Microbial contamination of coffee during postharvest on farm processing: A concern for the respiratory health of production workers.

Abstract:

:Coffee workers respiratory health problems, found to be associated with dust exposure in the coffee factories, but the content of the dust is not well known. A cross-sectional survey was conducted to assess the microbial contamination of coffee in dry and wet coffee process, from four farms in two regions of Ethiopia. A total of 36 samples of coffee were collected for laboratory investigation. The microbial load in the dry process ranged from 6.9 × 102 to 7.2 × 105 colony forming units (CFU)/mL while the microbial load in wet process ranged from 2.5 × 102 to 4.6 × 105 CFU/mL. The results indicate the presence of gram negative bacteria in dried and stored beans from both the wet and dry process. During further coffee processing possible release of endotoxin from coffee contaminated by gram negative bacteria might affect coffee workers respiratory health. Further studies are required to assess the relation between bacterial contamination of coffee and endotoxin level in coffee factories.

authors

Abaya SW,Bråtveit M,Deressa W,Kumie A,Tenna A,Moen BE

doi

10.1080/19338244.2019.1592094

subject

Has Abstract

pub_date

2020-01-01 00:00:00

pages

201-208

issue

4

eissn

1933-8244

issn

2154-4700

journal_volume

75

pub_type

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