Transactions - National Tuberculosis Association Volume . 18

Transactions - National Tuberculosis Association Volume . 18

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1922 edition. Excerpt: ... Whether it has any attenuating property in the long run, comparable to bile, remains to be seen. 4. The most interesting and definite findings have been the increased granular appearance and granulation of the T. Be. and allied bacteria after contact with cod-liver oil, especially in view of the fact that similar changes have been observed in the bacilli from sputum of patients treated with sodium morrhuate. Cod-liver extract had the opposite effect on the tubercle bacilli. 5. Cod-liver oil extracted with as little heat as possible and not refined in any way seemed to have had a more potent action than commercial refined oil or oil extracted by heat. This would suggest that it is important that the source and manner of extraction of cod-liver oil and derivatives used in further research work be known. 6. If there is any radioactive property of cod-liver oil it is not sufficient to affect x-ray films exposed to it for one week. Investigations carried out with sensitive apparatus, the ionisation chamber for example, might show the cod-iiver oil to have sufficient radioactivity for therapeutic and bactericidal action. Further work on this study is in progress. We have prepared potassium salts (soaps) from our cod-liver oil, refined cod-liver oil, cottonseed oil and chaulmoogra oil. Attempts to incorporate them in culture media have not been entirely successful so far except with the chaulmoogra soap, which we have incorporated in nutrient glycerine broth and agar in amount as great as 5 per cent. We intend to study the action of these soaps on the T. Be. and other bacteria by different techniques to try to gain an accurate idea of their bactericidal, attenuating or inhibiting values, as well as to study the morphological and staining more

Product details

  • Paperback | 316 pages
  • 189 x 246 x 17mm | 567g
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 1236494822
  • 9781236494825