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강국희,윤쾌병,박무영 ( Kook Hee Kang,Kwai Byung Yoon,Moo Young Pack ) 한국축산학회 1983 한국축산학회지 Vol.25 No.4
About two percent of total farm milk received in a processing plant was found to be rejected through the alcohol test, a quick detection of acidified milk due to microbial contamination during the hot season. Even the accepted milk with acidity less than 0.16 sometimes showed microbial counts of around 60 million per ㎖ which is 15 times higher than the acceptable level of four million. Addition of H₂O₂ into fresh milk at the farm at 0.02% level could protect the milk against microbial decay at least 12 hours at 20 to 30 ℃. Under such conditions the added H₂O₂ was completely decomposed without aid of foreign catalase suggesting a safe use of H₂O₂ as a preservative in farm milk during transportation to processing plants.
강국희,윤쾌병,박무영 ( Kook Hee Kang,Kwai Byung Yoon,Moo Young Pack ) 한국축산학회 1983 한국축산학회지 Vol.25 No.4
A simple method, CYLINDER TEST, through which the coagulating defect occurring during lactic fermentation with heat denatured powder milk can be predicted was developed. Using the cylinder test method effects of storage conditions on the heat stability of powder milk were analysed. Among the conditions tested, three factors such as temperature, moisture, and duration were found to relate intimately to the stability of powder milk. Dry mills could be stored without damage in air tight plastic bags for eight weeks at 15 C under experimental conditions.