Method for detecting cetilistat in weight-losing health-care product
A new technology of lisstat and health care products, applied in the direction of measuring devices, instruments, scientific instruments, etc., to achieve the effect of simple pretreatment process, broad application prospects, and short time consumption
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
specific Embodiment
[0119] The embodiments of the present invention will be described in detail below with reference to the examples. It should be understood that these examples are only used to illustrate the present invention and not to limit the scope of the present invention. In the following examples, the experimental methods that do not indicate specific conditions, preferably refer to the guidelines given in the present invention, and can also follow the experimental manuals or conventional conditions in the field, and can also follow the conditions suggested by the manufacturer, or refer to the existing conditions in the art. known experimental methods.
[0120] In the following specific examples, the measurement parameters related to raw material components may have slight deviations within the range of weighing accuracy unless otherwise specified. Involves temperature and time parameters, allowing acceptable deviations from instrument test accuracy or operational accuracy.
Embodiment 1
[0121] Embodiment 1, carry out recovery test to sugar-free black coffee beverage sample
[0122] 1 Reagents and Materials
[0123] Unless otherwise specified, the reagents used are all analytically pure; the water is first-grade water in accordance with GB / T 6682.
[0124] Acetonitrile: chromatographically pure.
[0125] Methanol: chromatographically pure.
[0126] Ammonium acetate: analytical grade.
[0127] Orlistat standard (cas number: 96829-58-2, molecular formula: C 29 H 53 NO 5 ): purity ≥95%.
[0128] Rimonabant standard (cas number: 168273-06-1, molecular formula: C 22 H 21 C l3 N 4 O): Purity ≥ 95%.
[0129] New Lilistat (cas number: 282526-98-1, molecular formula: C 25 H 39 NO 3 ): purity ≥95%.
[0130] Information about orlistat, rimonabant, and new orlistat is as follows:
[0131] Table 1. Chinese name, English name, CAS number, molecular formula, relative molecular mass and structural formula of three compounds
[0132]
[0133] 2 Preparation ...
Embodiment 2
[0185] Embodiment 2, carry out standard addition recovery test to compressed candy sample
[0186] 1 Reagents and Materials
[0187] Refer to Example 1.
[0188] 2 Preparation of reference solution
[0189] Refer to Example 1.
[0190] 3 Pretreatment of samples
[0191] ①Accurately weigh 5g (accurate to 0.01g) of the sample and place it in a beaker, add 10mL of 40°C-60°C warm water to fully dissolve the sample, and add a certain amount of orlistat, rimonabant and new orlistat (each The drug corresponds to 3 levels of addition, which are 0.05mg / kg, 0.15mg / kg, 0.50mg / kg) for standard addition recovery experiments;
[0192] ② Transfer the sample to a 50 mL volumetric flask, add 5 mL of methanol to dilute the sample, and use methanol to dilute the sample;
[0193] ③ Put the sample in the ultrasonic equipment for 30min to make the target fully dispersed in the target phase;
[0194] ④Place the ultrasonicated sample in a refrigerated centrifuge, centrifuge at 4000 rpm for 2 mi...
PUM
Property | Measurement | Unit |
---|---|---|
concentration | aaaaa | aaaaa |
diameter | aaaaa | aaaaa |
percent by volume | aaaaa | aaaaa |
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