Effects of vegetable powders as nitrite alternative in Italian dry fermented sausage

  • Luca Pennisi | lmpennisi@unite.it Faculty of Veterinary Medicine, University of Teramo, Località Piano d’Accio, Teramo, Italy.
  • Enrica Verrocchi Faculty of Veterinary Medicine, University of Teramo, Località Piano d’Accio, Teramo, Italy.
  • Domenico Paludi Faculty of Veterinary Medicine, University of Teramo, Località Piano d’Accio, Teramo, Italy.
  • Alberto Vergara Faculty of Veterinary Medicine, University of Teramo, Località Piano d’Accio, Teramo, Italy.

Abstract

The aim of this work was to study the effects of reformulation of an Italian dry fermented sausage by replacing nitrite with celery or spinach powder alone or in combination with beet powder on some quality characteristics of the product. Five different sausage formulations were produced: i) Control negative (CN): no nitrate added; ii) Control positive (CP) 150 mg/kg potassium nitrate; Group with celery powder (GSe): 3 g/kg celery powder; iii) Group with celery powder and beet powder (GSeB): 3 g/kg of celery and beet powder, respectively; iv) Group with spinach powder and beet powder (GSpB): 3 g/kg of spinach and beet powder, respectively. There was no significant difference between the residual nitrite contents of the samples at the end of the storage period. From microbiological analysis no target pathogenic bacterium has been isolated and the lactic bacteria microflora showed a similar trend in all of the lots. Suggested storage periods for CP, GSe and GSeB were over 60 days by taking into consideration the microbiology and sensory evaluation. Sensory evaluation scores of samples with celery powder, in fact, were comparable to those of CP during storage. The GSpB samples showed similar and higher values regarding the structural attributes, the related attribute to colour showed decidedly lower values due to a greenish coloration of the slice to the presence of spinach.

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Published
2020-08-19
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Original Articles
Keywords:
Celery powder, spinach powder, dry fermented sausage, nitrite alternative
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1.
Pennisi L, Verrocchi E, Paludi D, Vergara A. Effects of vegetable powders as nitrite alternative in Italian dry fermented sausage. Ital J Food Safety [Internet]. 2020Aug.19 [cited 2021Jun.25];9(2). Available from: https://www.pagepressjournals.org/index.php/ijfs/article/view/8422