Report to the Local Government Board upon the effects of certain condensing and drying processes used in the preservation of milk upon its bacterial contents / by Dr. S. Delépine.

  • Auguste Sheridan Delépine
Date:
1914
Catalogue details

Licence: Public Domain Mark

Credit: Report to the Local Government Board upon the effects of certain condensing and drying processes used in the preservation of milk upon its bacterial contents / by Dr. S. Delépine. Source: Wellcome Collection.

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    TABLE II, Omidenemt TAbHIARSA summary of the most salient results of the inoculation tests’ o© means no obvious lesion, + slight lesions, tf well marked ge fo en SHEE NICE ESN NR AE ROO NES AR NEES ET RLS EE TET TL PTE 8 LE AT ES MEET ST ST EE ES ES Laboratory} No. of ee, Tiieation books sample N: t f 1 iS t ‘ t 1. t * ] of re | of ene enn Sa injoed. | SEs C.C Days. | Mixed milk on its arrival at the factory, before admix- ture with infective material. 2119 A ] 50 gallons used in experiment with tuberculous milk ... 40 46 2119 B I Do. do. do. 40 33 2123 A 5 Mixed milk from 1,000 gallons tank... ie Us 40 78 2123 B 5 Do. do. 40 12 2124 A 6 Same milk as above (spec. 5) after passage through 40 43 heater (2nd method) and heating to 86° C. 2124 B 6 Do. do. do. 40 78 j Tuberculous infective material used in the experiments. : 2132 A — Potato culture of Bacillus 128 (23 days at 37° C.) 1 21 mixed with 140 c.c. of sterilised milk. 2132 B Potato culture of Bacillus 128 (47 days at 37° C.) I 21 mixed with 140 c.c. of sterilised milk 2133 A ~— | Milk culture of Bacillus 128 (23 days at 37° C.)... : 1 22 2133 B ma a Glycerine milk culture of Bacillus 128 (23 days at 37° 1 22 ene) 2134 A — | Milk from the 4 quarters of the tuberculous udder of I 23 | cow. (M.B. 8747.) } | | Mizture of tuberculous infective material with 50 gallons of ordinary milk—used in experiment. 2120 A 2 | Milk taken from churn just before treatment (11.15 a.m, ) 40 43 2120 B pl | Do. do. do. -40 13 APA MACH ED DuGhnleeN L mR Cle Be NN heise OA Te ane Tuberculous milk during and after treatment. 2121 A 3 After pasteurisation at 77° C. (11.35a.m.)... vy 40 6 2121 B 3 Do. do. | ae BaP 40 78 2122 A 4 After heating up to 92° C. (11.45 a.m.) san ay 40 78 2.22 B 4 Do. do. isd saps 40 47 2125 A Ay After addition of sugar (12.57 p.m.) ... tak oe 40 50 2125 B 7 Do. do. 40 78 2126 A 8 Condensed, just finished, taken from outlet of vacuum | 40 78 2196 B 8 pan, reconstituted by adding 2 parts of sterile water 40 78 to 1 part of condensed milk (1.14 p.m.). 2127 A 9 Condensed milk taken from cooling cylinder after 40 51 cooling for 1 hour 20 minutes (2.34 p.m.). 2127 B Do. do. do, ° 40 78 *N.B.—When the quantity of milk tested exceeded 2 ¢.c. the milk was centrifugalised and sample a separate syringe previously sterilised by steam under. pressure was used. It will be noticed that the natural tuberculous milk obtained direct from the with cultures on ** See description of Author’s method—‘“ The value of experimenta:
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