Valorization of chicken viscera as natural raw material source: Application to hydrolysis of fatty esters for sewage treatment.

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Abstract "Chicken viscera" constitute very abundant domestic wastes interestingly investigated in the present paper. The efficiency of this crude slaughter co-product of high protein component, as biocatalyst, for the hydrolysis of fatty acid esters was reported and that, without any pre-treatment. The crude Chicken Intestines Powder (CIP) has shown a high reactivity for the hydrolysis of fatty esters. Two biocatalyst preparations were independently explored for the bioresolution of sec-phenyl alkyl carbinol esters: the CIP preparation and the crude Chicken Intestines Acetone Powder CIAP ​​preparation. The last one has shown good catalytic activity during the bio-hydrolysis in biphasic medium. Furthermore, the direct hydrolysis of milk fat using CIAP (500 mg) reveals the elimination of fats present in 50 ml of treated milk. These results open up very interesting prospects for the use of this biowaste for the treatment of milk fat.

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