Risk factors with the occurrence of parasites and coliform in vegetables from an agroindustry

Soto, Francisco Rafael Martins; Cruz, Jéssica Vilela da; Lima, Laine Rodrigues; Duarte, Iolanda Cristina Silveira; Gazzinelli, Sandro Eugênio Pereira; Azevedo, Sérgio Santos de

doi:10.1590/0034-737X201865010012

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SHORT COMMUNICATION, Food Science and Technology • Rev. Ceres 65 (01) • Jan-Feb 2018 • https://doi.org/10.1590/0034-737X201865010012 copy

Risk factors with the occurrence of parasites and coliform in vegetables from an agroindustry

Fatores de risco e a ocorrência de parasitas e coliformes em hortaliças de uma agroindústria

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

In this study, we evaluated the risk factors associated with the occurrence of total coliforms, thermotolerant coliforms, and intestinal parasite eggs in vegetables from an agroindustry in the city of Ibiúna - SP, Brazil. A questionnaire with 17 questions was applied to 24 producers to carry out a diagnosis of the risk factors and their posterior association or not with total coliforms, thermotolerant coliforms, and intestinal parasite eggs. The questions addressed mainly the production system, fertilizer used, source of the water used for irrigation, sanitization of the vegetables, and form of transport. For the investigation of total coliforms, thermotolerant coliforms, and intestinal parasite eggs, the samples were processed at the microbiology and parasitology laboratory of the Federal Institute of São Paulo, São Roque Campus. The results revealed that total coliforms were found in 100% of the investigated samples and thermotolerant coliforms were detected in 95.83% of the samples. There was a significant statistical association for the risk factor use of reservoir water, where there was release of wastewater and absence of sanitization of the vegetables at the moment of harvest in relation to the presence of thermotolerant coliforms. Intestinal parasite eggs were found in 33.33% of the samples.

Key words:
good production practices; producers; contaminated water; sanitization

Risk factor	NP/%
Use of non-treated organic fertilizer	13/54.2
Use of reservoir or river water for irrigation with a close septic tank	05/20.8
Use of reservoir or river water for irrigation where there is release of wastewater	08/33.3
Absence of sanitization in the harvesting of vegetables	11/45.8
Absence of individual sanitization of vegetable with chlorinated water	24/100
Transport in non-sanitized wooden box	02/8.33
Transport in non-sanitized plastic box	19/79.16
Transport in a truck with a wooden truck body	10/41.66

Universidade Federal de Viçosa Av. Peter Henry Rolfs, s/n, 36570-000 Viçosa, Minas Gerais Brasil, Tel./Fax: (55 31) 3612-2078 - Viçosa - MG - Brazil
E-mail: ceres@ufv.br

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[1] *Autor para correspondência: chicosoto34@gmail.com

	Category	Number of producers	TC
	Category	Number of producers	> 8 (%)	p
Use of non-treated organic fertilizer	No	16	62.5	0.352
Use of non-treated organic fertilizer	Yes	08	87.5	0.352
Use of reservoir or river water for irrigation with a close septic tank	No	19	63.2	0.272
	Yes	05	100	0.272
Use of reservoir or river water for irrigation where there is release of wastewater	No	16	68.8	1.000
	Yes	08	75	1.000
Absence of sanitization in the harvesting of vegetables	No	13	53.8	0.078
Absence of sanitization in the harvesting of vegetables	Yes	11	90.9	0.078
Absence of individual sanitization of vegetable with chlorinated water	No	24	73.7	0.608
	Yes	00	60	0.608
Transport in non-sanitized wooden box	No	22	72.7	0.507
Transport in non-sanitized wooden box	Yes	02	50	0.507
Transport in non-sanitized plastic box	No	05	80	1.000
Transport in non-sanitized plastic box	Yes	19	68.4	1.000
Transport in a truck with a wooden truck body	No	14	71.4	1.000
Transport in a truck with a wooden truck body	Yes	10	70	1.000

	Category	Number of producers	TtC
	Category	Number of producers	> 0.3 (%)	p
Use of non-treated organic fertilizer	No	16	25	0.099
Use of non-treated organic fertilizer	Yes	08	62.5	0.099
Use of reservoir or river water for irrigation with a close septic tank	No	19	36.8	1.000
	Yes	05	40	1.000
Use of reservoir or river water for irrigation where there is release of wastewater	No	16	56.3	0.009
	Yes	08	0	0.009
Absence of sanitization in the harvesting of vegetables	No	13	15.4	0.033
Absence of sanitization in the harvesting of vegetables	Yes	11	63.6	0.033
Absence of individual sanitization of vegetable with chlorinated water	No	24	36.8	1.000
	Yes	00	40	1.000
Transport in non-sanitized wooden box	No	22	31.8	0.130
Transport in non-sanitized wooden box	Yes	02	100	0.130
Transport in non-sanitized plastic box	No	05	60	0.326
Transport in non-sanitized plastic box	Yes	19	31.6	0.326
Transport in a truck with a wooden truck body	No	14	50	0.210
Transport in a truck with a wooden truck body	Yes	10	20	0.210

	Category	Number of producers	IPE
	Category	Number of producers	> 0 (%)	p
Use of non-treated organic fertilizer	No	11	31.3	1.000
Use of non-treated organic fertilizer	Yes	13	37.5	1.000
Use of reservoir or river water for irrigation with a close septic tank	No	19	26.3	0.289
	Yes	05	60	0.289
Use of reservoir or river water for irrigation where there is release of wastewater	No	16	37.5	0.667
	Yes	08	25	0.667
Absence of sanitization in the harvesting of vegetables	No	13	15.4	0.082
Absence of sanitization in the harvesting of vegetables	Yes	11	54.5	0.082
Absence of individual sanitization of vegetable with chlorinated water	No	24	42.1	0.130
	Yes	00	0	0.130
Transport in non-sanitized wooden box	No	22	31.8	1.000
Transport in non-sanitized wooden box	Yes	02	50	1.000
Transport in non-sanitized plastic box	No	05	35	1.000
Transport in non-sanitized plastic box	Yes	19	25	1.000
Transport in a truck with a wooden truck body	No	14	28.6	0.673
Transport in a truck with a wooden truck body	Yes	10	40	0.673