Method for detection of three components including chlorogenic acid in edelweiss edelweiss or its processed products
A detection method and edelweiss technology are applied in the field of detection of three components such as chlorogenic acid in edelweiss or its processed products, and can solve problems such as no reports on chemical components of edelweiss.
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Embodiment 1
[0043] Example 1 Pre-experimental research on the UPLC detection method of the present invention——Determination of the content of total flavonoids in Edelweiss edulis
[0044] 1 Materials and methods
[0045] 1.1 Materials
[0046] The samples of edelweiss for the test were collected on July 2 and September 24, 2013 in the Hongyuan Grassland of the Qinghai-Tibet Plateau Research Base of Southwest University for Nationalities, and were identified by Professor Liu Yuan of the Institute of National Medicine of Southwest University for Nationalities. Wash the sample with ultrapure water, dry it in the sun, dry it in a 60°C electric constant temperature blast drying oven, crush it, and pass it through a No. 4 sieve to obtain edelweiss edelweiss powder.
[0047] 1.1.2 Main reagents
[0048] Absolute ethanol, sodium nitrite, aluminum nitrate, sodium hydroxide, etc. were domestic analytically pure; the reference substance of rutin was purchased from Chengdu Master Biological Technolog...
Embodiment 2
[0090] Embodiment 2 The UPLC detection method of chlorogenic acid, caffeic acid and luteolin of the present invention
[0091] 1. Materials and reagents
[0092] 1.1 Instrument
[0093] Waters Acquity H-Class ultra-high performance liquid chromatography (Waters, USA); Milli-Q ultra-pure water machine (Millipore, USA); DHG-9246A electric constant temperature blast drying oven (Shanghai Jinghong Experimental Equipment Co., Ltd.); JY- 02 Multifunctional pulverizer (Yongkang Haohan Industry and Trade Co., Ltd.); METTLER TOLEDO TYPE AE240S electronic analytical balance (Mettler-Toledo Instruments (Shanghai) Co., Ltd.); KQ-5200E ultrasonic cleaner (40kHz, 250W, Kunshan Ultrasonic Instrument Co., Ltd.).
[0094] 1.2 Reagents
[0095] Chlorogenic acid reference substance (lot number: MUST-14091701, Chengdu Mansite Biotechnology Co., Ltd.); caffeic acid reference substance (lot number: MUST-14100803, Chengdu Mansite Biotechnology Co., Ltd.); luteolin reference substance (lot numb...
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