The process of keeping food and raw materials at low temperatures to stop the growth and activity of microorganisms and slow the action of enzymes to prevent spoilage. Strictly speaking, there are three types of temperature storage: constant temperature storage (10 to 0°C), refrigeration (do not freeze below 0°C), and freezing (freezing below -15°C). Of these, constant temperature storage at 0 to 10°C is the most common, but since it cannot completely stop the activity of microorganisms and enzymes, the stored items will spoil after a certain period of time. For this reason, it can be said to be more suitable for short-term preservation than refrigeration or freezing, but the optimal storage temperature varies depending on the type of food and raw materials. Ice or dry ice is used on a small scale, but for long-term and large-scale storage, a refrigerated warehouse is used. Care must be taken with ventilation to prevent deterioration of the quality of stored items due to excessive humidity and air contamination caused by sealing. →Related topic: Salting Source : Heibonsha Encyclopedia About MyPedia Information |
食品や原材料などを低温に保持することにより微生物の生育・活動を停止させ,また酵素の作用を遅らせて腐敗を防ぐこと。厳密には定温貯蔵(10〜0℃),冷蔵(0℃以下で凍結させない),冷凍(−15℃以下で凍結させる)に分けられる。このうち最も一般的な0〜10℃で行う定温貯蔵は,微生物や酵素の活動を完全には停止できないので,ある期間をすぎると貯蔵物は変敗する。このため冷蔵・冷凍よりも短期間の保存・貯蔵に適するとも言えるが,最適な貯蔵温度は食品や原材料の種類によって異なる。小規模には氷やドライアイスが用いられるが長期にしかも大規模に行う場合には冷蔵倉庫を用いる。過湿,密閉による空気の汚染などによる貯蔵物の品質低下を防ぐため換気に注意することが必要。 →関連項目塩蔵 出典 株式会社平凡社百科事典マイペディアについて 情報 |
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