Physical-chemical and microbiological quality of milk in natura: systematic review

Abstract

This systematic review aimed to identify the scientific articles that approached the physico-chemical and microbiological quality of the refrigerated fresh milk, as well as the forms of collection, storage and laboratory analyzes carried out in this food between the years 2006 to 2016. Taking as a base the CAPES Journal Portal was used as descriptors 'milk', 'milk' and 'quality', 'milk' and 'microbiological quality', 'raw milk' and 'microbiological quality', 'raw milk' and 'quality' microbiological physicochemical ',' raw milk 'and' physico-chemical 'and' milk 'and' microbiology '. As inclusion criterion, the articles were made available with the complete and free text in the searched databases. The initial search resulted in 1,743 articles. After reading the abstracts 50 papers were selected for full reading. Of these 24 were analyzed and 14 of these are discussed in this article. It was concluded that most of the milk samples analyzed in the articles were in disagreement with legislation or literature, possibly due to lack of hygiene during milking or storage, in which all surveys were based on milk collection in cooling. The implementation of good hygiene practices in milking generates quality milk, guarantees animal welfare and improves the profitability of production.