Bibliographic Details
| Title: |
Immunoreactive proteins of Capsicum-based spices as a threat to human health: mass spectrometry analysis and in silico mapping. |
| Authors: |
Wróblewska, Barbara1 (AUTHOR), Ogrodowczyk, Anna1 (AUTHOR) a.ogrodowczyk@pan.olsztyn.pl, Wasilewska, Ewa1 (AUTHOR) e.wasilewska@pan.olsztyn.pl |
| Source: |
Scientific Reports. 10/18/2023, Vol. 13 Issue 1, p1-16. 16p. |
| Subject Terms: |
*SPICES, *ALLERGIES, *PROTEINS, *LIQUID chromatography-mass spectrometry, *PROCESSED foods, *TANDEM mass spectrometry |
| Abstract: |
Dietary patterns are changing severely, especially the consumption of highly processed foods with lots of spices is increasing, carrying an increased risk of immediate hypersensitivity (type I), in sensitised individuals, due to the possible presence of allergens, especially the hidden ones. Paprika is a fruit of the Capsicum genus, which belongs to the Solanaceae family and is commonly consumed fresh or as a spice. Despite recorded cases of anaphylaxis, its allergenicity has yet to be clearly investigated. In this study, we research to identify proteins that could trigger a severe allergic reaction in patients with an equivocal clinical picture. Two types of protein extracts extracted from 3 different paprika spices were immunoblotted with sera from patients with severe allergic symptoms, presumably to paprika. Proteins from the IgE reactive bands obtained were subjected to LC–MS/MS identification and then in silico analysis to assess their possible sensitising capacity and proinflammatory potential using online tools. The spices were shown to contain a number of incompletely investigated highly immunoreactive allergenic proteins, including proteins of foreign origin (contaminants), the presence of which can stimulate inflammatory mechanisms and cross-reactivity with other food allergens, which can threaten life and health and should be investigated in detail. [ABSTRACT FROM AUTHOR] |
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