Studies On Fermentation. the Diseases of Beer, Their Causes, And the Means of Preventing Them
Studies On Fermentation. the Diseases of Beer, Their Causes, And the Means of Preventing Them
Louis Pasteur
The book Studies On Fermentation. the Diseases of Beer, Their Causes, And the Means of Preventing Them was written by author Louis Pasteur Here you can read free online of Studies On Fermentation. the Diseases of Beer, Their Causes, And the Means of Preventing Them book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Studies On Fermentation. the Diseases of Beer, Their Causes, And the Means of Preventing Them a good or bad book?
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93 obtained by the following method: — Pour a small quantity of water into a test-tube, which should then be placed slant- ingly : introduce some fresh yeast into the middle part of the tube, and close the tube with a wad of cotton, to prevent the entrance of exterior particles of dust. In this vapour-filled recept{tcle we shall sometimes see flakes develop. It seems that Messrs. Berkeley and G. H. Hoflmann have also obtained penicillium from ferment, by a similar process."* Why, however, shoul...d it not be admitted that penicillium found under such conditions may be derived from spores of that growth, adhering to the sides of the tube before it is closed with the wad, or mixed with the yeast that is put into the tube ? The facts alleged during the last few years by M. Bail, who persists in his views, in spite of their apparently greater exact- ness, are also far from being satisfactory.! M. Tr^cul, who is almost the only one in France, besides^ Messrs. Ch. Robin and Fremy, to participate in these errors, does not confine himself to a£Srming the change of the spores oi penicillium into yeast, and vice vend; his system is a far more extensive one.
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