The Occurrence of Bacillus coagulans with High Heat Resistance |
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| Authors: | Henriette M C Put S J Wybinga |
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| Institution: | Carl C. Conway Laboratory, Thomassen and Drijver, Deventer, The Netherlands |
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| Abstract: | S ummary : The heat resistance of spores of Bacillus coagulans strain Sp. 33, isolated from canned chopped spinach, has been determined. It appeared to be higher in 1/40 M phosphate than in 1/15 M phosphate and higher at pH 6°8 than at pH 6°0. In 1/40 M phosphate buffer of pH 6°8 the calculated D 110 was 2°4 min. In chopped spinach of pH 6°2 the calculated D 110 was 0°84 min. In addition a simple and reliable method of assessing the thermal resistance of micro-organisms in thermal death time tubes is reported. |
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