Brittleness grading method for crisped grass carp based on living body detection

Abstract

The invention relates to a brittleness grading method for crisped grass carp based on living body detection, comprising the following steps of: (1) collecting blood samples of crisped grass carp fromdifferent embrittlement stages and blood samples and muscle samples of grass carp in the same batch, pretreating the muscles, and tasting and identifying the brittleness level; (2) detecting alkalinephosphatase activity, complement C3 content, and lymphocyte content in blood samples of blood samples, and establishing a blood index database of crisped grass carp mites; (3) Establishing a non-standardized Bayes discriminant function based on blood indicators; (4) using the Bayes discriminant function to determine the brittleness level of the muscles of the crisped grass carp to be determined. The brittleness grading method for crisped grass carp based on living body detection realizes a method for detecting the brittleness of crisped grass carp by live fish, which can reflect and evaluate the embrittlement effect of crisped grass carp with objective and high accuracy without killing fish.

Description

technical field [0001] The invention relates to a method for grading the brittleness of crispy carp, in particular to a method for grading the brittleness of crispy carp based on living body detection, belonging to the field of quality detection of aquatic products. Background technique [0002] In China, grass carp farming has long been an effective production method for low-income people to make a living. With the development of society and economy, grass carp farming practitioners are not only satisfied with the low price market of grass carp in bulk products, but also try to expand grass carp in the high-end market. The Chinese government is also promoting the upgrading and transformation strategy of aquaculture. [0003] Crispy carp is the most effective exploration in "improving quality and increasing efficiency, reducing quantity and increasing income". Grass carp with crisp meat (also known as brittle grass carp) is a characteristic breeding object with a certain in...

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Problems solved by technology

[0005] Some scholars have found that there is a significant positive correlation between hardness, chewiness and the sensory crispness of crispy carp, and divide the muscle crispness of crispy carp into three grades: "not crisp enough", "crisp" and "extremely crispy". On the basis of killing the crispy carp and taking its muscle for analysis, this will not be conducive to the sale and transportation of the whole fish of the crispy carp

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