煉製品の保藏に関する研究-IV : P. E. F による煉製品の保藏(その2)

概要

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On the P. E. F. the author reported in the previous papers a few physical properties and preser-vative effect of packing, and infered that the preservative period can be extent for 7 days in Summer season (at 30-32°C) by adding the antiseptics (Furaskin (nitrofurazone) in concentration 1/30, 000+D. H. A. (Dehydro acetic acid) in concentration 1/1000, ) and packing with P. E. F. In the present paper continued the expreriment in the concideration of manufactorial condition, and confirmed the following results. (1) To extend the sufficient preservative period in Summer season (about 10 days), the antiseptics such as Furaskin must be used at the same time with packing. (2) It must be packed before steaming and then sealed as soon as possible. (3) Instead of using the antiseptics, the application of the ultra-violet ray lamp can not be particularly expect.