The "cold revolution". Present and future applications of cold-active enzymes and ice-binding proteins.

Psychrophilic organisms adapted to cold environments produce molecules of relevance for biotechnological application, in particular enzymes active at low temperatures and ice-binding proteins that control the growth of ice crystals. The use of cold-active enzymes supports low temperature processes that preserve heat labile compounds and can result, in some circumstances, in energy saving. Among the several possible applications in biotransformations, this paper focuses on reactions of relevance for the food industry and in molecular biology, representative of different market segments. Ice-binding proteins reduce tissues damage provoked by ice crystals and are therefore of relevance for frozen foods and for the cryopreservation of organs and tissues in the biomedical sector.

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