine detection, can solve problems such as the inability to reflect the integrity of traditional Chinese medicine, and achieve the effect of simple method, high precision and good reproducibility
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Embodiment 1
[0040] Instruments used in the following examples
[0041]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).
[0042] The reagents used in the following examples are as follows: privetin analysis standard substance (lot number 5937, purity 99.5%), salidroside reference substance (lot number 4256, purity 99.7%), tyrosol reference substance (lot number 1487, purity 99.7%) All were purchased from Shanghai Shidande Standard Technology Service Co., Ltd. Reference substances of rutin, que...
Embodiment 2
[0061] The methodological research of embodiment 2 fingerprint spectrum detection:
[0062] 1. Methodological investigation
[0063] 1.1 Inspection of precision
[0064] Get the wine Ligustrum lucidum with batch number 180509, according to the preparation method of the test sample in the above-mentioned embodiment 1, prepare the test sample solution, continuously sample 6 times, each sample injection volume is 10 μ L, detect according to the chromatographic conditions of the above-mentioned embodiment 1 , measure its HPLC chromatogram, investigate 10 common fingerprint peaks in the chromatogram, the results show that the retention time RSD of common fingerprint peaks is all less than 2.5%, and the common peak area RSD is all less than 2.6%, indicating that the precision of the instrument is better .
[0065] 1.2 Stability investigation
[0066] Get batch number and be the wine Ligustrum lucidum 180509, prepare need testing solution according to the need testing sample prepa...
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