Assessment of pasteurisation of edible insects using enzymatic tests (activity of alkaline phosphatase and lactoperoxidase) applied in dairy products

Food Science and Technology International = Ciencia Y Tecnología De Los Alimentos Internacional
Nils Th GrabowskiD González Aguilar

Abstract

Industrialising edible insects goes along with quality control and hazard analysis and critical control points. One of those steps is assessing heat treatment. For the present contribution, the potential of enzymatic heat assessment tests used in the dairy industry (alkaline phosphatase and lactoperoxidase) to detect heat treatment in several insect species ( Acheta domesticus, Gryllus assimilis, Gryllus bimaculatus, Locusta migratoria, Schistocerca gregaria, Chilecomadia moorei, Galleria mellonella, Bombyx mori, Pachnoda marginata, Tenebrio molitor, Zophobas atratus, Apis mellifera, and Hermetia illucens) was evaluated. Insect material was homogenised, diluted, and the enzymatic tests (Lactognost®, Peroxtesmo®) were carried with these liquids as if they were milk. All species but C. moorei, B. mori, P. marginata, and A. mellifera showed alkaline phosphatase activity in raw samples and none in heated (10 min at 100 ℃) ones, while only G. mellonella, T. molitor, and Z. atratus reacted accordingly with lactoperoxidase. In trial 2 focusing only on alkaline phosphatase activity, inactivation of the enzyme after 5, 10, and 15 min of heating occurred species specific within a range of 60-86 ℃, i.e. within ordinary pasteurisation sche...Continue Reading

References

Jan 1, 1993·Journal of Veterinary Internal Medicine·A M HankJ L Dorner
Jan 25, 2012·Biopolymers·Eleanor M PritchardDavid L Kaplan
May 29, 2016·Food Science and Technology International = Ciencia Y Tecnología De Los Alimentos Internacional·Nils Th Grabowski, Günter Klein
May 4, 2017·Food Research International·Dongxiao Sun-WaterhouseYi Dong

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