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KMID : 0353019710080020281
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Korean Journal of Public Health
1971 Volume.8 No. 2 p.281 ~ p.287
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A Hygienical Study on the Soft Drinks and the Lactic Fermented Water in Korea
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Abstract
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A study on Hygienical Status of Soft Drinks and the Lactic Fermented Water sold at markets in Korea was made to find out Bacterial Contamination.
For this Study, 240 samples were collected at markets in this country from June, 1971, to November, 1971 and were examined. The results obtained were as follows.
1. Out of 100 items of Iced Tea sold on the Street, 78 were contaminated with the T.V.B. and 85 with the coliform group.
2. Out of 77 items of Soft Drinks sold on the street, 9 included foreign bodies (Sod. Cyclomate etc.), 8 included antiseptics and 4 were contaminated with T.V.B.
3. When E. coli were inoculated in the Soft Drink, extinction time became rapid as the temperature increase.
4. The Lactobacilli in Lactic Fermented Water (Yogurt) was completely destroyed within 120 hours affer manufacture when kept at temperature, 2-5℃.
5. Out of 18 items of Lactic Fermented water, 9 were unsatisfactory ratings.
6. When enteric bacteria was inoculated in Yogurt, Cholera(El tor) bacilli survived for 5 minutes and Salmonella typhoid & E. coli for one hour.
7. The Lactobacilli produced in this country are 3 kinds; Latobacillus sporogenes, Streptococcus faecalis. and Latobacillus bulgaricus.
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