Blanching is an old and well-established practice in the
food industry. Early technological improvements focused
on increasing product quality. Later, process efficiency in
terms of product throughput, energy efficiency, and waste
effluent reduction has been the main concern. Targeting
the right enzyme indicator would reduce blanching time
and tackle all these priorities: improving product quality
(increasing retention of nutrients and other freshlike
quality attributes), reducing energy consumption, and
reducing waste production. However, implementation of
this requires modification of existing equipment to allow
either faster product conveying or shorter pieces of
equipment. Furthermore, food processors and their
customers have been using long-established United States
Department of Agriculture guidelines that suggest the
use of catalase or peroxidase as indicators. Therefore
there is still room for improvement of an apparently
simple technology.
Blanching is an old and well-established practice in thefood industry. Early technological improvements focusedon increasing product quality. Later, process efficiency interms of product throughput, energy efficiency, and wasteeffluent reduction has been the main concern. Targetingthe right enzyme indicator would reduce blanching timeand tackle all these priorities: improving product quality(increasing retention of nutrients and other freshlikequality attributes), reducing energy consumption, andreducing waste production. However, implementation ofthis requires modification of existing equipment to alloweither faster product conveying or shorter pieces ofequipment. Furthermore, food processors and theircustomers have been using long-established United StatesDepartment of Agriculture guidelines that suggest theuse of catalase or peroxidase as indicators. Thereforethere is still room for improvement of an apparentlysimple technology.
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