Hygienic Laboratory bulletin. no. 41, 1908, Issue 41U.S. Government Printing Office, 1908 |
From inside the book
Results 1-5 of 55
Page 250
... fermentation tubes and incubating at 30 ° C. for three days . When gas formation took place the quantity was estimated by the ruled scale method , as described by Frost in his Laboratory Manual . An endeavor was made to determine ...
... fermentation tubes and incubating at 30 ° C. for three days . When gas formation took place the quantity was estimated by the ruled scale method , as described by Frost in his Laboratory Manual . An endeavor was made to determine ...
Page 251
... fermentation tubes were inoculated with 0.01 cubic centimeter of the sample . Reports on the presence or absence of streptococci have been made on 115 of the above samples ; 38.3 per cent of this number showed the presence of the ...
... fermentation tubes were inoculated with 0.01 cubic centimeter of the sample . Reports on the presence or absence of streptococci have been made on 115 of the above samples ; 38.3 per cent of this number showed the presence of the ...
Page 253
... fermenting or- ganisms showed that when 2 per cent dextrose fermentation tubes were inoculated with 0.01 cubic centimeter 51.53 per cent of the samples developed gas . Between January 12 and July 2 , 1907 , a bacteriological examina ...
... fermenting or- ganisms showed that when 2 per cent dextrose fermentation tubes were inoculated with 0.01 cubic centimeter 51.53 per cent of the samples developed gas . Between January 12 and July 2 , 1907 , a bacteriological examina ...
Page 309
... fermentation and the abnormal fermentations of milk . Under this last section a few pages are also devoted to the subject of poisoning by milk , galactotoxismus . Under section 1 the destructive effect of heat on the milk enzymes is ...
... fermentation and the abnormal fermentations of milk . Under this last section a few pages are also devoted to the subject of poisoning by milk , galactotoxismus . Under section 1 the destructive effect of heat on the milk enzymes is ...
Page 328
... ferment , and have made use of this test as a means of determining the destruction temperature of galactase . This we now know is merely a test and measure of the peroxidase activity of the solution and not a test or measure of the ...
... ferment , and have made use of this test as a means of determining the destruction temperature of galactase . This we now know is merely a test and measure of the peroxidase activity of the solution and not a test or measure of the ...
Common terms and phrases
amount animals average bacteria per cubic bacteriological Board of Health boiling boric acid bottles butter fat casein caseinogen cattle cause cent chemical Circumstances of outbreak clean consumer cow's milk cows cubic centimeter dairy farm dairyman digestion diphtheria disease District of Columbia epidemic examination feeding fermentation goats guinea pigs health officer heated ice cream infants infected inoculated inspection inspector Jour July July 15 July 29 lactic acid leucocytes market milk method milk containing milk farm milk route milk sickness milk supply milker number of bacteria nursing obtained occurred pasteurization person poisonous pollution present produced proteids quantity raw milk rennin Report sale of milk samples of milk sanitary scarlet fever Sept sick skim standard sterilized streptococci substances sugar TABLE temperature tion Trace tubercle bacilli tuberculin tuberculosis typhoid fever typhosus udder Vanilla Wagon washed Washington water supply
Popular passages
Page 738 - Second. If it be labeled or branded so as to deceive or mislead the purchaser, or purport to be a foreign product when not so, or if the contents of the package as originally put up shall have been removed, in whole or in part, and other contents shall have been placed in such package...
Page 738 - ... package as originally put up shall have been removed in whole or in part and other contents shall have been placed in such package or if it fail to bear a statement on the label of the quantity or proportion of any morphine, opium, cocaine, heroin, alpha or beta eucaine, chloroform, cannabis indica, chloral hydrate, or acetanilide, or any derivative or preparation of any such substances contained therein.
Page 738 - ... any added poisonous or other added deleterious ingredient which may render such article injurious to health: Provided, That when in the preparation of food products for shipment they are preserved by any external application applied in such manner that the preservative is necessarily removed mechanically, or by maceration in water, or otherwise, and directions for the removal of said preservative shall be printed on the covering or the package, the provisions of this act shall be construed as...
Page 738 - In the case of mixtures or compounds which may be now or from, time to time hereafter known as articles of food, under their own distinctive names, and not an imitation of or offered for sale under the distinctive name of another article...
Page 740 - ... exported by the consignee within three months from the date of notice of such refusal under such regulations as the Secretary of the Treasury may prescribe: Provided, That the Secretary of the Treasury may deliver to the consignee such goods pending examination and decision In...
Page 733 - drug," as used in this Act, shall include all medicines and preparations recognized in the United States Pharmacopoeia or National Formulary for internal or external use, and any substance or mixture of substances intended to be used for the cure, mitigation, or prevention of disease of either man or other animals. The term "food...
Page 738 - Sixth. If it consists in whole or in part of a filthy, decomposed, or putrid animal or vegetable substance, or any portion of an animal unfit for food, whether manufactured or not, or if it is the product of a diseased animal, or one that has died otherwise than by slaughter.
Page 740 - person " as used in this Act shall be construed to Import both the plural and the singular, as the case demands, and shall Include corporations, companies, societies, and associations. When construing and enforcing the provisions of this Act, the act, omission, or failure of any officer, agent, or other person acting for or employed by any...
Page 735 - Provided that no person shall be guilty of any such offence as aforesaid in respect of the sale of an article of food or a drug mixed with any matter or ingredient not injurious to health, and not intended fraudulently to increase its bulk, weight, or measure, or conceal its inferior quality, if at the time of delivering such article or drug...
Page 579 - If in any milking a part of the milk is bloody or stringy or unnatural in appearance, the whole mess should be rejected.