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Información tecnológica

On-line version ISSN 0718-0764


VALENCIA, Emir; VALENZUELA, Eugenia; QUEVEDO, Roberto  and  AEDO, Vilma. Determination of Nitrate and Nitrite Compounds from Broccoli (Brassica oleracea var. Italica) Commercialized in the City of Osorno, Chile. Inf. tecnol. [online]. 2015, vol.26, n.3, pp.41-46. ISSN 0718-0764.

Levels of nitrates and nitrites in the raw and cooked broccoli, from the Chilean Regions of Coquimbo, Valparaiso and Metropolitan, which is marketed and consumed in the southern city of Osorno in Chile were analysed. In raw product (nitrate extraction procedures by means of cadmium and barium chloride solution), the nitrate levels were between 521 to 5638 mg NO3- / kg, while the boiled products (soluble nitrates in boiled water for 10 minutes), no traces of nitrite were detected and low levels of nitrate (124 to 952 mg NO3- / kg) . From the results it is concluded that the broccoli samples studied are of good quality and are under acceptable values reported in the literature.

Keywords : broccoli; Brassica oleracea var; Italica; nitrates; nitrites.

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