It can be converted intopeptone by pancreatic juice, but not by gastric juice.
Dunham's peptone solution=, frequently used to determine indol production, is a solution of 1 per cent.
The older scientists followed proteid digestion until the soluble peptone stage was reached, at which point all track was lost of the chemical changes and processes until the nitrogen was again excreted by the kidneys in the form of urea.
Defn: The peptoneformed by pancreatic digestion; -- so called because it is formed through the agency of the ferment trypsin.
Wash thepeptone emulsion into a litre flask with 600 c.
Prepare as for iron peptone solution but in step 6 substitute 0.
Convert proteins into proteose, peptone and further products of hydrolysis; e.
Wash the peptone emulsion into a flask with 800 c.
Add the peptone emulsion to the meat extract in the flask and heat in the steamer for forty-five minutes (to completely dissolve the peptone, and to render the acidity of the meat extract stable).
Add the peptonesalt emulsion to the meat extract emulsion in the flask and add 650 c.
Weigh out Sodium taurocholate 5 grammes Peptone 20 grammes and add to the medium in the flask.
Substitute Witté's peptonefor that of Chassaing, and proceed as for French proof agar.
Weigh out Peptone 10 grammes and emulsify in a few cubic centimeters of the whey and return to the flask.
The poison they considered to consist of two toxalbumins, one a globulin, acting more particularly on the blood, the other, a peptone (albumose?
On the other hand, Brunton and West have observed vomiting produced in animals after injection of copper peptone into the jugular vein.
The method of using the peptone makes it doubtful, in the first place, whether the major part of the metals is present in colloidal form, or merely in the form of peptonates, i.
A mixture of gelatin, peptone and salt water, the chief incidental constituents of a secretin preparation, gives as striking results as ever obtained from secretin administration.
Thus prepared, the peptone shows no signs of decomposition on keeping.
Oliver, of Harrogate, has proposed the use of an acidulated peptone solution for this purpose, and the reaction is undoubtedly a good one.
As already stated, peptone so injected may appear in the urine wholly unaltered.
Further, by direct injection of peptone into a lymphatic vessel, Shore has shown that even so small an amount as 0.
Under somewhat similar conditions, pure peptone diffused to the extent of eleven per cent.
There is perhaps a hint of this conclusion in the influence of alcohol on the absorption of peptone as brought out by some of Brandl’s experiments.
In this filtrate, peptone can be detected by adding to a small portion of the fluid a very large excess of a strong solution of potassium hydroxide, followed by the addition of a few drops of a very dilute solution of cupric sulphate.
To provide peptone beef-broth, ten grains of peptone and five grains of common salt are added to every litre of acid beef-broth.
Hence the addition of acid only to a peptone culture of cholera yields the "red reaction" of indol.
It was made as follows: A veal broth containing peptone and glycerine was inoculated with a pure culture of the bacillus and incubated at 38° C.
Hence the indol test may be applied by simply adding to the peptone culture several drops of strong sulphuric acid, when in the course of several hours, if not at once, there will be produced a pink colour, the "cholera red reaction.
As pointed out above, these so-called predigested foods contain no fats; the carbohydrates in them are the ordinary sugars present in our common foods, while the proteins belong to the peptone or albumose class.
This is another mystification, for an ethereal solution of any kind of peptone would be a novelty.
Beef-soup or beef-peptone is to be added to the baby's food daily.
Peptone is formed out of ordinary albumen, as grape-sugar is formed out of starch, by taking up water; it is therefore the hydrate of albumen.
I have already stated that a mixture of fresh blood with a sufficient dose of Cobra-venom is non-coagulable, as though the blood on issuing from the animal had been mixed with peptone or leech-extract.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "peptone" in a variety of sentences. We hope that you will now be able to make sentences using this word.
