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Ecología Aplicada

versión impresa ISSN 1726-2216

Resumen

ROLDAN ACERO, David; JUSCAMAITA MORALES, Juan; QUEVEDO NEIRA, Guillermo  y  VASQUEZ HUAMAN, María. Use of copper ions in solution for onboard preservation of anchovies (Engraulis ringens J.) destined for fishmeal production. Ecol. apl. [online]. 2010, vol.9, n.2, pp.83-89. ISSN 1726-2216.

This research aided in assessing the use of copper ions in solution to preserve onboard anchovies (Engraulis ringens J.), destined for fishmeal production. The results indicated that the use of 7 mg/L of copper ions in solution was efficient, for up to 30 hours of storage at ambient conditions, in preserving anchovies used for high quality fishmeal production. Also, such storage conditions reduced the content of total volatile basic nitrogen (TVB-N) from 35.61 mg/100 g to 20.04 mg/100 g. Similarly, the reduction of microbial loads to levels of 9.7 x 104 cfu/g allowed maintaining its qualification as fresh fish for 15 hours of storage. Change in the peroxide value in oils obtained from anchovies stored in the above conditions showed that copper ions accelerate oxidative changes from 15 hours of storage onwards.

Palabras clave : anchovy; onboard preservation; copper ions.

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