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Ozonated water and chlorine effects on the antioxidant properties of organic and conventional broccoli during postharvest
Lima, Giuseppina Pace Pereira; Machado, Tatiana Marquini; Oliveira, Luciana Manoel de; Borges, Luciana da Silva; Pedrosa, Valber de Albuquerque; Vanzani, Paola; Vianello, Fabio.
Afiliação
  • Lima, Giuseppina Pace Pereira; São Paulo State University. Institute of Biosciences. Departament of Chemistry and Biochemistry. Botucatu. BR
  • Machado, Tatiana Marquini; São Paulo State University. Institute of Biosciences. Departament of Chemistry and Biochemistry. Botucatu. BR
  • Oliveira, Luciana Manoel de; Federal Institute of Education. Science and Technology of São Paulo. Avaré. BR
  • Borges, Luciana da Silva; São Paulo State University. Institute of Biosciences. Departament of Chemistry and Biochemistry. Botucatu. BR
  • Pedrosa, Valber de Albuquerque; São Paulo State University. Institute of Biosciences. Departament of Chemistry and Biochemistry. Botucatu. BR
  • Vanzani, Paola; University of Padua. Departament of Molecular Medicine. Padova. IT
  • Vianello, Fabio; University of Padua. Departament of Comparative Biomedicine and Food Science. Padova. IT
Sci. agric ; 71(2): 151-156, Mar-Abr. 2014. tab
Article em En | VETINDEX | ID: biblio-1497395
Biblioteca responsável: BR68.1
Localização: BR68.1
ABSTRACT
There is growing interest in studies on sanitizers other than chlorine that can maintain the quality of organic products without affecting their phytochemical content. The effects of using chlorinated and ozonized water treatments, as sanitizing procedures, on the post-harvest quality of organic and conventional broccoli (Brassica oleracea L.) cv. Italica was evaluated. The biochemical parameters (chlorophyll, polyphenols, flavonoids, vitamin C and antioxidant capacity) of the broccoli samples were analyzed at day 0 (arrival of the plant from the field, original features), and 1, 4 and 7 days after harvest. The polyamine analysis was performed on arrival of the plant from the field and on the first and seventh days. The cultivation procedure influenced polyphenol, vitamin C and total chlorophyll content, and the highest value was observed in organic broccoli after the fourth day. Flavenoid content was higher in organic broccoli. The use of ozone appears not to have had an influence on the amount of polyphenolic, flavonoids and vitamin C during storage. Total chlorophyll content was less affected by ozonized water than by the chlorine treatment as at the first and fourth days of storage. The highest content of putrescine was found in conventional broccoli, while the highest levels of spermidine and spermine were found in organic broccoli. Antioxidant capacity was highest in organic broccoli after day 4 of storage and was affected by the bioactive compounds analyzed. Methods of cultivation influenced natural antioxidant and chlorophyll contents in broccoli under cold storage.
Assuntos

Texto completo: 1 Base de dados: VETINDEX Idioma: En Revista: Sci. Agric. / Sci. agric Ano de publicação: 2014 Tipo de documento: Article

Texto completo: 1 Base de dados: VETINDEX Idioma: En Revista: Sci. Agric. / Sci. agric Ano de publicação: 2014 Tipo de documento: Article