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Alimentos e Nutrição
Article . 2010
Data sources: DOAJ
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<b>Microbiological testing and physical and chemical analysis of reconstituted fruit juices and coconut water<br>Avaliação microbiológico e caracterização físico-quimica de refrescos e água de coco</b>

Authors: F. B. PILÓ; N. O. PEREIRA; L. F. D. FREITAS; A. N. D. MIRANDA; L. S. CARMO; F. C. O. GOMES; R. M. D. NARDI; +1 Authors

<b>Microbiological testing and physical and chemical analysis of reconstituted fruit juices and coconut water<br>Avaliação microbiológico e caracterização físico-quimica de refrescos e água de coco</b>

Abstract

<p align="justify"> The aim of this study was to assess the quality of reconstituted fruit juices and coconut water sold for immediate consumption in bars, restaurants and bakeries, and by street vendors in Belo Horizonte (Minas Gerais, Brazil). Microbial quality was determined by counting coliforms, yeasts, staphylococci and salmonellae. Total titratable acidity, pH and total soluble solids of these beverages were recorded. For coconut water samples, the total reducing sugar content was also determined. The “juices†collected included reconstituted orange, cashew and grape-fl avored juice powders and concentrated cashew juice. Sixty samples of these juices and 45 of coconut water were collected. More than half (55%) of the juice samples did not comply with current Brazilian legislation, which states that there must be a total absence of coliforms in a 50 mL sample. Sixteen percent of the coconut water samples exceeded the bacterial count limits defi ned in Brazilian law, with thermotolerant coliform densities above 102 MPN / mL. The high levels of sugar and low pH found in the coconut water were possibly related to the high yeast counts in most samples. Forty-seven percent of coconut water samples showed staphylococcal counts above 103 CFU/mL. The numbers of thermotolerant coliforms, yeasts and staphylococci found suggest unsatisfactory hygienic practices during the preparation of these beverages. Salmonellae were not detected in any of the samples. The physical and chemical properties of the drinks varied among the samples. Our results suggest that both the reconstituted juices and coconut waters need better hygienic and sanitary control. </p>

Keywords

coconut water, Nutrition. Foods and food supply, microbiological quality, Juice powders, TX341-641, physicochemical parameters.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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