P-18 超音波に加熱を併用した殺菌効果の実験的検討
書誌事項
- タイトル別名
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- P-18 Experimental Study of the Ultrasonic Sterilizing Effects when used simultaneously with Heating
抄録
Cans filled with beverages are generally sterilized by heating. In order to reduce damages to the content caused by the heat sterilization, experimental studies were performed to lighten the heat-sterilizing conditions by ultrasonic irradiation. In the study, effects of the ultrasonic irradiating condition, subject bacterial strain, and experimental temperature were studied, and the effect on heat-resistant bacteria was also studied. The sterilizing effect against mesophilic bacteria by ultrasonic frequency was more significant in the order of 500kHz > 45kHz > 130kHz > 90kHz. Also, it was found that the sterilizing effect is not found against heat-resistant bacteria. In order to obtain the effect of ultrasonic irradiation, water is required as a medium. Also, lower frequencies are desirable with respect to the better sound transmission. Therefore, in view of the present sterilizing facilities, the conversion of hot-shower type sterilizer to hot-bath type and addition of vibration equipment to heat exchanger in the treatment of compounded liquid are considered appropriate. Further, this method was found to be not applicable to the pressurized sterilizer of over 100℃ temperatures because it is not effective against heat-resistant bacteria.
収録刊行物
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- ソノケミストリー討論会講演論文集
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ソノケミストリー討論会講演論文集 11 (0), 82-84, 2002
日本ソノケミストリー学会
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詳細情報 詳細情報について
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- CRID
- 1390282681028100352
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- NII論文ID
- 110009710199
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- ISSN
- 24241512
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可