THE APPLICATION of ATP BIOLUMINESCENCE FOR the ASSESSMENT of MILK QUALITY and FACTORY HYGIENE

Autor:	Mansel W. Griffiths, Lynn Mcintyre, Louis Laleye, Derrick A. Bautista
Rok vydání:	1992
Předmět:	media_common.quotation_subject Pasteurization Biology Raw milk Bacterial growth Microbiology Atp bioluminescence law.invention Plate count Hygiene law Bioluminescence Food science media_common
Zdroj:	Journal of Rapid Methods and Automation in Microbiology. 1:179-193
ISSN:	1745-4581 1060-3999
DOI:	10.1111/j.1745-4581.1992.tb00084.x
Popis:	The speed of ATP bioluminescence assays makes them very useful for assessing product quality and efficiency of sanitation at food plants. the suitability of a new method for evaluating the quality of raw milk was compared with plate count. A good correlation was obtained between the ATP method and plate count for milks with counts above 1 × 104 cfu/ml. the combination of ATP bioluminescence with preincubation procedures was investigated for predicting the shelf-life of pasteurized milk. the best correlations were obtained when milks were preincubated at 15C for 25 h or at 21C for 25 h in the presence of an inhibitor system to prevent Gram-positive bacterial growth. Hygiene monitoring using bioluminescence gave a better indication of surface cleaniness than conventional swab counts. the reasons for the discrepancies in a small percentage of cases are discussed.
Databáze:	OpenAIRE
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