Novel preparation method for natural taurine

A technology of taurine and a new method, applied in the direction of chemical instruments and methods, preparation of organic compounds, organic chemistry, etc., can solve the problems of difficult industrial production, increased production investment, and large ethanol consumption, so as to avoid the source of raw materials The effect of restriction, low ethanol consumption, and high extraction rate

Active Publication Date: 2015-06-24
JIMEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of this patent are: 1. The operation of "immediate suction filtration and impurity removal" described in the above-mentioned patent effectively removes a large amount of impurities, but it is difficult to realize in industrial production; 2. The crystallization and

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1: the extraction of natural taurine

[0035] (1) Source of raw materials: collect 1 L of cooking broth produced in the process of processing variegated clams, oysters, meretrix meretrix, mussels, and scallops in the factory, totaling 5 L, and mix well to obtain the extract;

[0036] (2) Concentration for the first time: Concentrate the extract to 1 L;

[0037] (3) Alcohol precipitation: Add 3 L of 95% ethanol by volume to 1 L of the concentrated extract to obtain the precipitate and supernatant, and extract 2.6 L of the supernatant;

[0038] (4) Second concentration: Concentrate 2.6 L of the supernatant to 105 mL, with a soluble solid content of 45.7%, and adjust its pH to 5.16, which is the concentrated solution;

[0039] (5) Crystallization: put 105 mL of the concentrated solution with a pH of 5.16 in a low-temperature environment of -30 °C, add a little taurine seed crystals, and stir slowly for more than 12 h, the taurine crystals are precipitated, and...

Embodiment 2

[0041] Embodiment 2: the extraction of natural taurine

[0042] (1) Source of raw materials: collect 1 kg of discarded internal organs produced during the processing of octopus, squid, and cuttlefish in the factory, totaling 3 kg;

[0043] (2) Water extraction: Add 15 L of water to 3 kg of discarded viscera, cook at 120°C for 60 min, and filter to obtain 14.8 L of extract;

[0044] (3) Concentration for the first time: Concentrate 14.8 L of extract to 1.5 L;

[0045] (4) Alcohol precipitation: Add 2 L of 95% ethanol by volume to the concentrated 1.5 L extract to obtain the precipitate and supernatant, and extract 2.1 L of the supernatant;

[0046] (5) Second concentration: Concentrate 2.1 L of the supernatant to 70 mL with a soluble solid content of 50.1%, which is the concentrated solution;

[0047](6) Crystallization: Place 70 mL of the concentrated solution in a low-temperature environment of -15 °C, add a little taurine seed crystals, and stir slowly for more than 12 h...

Embodiment 3

[0049] Embodiment 3: the extraction of natural taurine

[0050] (1) Source of raw materials: Collect 5 kg of discarded internal organs produced in the process of processing abalone in the factory, and fully crush them with a meat grinder;

[0051] (2) Water extraction: Add 17.5 L of water to 5 kg of crushed abalone viscera, cook at 80°C for 120 min, and filter to obtain 17.2 L of extract;

[0052] (3) Concentration for the first time: Concentrate 17.2 L of extract to 2.3 L;

[0053] (4) Alcohol precipitation: Add 4.6 L of 95% ethanol by volume to the concentrated 2.3 L extract to obtain the precipitate and supernatant, and extract 5 L of the supernatant;

[0054] (5) Second concentration: Concentrate 5 L of supernatant to 200 mL, with a soluble solid content of 45.5%, and adjust its pH to 5.16, which is the concentrated solution;

[0055] (6) Crystallization: put 200 mL of the concentrated solution in a low-temperature environment of -20 °C, add a little taurine seed cryst...

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Abstract

The invention provides a novel preparation method for natural taurine. The novel preparation method comprises the following steps: collecting an aquatic product water extract, concentrating the aquatic product water extract, obtaining precipitates and liquid supernatant after adding alcohol, and concentrating the liquid supernatant after extracting the liquid supernatant; putting the obtained concentrated liquor to crystallize under a low-temperature environment to obtain a taurine crude product; re-crystallizing the taurine crude product to obtain a wet fine product, and drying the wet fine product to obtain a finished product. The novel preparation method aims to overcome the problems that raw materials for preparing the natural taurine by a current biological extraction method are less in source and relatively high in price, overcome the problems that a process for preparing the natural aurine by adopting a conventional ion exchange method is complex in process, needs large-scale equipment, is high investment, high in cost and large in environmental pollution, and overcome the defects that a current simple prperation method for preparing the natural taurine is large in alcohol consumption amount and relatively difficult to realize industrialization.

Description

technical field [0001] The invention relates to the field of marine product processing, and more specifically relates to a new method for preparing natural taurine by using leftovers produced during the processing of aquatic products as raw materials. Background technique [0002] In recent years, the demand for taurine has exploded. At present, the annual consumption of taurine in the world has exceeded 20,000 tons, and more than 80% of the annual consumption is used as food nutritional additives. The consumption is mainly concentrated in the United States, Japan and other countries. At present, the United States, Japan and other countries have clearly stipulated that taurine must be added to infant and children's food. In Japan, the per capita annual consumption of taurine for children is more than 500 grams. my country is a huge potential market: there are nearly 1.3 billion people and 380 million children. If 1 / 3 of the children supplement 300 grams of taurine every yea...

Claims

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Application Information

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IPC IPC(8): C07C309/14C07C303/44
Inventor 曹敏杰章骞崔璨刘光明蔡秋凤
Owner JIMEI UNIV
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