1. Introduction
Fresh fruits and vegetables are essential components of the
human diet as sources of nutrients, dietary fibre and phytochemicals.
A high daily intake of these foods promotes health and reduces
the risk of several chronic diseases (Boeing et al., 2012).
Environmental factors and human contact during harvesting
practices can cause microbial contamination of fresh produce (De
Roever, 1998). The availability of sugar and nutrients and the high
aw values make fruit and fruit beverages susceptible to microbial
growth, mainly by species that are well adapted to a highly acidic
environment (pH < 4.0) such as yeasts, fungi and lactic acid bacteria
(Tournas, Heeres, & Burgess, 2006). Additionally, the potential
presence of pathogenic species on fruit raw materials has been well
1. Introduction
Fresh fruits and vegetables are essential components of the
human diet as sources of nutrients, dietary fibre and phytochemicals.
A high daily intake of these foods promotes health and reduces
the risk of several chronic diseases (Boeing et al., 2012).
Environmental factors and human contact during harvesting
practices can cause microbial contamination of fresh produce (De
Roever, 1998). The availability of sugar and nutrients and the high
aw values make fruit and fruit beverages susceptible to microbial
growth, mainly by species that are well adapted to a highly acidic
environment (pH < 4.0) such as yeasts, fungi and lactic acid bacteria
(Tournas, Heeres, & Burgess, 2006). Additionally, the potential
presence of pathogenic species on fruit raw materials has been well
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