Method for establishing Anoectochilus roxburghii fingerprint, and Anoectochilus roxburghii fingerprint and Anoectochilus formosanus Hay fingerprint
A technology of fingerprint spectrum and establishment method, which is applied to the fingerprint spectrum of Fujian clematis and Taiwan clematis, and the establishment of clematis fingerprints, can solve the problems of inability to accurately identify and evaluate the quality of clematis medicinal materials, and achieve relative Stable retention time, quality control, and good method precision
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Embodiment 1
[0073] Establish fingerprints of A. roxburghii:
[0074] (1) Take 4 batches of authentic Fujian Clematis clematis tissue culture products to prepare the test solution, specifically: respectively accurately weigh 0.2 g of the fine powder of the above test product and place it in a stoppered Erlenmeyer flask. Add 20mL of methanol, seal it tightly, weigh it accurately, and after ultrasonic treatment for 45 minutes, let it cool to room temperature, make up the lost weight with methanol, shake well, take the supernatant after centrifugation for 10 minutes, and pass the supernatant through 0.25μm Membrane filtration obtains the test solution;
[0075] (2) Chromatographic conditions: chromatographic column is Aglient Extend C18 (4.6×250mm, 5μm); elution method: use gradient eluent composed of 0.4% phosphoric acid and methanol as mobile phase for gradient elution; column temperature: 30°C ;Ultraviolet detection: detection wavelength is 316nm; flow rate: 1.0mL / min; the gradient elutio...
Embodiment 2
[0095] (1) The establishment of the fingerprint of the test product includes the following steps:
[0096] a Preparation of the test solution: take Fujian clematis (pointed leaf) tissue culture product, Fujian clematis (round leaf) tissue culture product, Fujian clematis (big leaf) wild product, Fujian clematis ( Small leaf) wild product, commercially available clematis counterfeit 1, commercially available clematis counterfeit 2, commercially available clematis counterfeit 3, commercially available clematis counterfeit 4 and commercially available variegated leaf orchid for testing The preparation of the solution is specifically: respectively accurately weigh 0.2 g of the fine powder of the above-mentioned test product and place it in a stoppered Erlenmeyer flask, accurately add 20 mL of methanol, seal it tightly, accurately weigh it, and after ultrasonic treatment for 45 minutes, let it cool to room temperature , make up the lost weight with methanol, shake well, take the su...
Embodiment 3
[0105] Establish fingerprints of A. taiwanensis:
[0106] (1) Take 4 batches of authentic Taiwan clematis to prepare the test solution, specifically: respectively accurately weigh 0.2 g of the fine powder of the above test product and place it in a stoppered Erlenmeyer flask, and precisely add 20 mL of methanol , densely packed, accurately weighed, after ultrasonic treatment for 45 minutes, let cool to room temperature, make up for the lost weight with methanol, shake well, take the supernatant after centrifugation for 10 minutes, and filter the supernatant through a 0.25 μm filter membrane , to obtain the test solution;
[0107] (2) Chromatographic conditions: chromatographic column is Aglient Extend C18 (4.6×250mm, 5μm); elution method: use gradient eluent composed of 0.4% phosphoric acid and methanol as mobile phase for gradient elution; column temperature: 30°C ;Ultraviolet detection: detection wavelength is 316nm; flow rate: 1.0mL / min; the gradient elution program is car...
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