Method for identifying true and false edible bird's nest

A bird's nest, true and false technology, applied in the direction of material analysis, measuring device, instrument, etc. by observing the impact on chemical indicators, can solve the problems of high identification cost, discounted practicability, high value, etc., and achieves a simple identification method. Effect

Inactive Publication Date: 2008-12-24
SHANGHAI QIBAO HIGH SCHOOL
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  • Abstract
  • Description
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Problems solved by technology

At present, there are existing methods for identification in the society, but these identification methods are either too simple and have poor accuracy, or require t

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  • Method for identifying true and false edible bird's nest

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Embodiment Construction

[0017] The identification method of true and false bird's nest of the present invention is briefly described below with real high-quality bird's nest, pigskin and agar commonly used by counterfeiters as samples.

[0018] Select high-quality bird’s nest, pigskin (scrape off the fat from the pigskin, wash it, put it in water and boil for 10 minutes, then put the pigskin in a drying box to dry, and then put it in a blender to stir until it is powdery), 0.1g each of agar Place them in containers respectively, add 10 mL of deionized water, soak for 24 hours, and make three sample solutions; take n-butanol, pyridine, 95% ethanol and water in a volume ratio of 5:1:1:1 to prepare a chromatographic liquid; take ninhydrin and acetone with a mass volume ratio of 0.5% to prepare an acetone solution of ninhydrin as a developer.

[0019] Cut out 3 pieces of filter paper that match the cylindrical area of ​​the chromatography cylinder, and each piece is prepared as follows: draw a line with ...

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Abstract

The invention provides an identification method for true and fake cubilose, which is characterized in that samples are prepared into a solution to carry out paper chromatography experiment; chromatographic solution with the volume ratio of 5:1:1:1 of normal butanol, pyridines, ethanol (95%) and water is selected and 0.5% of ninhydrin acetone solution is used for colouring; the cubilose sample solution presents purple punctum and the Rf value thereof is 0.57 by the detection; while the hogskin and agaragar of the fake cubilose has no display; therefore, the cubilose can be identified. The identification method for the true and fake cubilose is simple, convenient, quick and exact, and has little charges and extremely good practical values.

Description

technical field [0001] The invention relates to a method for identifying health food, in particular to a method for identifying true and false bird's nests. Background technique [0002] Protein is the material basis of life. The research of molecular biology has shown that protein not only plays an important role in the information and control of genetics, but also plays an important role in the permeability of cell membrane and the memory activity of higher animals. Since ancient times, bird's nest has been regarded as a high-end tonic and a world-renowned dish. In Hong Kong, a bowl of bird's nest soup with chrysanthemum, lemon and lotus seeds costs thousands of yuan. A bird's nest is a nest built by swifts, which are smaller than swallows. Swifts take whitebait from the sea, chew and mix it with saliva, and spit out the half-digested food to build their nests. Due to the small number of countries that produce bird's nest, and the difficulty and danger of picking, its pr...

Claims

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Application Information

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IPC IPC(8): G01N30/90G01N21/78
Inventor 井延涛唐逸如孙伟峰
Owner SHANGHAI QIBAO HIGH SCHOOL
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