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Sanitation and thermal processing in levels of antioxidants of vegetables cultivated in organic and conventional manure.

Grant number: 12/07218-9
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): June 01, 2012
Effective date (End): May 31, 2013
Field of knowledge:Agronomical Sciences - Agronomy - Crop Science
Principal researcher:Giuseppina Pace Pereira Lima
Grantee:Mariana Gonçalves Lozano
Home Institution: Instituto de Biociências (IBB). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil


Different culture systems, like conventional and organic, can interfere with nutritional characteristics of a vegetable as well as the mode of preparation for consumption and sanitation. This experiment aims to observe if the mode of cultivation and heat treatment influence the levels of antioxidants in cabbage (Brassica oleracea var. Capitata) and spinach (Tetragonia expansa) subjected the sanitation for ozonization. Will be use parameters of soluble solids, titratable acidity, pH (chemical analysis), polyamines, total phenols, flavonoids, carotenoids total and chlorophyll, vitamin C, activity aintioxidant, fiber / dietary, lipids, total protein, total carbohydrate (biochemistry analysis), microbiological analysis and nitrate. Statistical analysis will be in a completely randomized design (CRD) with factorial 2 x 4 ( cropping system x cooking system) in third copy for each product to be analyzed. This project will help to clearing up the use of different heat treatments in food commonly consumed by the population.

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
LIMA, G. P. P.; TEIXEIRA DA SILVA, JAIME A.; BERNHARD, A. B.; PIROZZI, D. C. Z.; FLEURI, L. F.; VIANELLO, F. Organic and conventional fertilisation procedures on the nitrate, antioxidants and pesticide content in parts of vegetables. FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE, v. 5, n. 3, p. 188-193, 2012. Web of Science Citations: 3.

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