Wort Agar

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SKU:
M129
Recommended for the cultivation and enumeration of yeasts.


This medium is used for the cultivation, isolation and enumeration of yeast and moulds. Addition of certain dyes to Wort Agar allows differentiation between yeast and bacterial colonies. It is particularly well adapted for counting osmophillic yeast in butter, sugar and syrups, in lemonades and more generally in sweet or soft drinks. It is a medium equivalent to the medium described by Parfitt and equally suitable for the cultivation and enumeration of yeasts. For more selective utilization, it is possible to adjust the pH to 4.5 or 3.5 by adding 10 ml/l of a solution of lactic acid or tartaric acid before sterilization
More Information
Product Name Wort Agar
SKU M129
Product Type Regular
Physical Form Powder
Origin Animal
Packaging type HDPE
References 1. American Public Health Association, Standard Methods for the Examination of Dairy Products, 1978, 14th Ed., Washington D.C.
2.Baird R.B., Eaton A.D., and Rice E.W., (Eds.), 2015, Standard Methods for the Examination of Water andWastewater, 23rd ed., APHA, Washington, D.C.
3.Isenberg, H.D. Clinical Microbiology Procedures Handbook 2nd Edition
4.Jorgensen, J.H., Pfaller, M.A., Carroll, K.C., Funke, G., Landry, M.L., Richter, S.S and Warnock., D.W. (2015)Manual of Clinical Microbiology, 11th Edition. Vol. 1.
7.Rapp M., 1974, Indikatorzusatze zur Keimdifferenzierung auf Wurze-und Malzextrakt-Agar, Milchwis, 29; 341-344.
6.Parfitt E. H., 1933, J. Dairy Sci., 19: 141.
8.Scarr M., 1959, J. Sci. Food. Agric., 10 (12), 678-681.
5.MacFaddin J. F., 1985, Media for Isolation-Cultivation- Identification-Maintenance of Medical Bacteria, Vol. 1, Williams and Wilkins, Baltimore.
9.Salfinger Y., and Tortorello M.L. Fifth (Ed.), 2015, Compendium of Methods for the Microbiological Examination ofFoods, 5th Ed., American Public Health Association, Washington, D.C.10.Wehr H. M. and Frank J. H., 2004, Standard Methods for the Microbiological Examination of Dairy Products, 17th Ed., APHA Inc., Washington, D.C.
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