Method for detoxifying barbadosnut seed dregs and preparing protein concentrates

A technology of jatropha seeds and concentrated protein, which is applied in the field of toxin removal and concentrated protein preparation, can solve the problems of high environmental cost, low protein price ratio, high energy consumption, etc., and achieve simple production process and low equipment requirements , The effect of mild production process conditions

Active Publication Date: 2011-06-15
JIANGNAN UNIV
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Problems solved by technology

[0007] However, in terms of the detoxification process of Jatropha curcas seed meal, there is only chemical detoxification method abroad, which consumes a lot of energy, has high environmental costs and has low protein-to-price ratio after detoxification.

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  • Method for detoxifying barbadosnut seed dregs and preparing protein concentrates

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Embodiment Construction

[0019] Method for detoxification of Jatropha curcas seed meal and preparation of concentrated protein

[0020] (1) Shell the Jatropha curcas seeds obtained by drying to obtain the nucleolus, place the nucleolus at 40°C to air-dry and then pulverize them with a traditional Chinese medicine machine, preferably 60 meshes. After pretreatment by extrusion technology, petroleum ether (boiling range: 40-60° C.) is used to degrease and pulverize to obtain defatted jatropha seed meal. Extrusion and expansion carry out pretreatment and degreasing process as follows: at first, the pulverized Jatropha curcas seed dregs that obtains earlier stage is adjusted moisture to 18%, carry out extrusion expansion (twin-screw extruder, the DS 32 type of Jinan Saixin Expansion Machinery Co., Ltd. ). The technical parameters are: puffing temperature 90°C, screw speed 150r / min, die hole diameter 10mm and die hole length 10mm. Finally, the content of toxic components (phorbol lipid, trypsin inhibitor,...

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Abstract

The invention provides a method for detoxifying barbadosnut seed dregs and preparing protein concentrates, which belongs to the field of fine and further processing of barbadosnut seed dregs. The method comprises the following steps of: destroying plant cell walls by firstly using an extruding bulking machine as a reactor and then utilizing biological enzymolysis, then eluting by using alcohol with a proper concentration, thereby solving the problem of toxin residual of the barbadosnut seed dregs and simultaneously preparing the protein concentrates of the barbadosnut seed dregs; and finally, carrying out nutrition evaluation on the protein concentrates of the barbadosnut seed dregs. The method has the advantages of low requirement on equipment, simple production process, low production cost and environmental friendliness without using strong acid and strong base for treating the barbadosnut seed dregs, also has low cost of raw materials and low production cost and is suitable for large-scale industrial production. Meanwhile, the method also meets the requirements of fine and further processing field of agricultural products in the 'National Guideline on Medium- and Long-Term Program for Science and Technology Development' and has very obvious social and economic benefits and significance.

Description

technical field [0001] The invention relates to the fields of toxin removal and concentrated protein preparation, in particular to a process method for removing toxic components in Jatropha curcas seed meal and simultaneously concentrating and increasing protein content. Background technique [0002] With the two major problems of global environmental pollution and oil resource depletion becoming more and more serious, it is imperative to develop bio-renewable energy --- biodiesel. Due to the difficulty in recycling waste edible oils and complex components, it is difficult to guarantee the quality of biodiesel; and the preparation of biodiesel from rapeseed oil and cottonseed oil is restricted by the cost of raw materials; therefore, based on my country's national conditions, it is important to vigorously develop woody oil crops Best option right now. [0003] Jatropha curcas L., also known as Jatropha curcas L., is a woody oil tree species in the mountainous area of ​​south...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23J1/14A23K1/14A23K1/16A23K20/147
Inventor 张晖肖建辉郭晓娜钱海峰王立齐希光
Owner JIANGNAN UNIV
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