Rhizoma drynariae crude product and UPLC fingerprint spectrum construction and identification method thereof
A construction method and technology of fingerprints, which are applied in the field of detection and identification of processed traditional Chinese medicine, to achieve the effect of wide application range, comprehensive detection means, and good reproducibility
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0120] Embodiment 1, the construction of UPLC fingerprint of bone dry tonic product
[0121] 1. Test method
[0122] 1.1 Preparation of reference solution
[0123] Precisely weigh the appropriate amount of 5-hydroxymethylfurfural reference substance, protocatechuic acid reference substance, new erionthidrin reference substance, and naringin reference substance, add methanol to make each 1mL contain 5-hydroxymethylfurfural 615.34μg, A solution of 280.12 μg of protocatechuic acid, 257.54 μg of eriodinin, and 297.67 μg of naringin was shaken to obtain a mixed reference solution.
[0124] 1.2 Chromatographic conditions
[0125] Octadecylsilane-bonded silica gel was used as filler, methanol was used as mobile phase A, and 0.05% phosphoric acid aqueous solution was used as mobile phase B to carry out gradient elution with a flow rate of 1.0 mL / min, column temperature of 30°C, and identification wavelength of : 0min~11min, 283nm; 11min~20min, 260nm; 20min~30min, 283nm; 30min~39min...
Embodiment 2
[0142] Embodiment 2, the construction of the UPLC fingerprint spectrum of dried drynariae sand scalding processed products
[0143] 1. Test method
[0144] 1.1 Preparation of reference solution
[0145] Precisely weigh the appropriate amount of 5-hydroxymethylfurfural reference substance, protocatechuic acid reference substance, new erionthidrin reference substance, and naringin reference substance, add methanol to make each 1mL contain 5-hydroxymethylfurfural 615.34μg, A solution of 280.12 μg of protocatechuic acid, 257.54 μg of eriodinin, and 297.67 μg of naringin was shaken to obtain a mixed reference solution.
[0146] 1.2 Chromatographic conditions
[0147] Octadecylsilane-bonded silica gel was used as filler, methanol was used as mobile phase A, and 0.05% phosphoric acid aqueous solution was used as mobile phase B to carry out gradient elution with a flow rate of 1.0 mL / min, column temperature of 30°C, and identification wavelength of : 0min~11min, 283nm; 11min~20min,...
Embodiment 3
[0165] Embodiment 3, the construction of drynaria rhizome microwave-processed product UPLC fingerprint
[0166] 1. Test method
[0167] 1.1 Preparation of reference solution
[0168] Precisely weigh the appropriate amount of 5-hydroxymethylfurfural reference substance, protocatechuic acid reference substance, new erionthidrin reference substance, and naringin reference substance, add methanol to make each 1mL contain 5-hydroxymethylfurfural 615.34μg, A solution of 280.12 μg of protocatechuic acid, 257.54 μg of eriodinin, and 297.67 μg of naringin was shaken to obtain a mixed reference solution.
[0169] 1.2 Chromatographic conditions
[0170] Octadecylsilane-bonded silica gel was used as filler, methanol was used as mobile phase A, and 0.05% phosphoric acid aqueous solution was used as mobile phase B to carry out gradient elution with a flow rate of 1.0 mL / min, column temperature of 30°C, and identification wavelength of : 0min~11min, 283nm; 11min~20min, 260nm; 20min~30min,...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com