Recovery of water-soluble nutritional factors from fish livers

Autor:	D. J. S. Gray, R. G. Shuttleworth, L. Novellie
Rok vydání:	1951
Předmět:	Autolysis (biology) Nutrition and Dietetics Chromatography Glycogen Chemistry Riboflavin Pyridoxine chemistry.chemical_compound Pantothenic acid medicine Dry matter Vitamin B12 Cyanocobalamin Agronomy and Crop Science Food Science Biotechnology medicine.drug
Zdroj:	Journal of the Science of Food and Agriculture. 2:91-94
ISSN:	1097-0010 0022-5142
DOI:	10.1002/jsfa.2740020207
Popis:	Methods of processing hake livers whereby the protein fraction and the water-soluble nutritional factors may be recovered in addition to the oil and oil-soluble vitamins, have been examined. Methods involving (a) partial tissue digestion by papain, and (b) water-extraction (under conditions involving some autolysis) have been compared. The water-soluble fraction from process (b) has been subjected to evaporation under reduced pressure and to spray-drying. The powder thus obtained has been analysed for nitrogenous components, glycogen, vitamins of the B group (including vitamin B12) and for fifteen inorganic elements.
Databáze:	OpenAIRE
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