Lettuces (Lactuca sativa) parasites in markets and free fairs from Lages - Santa Catarina

Authors

  • Rosiléia Marinho de Quadros UNIPLAC - Universidade do Planalto Catarinense
  • Sandra Márcia Tietz Marques Universidade Federal do Rio Grande do Sul
  • Douglas Augusto Favaro
  • Viviane Borges Pessoa
  • Andréia Aparecida Ribeiro Arruda UNIPLAC
  • Juliana Santini

DOI:

https://doi.org/10.15448/1983-652X.2008.2.4368

Keywords:

lettuce, parasites, pollutants, protozoan, Giardia

Abstract

Objective: To evaluate the contamination of lettuces (Lactuca saliva) with parasites of Public Health peculiar interest sold in Lages, Santa Catarina. Materials and Methods: A nonprobabilitic intentional sampling method was used, in which eight supermarkets and two public markets were selected according to their scope of activity and sales volume for the town. The 122 samples obtained from eight supermarkets and from two open-air markets were analyzed by the techniques of spontaneous sedimentation (Lutz), centrifugation and fluctuation in zinc sulphate (Faust), centrifugation and fluctuation in sucrose solution (Sheather) and modified Ziehl Neelsen coloration. Results: The total parasitism rate was 88.5% (108/122), 77% (94/122) in the supermarkets samples and 11.5% (14/122) in the open-air markets samples. The Lutz technique has detected 46.7% (57/122) infected lettuces; Sheather and Faust technique identified 31.1% (38/122) and 10.6% (13/122) of lettuces infected with eggs and/or oocysts of parasites, respectively. The Eimeria, Giardia e Entamoeba were the most prevalent genders. Conclusions: The analyzed samples presented low hygienic standards, showing that more intense sanitary inspection is needed during all stages of vegetable productive process.

Author Biographies

Rosiléia Marinho de Quadros, UNIPLAC - Universidade do Planalto Catarinense

Departamento de Ciências Biológicas e da Saúde - UNIPLAC, Av. Castelo Branco 170, Bairro Universitário, Lages, CEP: 88509-900

Sandra Márcia Tietz Marques, Universidade Federal do Rio Grande do Sul

Prof. Curso de Especialização, MSc. Dra. Pesquisadora, Laboratório de Protozoologia, Faculdade de Medicina Veterinária, UFRGS, Av. Bento Gonçalves, 9090, Bairro Agronomia, Porto Alegre, RS, Fone: 3308.6131

Douglas Augusto Favaro

Biólogo autônomo, Av. Benjamin Constant, 702 apto 32, São João, Porto Alegre,RS

Viviane Borges Pessoa

Bióloga autônoma, Av. Paulo Heiden, Bairro Caça e Tiro, Lages, SC

Andréia Aparecida Ribeiro Arruda, UNIPLAC

Bióloga e técnica de laboratório do Dep. de Ciências Biólogicas e da Saúde , UNIPLAC, Lages, SC

Juliana Santini

Acadêmica de Ciências Bológicas, UNIPLAC, Lages, SC

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Published

2009-02-10

Issue

Vol. 1 No. 2 (2008)

Section

Original Articles

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