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Method of using catering waste shrimp shells for continuous production of compound amino acid oligopeptide chelated calcium and chitin

A compound amino acid and chelated calcium technology, applied in the biological field, can solve the problems of high cost of compound amino acid short peptide chelated calcium, insufficient product safety, loss of amino acid quality, etc., and achieve good nutritional value, high utilization rate, and efficient recovery The effect of using

Active Publication Date: 2014-11-05
NANJING UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are certain deficiencies in the production process of amino acid short peptides and in the process of chelation. For example, in the patent for efficient and clean production process of compound amino acid chelated calcium with application number CN 201310657346.4, spoilage may occur in the production process of amino acid short peptides , will have a great impact on the quality of the product, and when chelating amino acid chelated calcium, calcium oxide or calcium hydroxide is added, which also has a great deficiency in the safety of the product
For example, in the patent of a preparation method of natural compound amino acid chelated calcium with application number CN 201010210090.9, it uses animal bone leftovers as raw materials to produce amino acid short peptides, which will cause waste of raw materials, and the use of hydrochloric acid to produce amino acid short peptides will The quality of amino acids causes a certain loss, which reduces the quality of the product
The application number is CN 201310128653.3 A patent for the preparation method of protein short peptide chelated calcium, in the process of chelation, the calcium agent is added from an external source, and there is no specific chelation system, and the removal of excess exogenous calcium agent Will cause environmental pollution and cost increase
The current utilization of discarded shrimp shells in catering has great limitations, and the cost of producing compound amino acid short peptide chelated calcium is high

Method used

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  • Method of using catering waste shrimp shells for continuous production of compound amino acid oligopeptide chelated calcium and chitin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Embodiment 1 illustrates the method for utilizing shrimp shells to continuously produce compound amino acid short peptide chelated calcium and chitin.

[0028] (1) Pretreatment of waste catering shrimp shells:

[0029]50 g of shrimp shells were ultrasonically cleaned 3 times, each time for 30 minutes to remove most of the particulate impurities, boiled to remove various impurities such as edible oils, and then dried, crushed (60 mesh) and put into a reaction vessel, adding Food grade anhydrous ethanol and ethyl acetate v / v (1:1) 400ml, 60 ℃ assisted by ultrasound for 24 hours, after suction filtration, use a rotary evaporator to recover the used ethanol and ethyl acetate from the filtrate, and then use the recovered ethanol The once-treated shrimp shells are treated again with ethyl acetate to ensure thorough treatment, and finally the treated shrimp shells are washed with water for 2 to 3 times, and dried to obtain depigmented and defatted shrimp shells.

[0030...

Embodiment 2

[0038] Embodiment 2 illustrates the method for utilizing shrimp shells to continuously produce compound amino acid short peptide chelated calcium and chitin.

[0039] (1) Pretreatment of waste catering shrimp shells:

[0040] 50g shrimp shells were ultrasonically cleaned 3 times, each time for 30 minutes to remove most of the particle impurities, boiled to remove various impurities such as edible oils, then dried, crushed (60 mesh) and put into a reaction vessel, adding food grade Absolute ethanol and ethyl acetate v / v (3:1) 500ml, 70 ℃ assisted by ultrasound for 25 h, after suction filtration, use a rotary evaporator to recover the used ethanol and ethyl acetate from the filtrate, and then use the recovered ethanol and acetic acid The once-treated shrimp shells are treated again with ethyl ester to ensure thorough treatment. Finally, the treated shrimp shells are washed with water for 2 to 3 times, and dried to obtain depigmented and defatted shrimp shells.

[00...

Embodiment 3

[0048] Embodiment 3 illustrates the method for utilizing shrimp shells to continuously produce compound amino acid short peptide chelated calcium and chitin.

[0049] (1) Pretreatment of waste catering shrimp shells:

[0050] 50g shrimp shells were ultrasonically cleaned 3 times, each time for 30 minutes to remove most of the particle impurities, boiled to remove various impurities such as edible oils, then dried, crushed (60 mesh) and put into a reaction vessel, adding food grade Absolute ethanol and ethyl acetate v / v (3:1) 150ml, 25 ℃ assisted by ultrasound for 25 h, after suction filtration, use a rotary evaporator to recover the used ethanol and ethyl acetate from the filtrate, and then use the recovered ethanol and acetic acid The once-treated shrimp shells are treated again with ethyl ester to ensure thorough treatment. Finally, the treated shrimp shells are washed with water for 2 to 3 times, and dried to obtain depigmented and defatted shrimp shells.

[00...

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Abstract

The present invention discloses a method of using catering waste shrimp shells for continuous production of compound amino acid oligopeptide chelated calcium and chitin. The method comprises: (1) pre-treating the catering waste shrimp shells; (2) acquiring oligopeptide and free amino acid from the shrimp shells by a biology enzymic method; (3) treating the shrimp shells with 2% to 3% of a hydrochloric aqueous solution to obtain free Ca<2+>; (4) chelating the amino acid oligopeptide, free amino acid and free Ca<2+> obtained in process (2) and (3) to prepare the amino acid oligopeptide chelated calcium; (5) recovering the treated shrimp shells. The present method is characterized by wide source of raw materials, high product safety, environment-friendly process and simple production process. Compared with other production methods, materials in the present method basically come from the shrimp shells and the use of additional materials is prevented, so that the cost is low and the waste shrimp shells which cause environmental pollution is changed into high-value products. The method fully realizes the purpose of changing waste into valuables, purifying environment and reducing production cost.

Description

technical field [0001] The invention belongs to the field of biotechnology, and relates to a method for continuously producing compound amino acid short peptide chelated calcium and chitin by using discarded catering shrimp shells. Background technique [0002] Calcium is an inorganic salt with the most content in the human body. The content of calcium in a normal human body is 1200-1400 grams, accounting for about 1.5%-2.0% of the body weight. In addition to being the basic raw material for bone development and directly affecting height, calcium also It has other important physiological functions in the body. Calcium can promote the activity of certain enzymes in the body, regulate the activity of enzymes; participate in the activity of nerves and muscles and the release of neurotransmitters; regulate the secretion of hormones. Calcium is also needed for blood coagulation, cell adhesion, and muscle contraction. Calcium also has the functions of regulating heart rhythm, re...

Claims

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Application Information

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IPC IPC(8): A23L1/305A23L1/33A23L1/30A23L17/40
CPCA23L17/40A23L29/30A23L33/165A23V2002/00A23V2200/30A23V2250/2042A23V2250/1578
Inventor 陈可泉张阿磊何珣高聪欧阳平凯
Owner NANJING UNIV OF TECH
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