<b>THERMODURIC AND THERMOPHILIC BACTERIA IN WASHED MILK CHURNS</b>

Thomas, S. B.; Jones, Ll. I.; Beavan, Michael; Thomas, Blodwen F.

doi:10.1111/j.1365-2672.1946.tb04048.x

Cited by 6 publications

(1 citation statement)

References 5 publications

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“…A high proportion of the moist milk cans, with visible milk film, contained >lo6 thermoduric bacteria, nearly 10% giving counts > 108/can. Several workers have drawn attention to the importance of unsatisfactorily washed milk cans as a source of large numbers of thermoduric micrococci, corynebacteria and aerobic sporeforming bacilli (McKenzie, Morrison & Lambert, 1946 ;Thomas, Jones, Beavan & Thomas, 1946;Galesloot, 1 9 5 1~;de Vleeschsuer & Naudts, 1953;George, Elson & Thomas, 1956;Leali, 1959a, b, c). They have also been implicated as a prominent source of Bacillus cereus spores by Billing & Cuthbert (1958), Donovan (1959) and Labots, Hup & Galesloot (1965).…”

Section: Thermoduric Bacteria On Dairy Equipmentmentioning

confidence: 99%

Incidence and Significance of Thermoduric Bacteria in Farm Milk Supplies: A Reappraisal and Review

Thomas¹,

Druce²,

Peters

et al. 1967

Journal of Applied Bacteriology

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CONTENTS PAGE 26'i r i 1 hermoduric bacteria in farm milk supplies miportance of using a suitable brand of peptone in the plating medium, w liich should be at a pH of 7.5, while iiicubation should preferably be a t 28" for 96 h. The results of these findings should be incorporated in future revisions of standard techniques. Donovan & Vincent (1955) recommended the use of a double indicator (broniocresol purple and phenol red) agar medium for estimating the numbers and types of thermodurics, while Leali (1958) used a TTC medium which he claimed facilitated and reduced the error of counting colonies of thermoduric bacteria.

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Section: Thermoduric Bacteria On Dairy Equipmentmentioning

confidence: 99%

Incidence and Significance of Thermoduric Bacteria in Farm Milk Supplies: A Reappraisal and Review

Thomas¹,

Druce²,

Peters

et al. 1967

Journal of Applied Bacteriology

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Tee Microflora of Efficiently Washed Milk Churns

Hughes

Ellison

1948

Proceedings of the Society for Applied Bacteriology

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Observations on the Pasteurization of Milk and Rinse Solutions

Murray¹

1949

Proceedings of the Society for Applied Bacteriology

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Summary. It has been shown that the effect of heating rinses of Ringer solution alone varies with their source, and a t the temperature tested the addition of protective colloids, like milk, is ineffective only with a minority of rinses. It is suggested that in order to obtain a more correct estimation of the number and types of heat‐resistant organisms present in rinses of equipment, sterile skim miIk should be added prior to heat treatment in the proportion of 9 parts skim milk to 1 part Ringer solution.

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THERMODURIC AND THERMOPHILIC BACTERIA IN WASHED MILK CHURNS

Cited by 6 publications

References 5 publications

Incidence and Significance of Thermoduric Bacteria in Farm Milk Supplies: A Reappraisal and Review

Incidence and Significance of Thermoduric Bacteria in Farm Milk Supplies: A Reappraisal and Review

Tee Microflora of Efficiently Washed Milk Churns

Observations on the Pasteurization of Milk and Rinse Solutions

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