期刊
FOOD CHEMISTRY
卷 184, 期 -, 页码 160-166出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2015.03.094
关键词
Macrobrachium rosenbergii; Hepatopancreas; Macrobrachium lanchesteri; GryIlus bimaculatus; Edible insect; Allergen; IgE-immunoblotting; SDS-PAGE; LC-MS/MS
资金
- Graduate Scholarship for International Publication from the Kasetsart University Research and Development Institute (KURDI)
Edible insects have recently been promoted as a source of protein and have a high nutrition value. Identification of allergens and cross-reactivity between Macrobrachium spp. and the field cricket (Gryllus bimaculatus) is necessary for food safety control and to assist in the diagnosis and therapy of allergy symptoms. Denaturing polyacrylamide gel electrophoresis (SDS-PAGE) was used to separate proteins. Allergens were determined and identified by IgE-immunoblotting with pooled sera from prawn-allergic patients (n = 16) and LC-MS/MS. Arginine kinase (AK) and glyceraldehyde 3-phosphate dehydrogenase (GAPDH) were determined as the important allergens in muscle of Macrobrachium rosen-bergii whereas, hemocyanin (HC) was identified as an allergen in Macrobrachium spp. The allergens in Macro brachium lanchesteri were identified as AK and HC. In addition, hexamerin1B (HEX1B) was identified as a novel and specific allergen in G. bimaculatus. The important allergen in G. bimaculatus and Macrobrachium spp. is AK and was found to cross-react between both species. (C) 2015 Elsevier Ltd. All rights reserved.
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