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- Title
Health-Promoting Properties of Fresh and Processed Purple Cauliflower.
- Authors
Kapusta-Duch, Joanna; Szeląg-Sikora, Anna; Sikora, Jakub; Niemiec, Marcin; Gródek-Szostak, Zofia; Kuboń, Maciej; Leszczyńska, Teresa; Borczak, Barbara
- Abstract
Plant-based foods should be fresh, safe, and natural, with nutritional value and processed in sustainable ways. Among all consumed vegetables, Brassica vegetables are considered to be the most important ones. As they are eaten in large quantities and frequently, they may constitute an important source of nutrients and bioactive compounds in a daily diet. This work is aimed at assessing the effect of technological processing (blanching and traditional cooking in water and in a convection steam oven) as well as the method of frozen storage (in PE-LD zipper bags and vacuum packing) on the content of selected components in purple cauliflower. The material was examined for the content of dry matter, vitamin C, total polyphenols, anthocyanins, thiocyanates, nitrates, and nitrites, as well as antioxidant activity. All technological processes caused significant changes in the contents of examined nutritive and non-nutritive compounds as well as in antioxidant activity or the level of selected chemical pollutions. A trend was also observed towards lower constituents' losses as a result of convection steaming, compared to traditional cooking in water. Moreover, the reduction in the content of examined compounds was smaller in vacuum-packed and frozen-stored vegetables then in those stored in zipper PE-LD bags.
- Subjects
CAULIFLOWER; NUTRITIONAL value; POLLUTION; BLANCHING (Cooking); VITAMIN C; COLE crops; FRENCH fries; ANTHOCYANINS
- Publication
Sustainability (2071-1050), 2019, Vol 11, Issue 15, p4008
- ISSN
2071-1050
- Publication type
Article
- DOI
10.3390/su11154008