Practical Guide in Freezing and Thawing of Food實用指南在冷凍和解凍的食品

For a person like me who is prone to food poisoning, I take extra care when comes to cooking.對於像我這樣的人，誰是容易發生食物中毒，我格外小心，當來到做飯。 I used to cook when I were study in overseas.我過去做飯時，我是在海外學習。 Much of the tips I learned it from my house mates and my mum.大部分的技巧我知道我家從隊友和我母親。 As I bought grocery including meats once a week, I put them in the freezer.正如我買雜貨，包括肉類，每星期一次，我把它們冷凍。

Today, let's look at some tips about freezing and thawing of food. Food should never be thawed at room temperature .今天，讓我們來看看一些提示有關凍結和解凍的食品。 糧食絕不能在室溫下解凍 。 Instead, they should be thawed using one of these three ways:相反，他們應該使用一個解凍這三個方面：

• In a refrigerator在冰箱
• In a microwave在微波
• Immersed in cold water浸泡在冷水

Why can't we thaw meat at room temperature? When foods are defrosted at room temperature the surface of the food can quickly warm up. 為什麼我們不能解凍肉在常溫下？當食物在室溫下解凍，在表面的食物可以迅速升溫。 If held above this temperature for more than two hours, harmful microorganisms or their toxins will increases, which can lead to food poisoning when consumed.如果超過這個溫度舉行了兩個多小時，有害的微生物或其毒素會增加，從而導致進食後食物中毒。 Those at highest risk for food borne illness include infants and young children, pregnant woman, older adults and people with weakened immune systems.那些在最危險的食源性疾病包括嬰幼兒，孕婦，老年人和人民削弱免疫系統。

Therefore, the safest way to thaw meat is in a refrigerator .因此，最安全的方式解凍肉在冰箱中 。 When defrosting by microwave, food often starts to cook, creating warm spots where bacteria could potentially grow.當微波解凍，食物往往開始做飯，創造溫暖的地點是可能的細菌生長。 It is therefore recommended that food defrosted in a microwave be cooked immediately.因此，建議的食物在微波爐解凍立即烹煮。 It can then be consumed or stored in the fridge for later use.由此可以飲用或存放在冰箱裡供以後使用。

I do not recommend you to completely thaw meat and then refreeze it.我不建議你完全解凍的肉類，然後重新凍結它。 Instead, you should completely cook the meat and then freeze it.相反，你應該徹底煮熟的肉類，然後予以凍結。

So, the next time you have leftover pasta sauce which has beef and pork, can you cook it, then froze it, defrost it and cook again?因此，下次你有剩餘的麵食醬牛肉和豬肉了，你做飯，那麼它凍結，解凍，並煮呢？ In other words, you may wonder whether you can refreeze leftovers more than one time. Refreezing leftovers more than once is not recommended. Your leftover pasta sauce should be frozen and reheated only once.換句話說，你可能會懷疑你是否能重新凍結剩菜超過一次。 重新凍結剩菜超過一次 ， 不建議。您剩餘的麵食醬應該凍結並加熱一次。 The key is to freeze in several small portions rather than one large batch and take out only what you need.關鍵是要凍結若干小部分，而不是一個大批量，取出只有你所需要的。 When you do reheat the frozen sauce, be sure to bring it to a boil before serving.當你再加熱的冷凍醬，一定要提請煮沸，然後再將。 Also, ensure that they are cooked thoroughly by stirring them during cooking.另外，確保徹底煮熟，是他們挑起烹調過程中。

How about ice cream, is it safe to eat ice cream after it has melted and then been refrozen? Unlike pasta sauce, ice cream is a perishable food product that needs to be kept frozen. 冰淇淋怎麼樣，是否安全食用冰淇淋融化後 ， 然後被再冷凍？不同的意粉醬，冰淇淋是一種容易變質的食品，需要保持凍結。 Therefore, it is not recommended to eat thawed ice cream.因此，建議不要吃冰淇淋解凍。 If it was left at room temperature for longer than two hours, it may have spoiled with microorganisms that cause foodborne illness.如果是在室溫下超過兩小時，很可能已變壞的微生物引起的食源性疾病。 In fact, the texture of the ice cream after refreezing may not be that good anymore.事實上，紋理的冰淇淋後重新凍結可能不那麼好了。

Here are some summarized guidelines to help determine what you should keep and what to throw away:這裡有一些概括指引，以協助確定您應該保留，哪些扔掉：

• Do not refreeze highly perishable foods such as fish, seafood, melted ice cream, cream pies or custard fill pastries.不要重新凍結容易腐壞的食物，如魚，海鮮，融化的冰淇淋，奶油餡餅或釋迦填寫糕點。
• Meat can be refrozen if it feels firm, contains ice crystals or is partially frozen.可再冷凍肉類，如果覺得公司，含有冰晶或部分凍結。 Rigid containers have to be opened and inspected for adequate ice crystals.硬質容器必須打開並檢查了足夠的冰晶。
• If meat packages look like meat juices have leaked through – discard.如果肉類包裝看起來肉汁已經洩漏通過-拋棄。 Discard any foods that have been contaminated by raw meat juices from other packages.放棄任何食物已被污染的生肉，果汁等包裝。
• Refreeze vegetables only if they have plenty of ice crystals present.重新凍結的蔬菜只有他們是否有足夠的冰晶存在。
• If you are in doubt, throw it out!如果您有疑問，扔掉它！

Last small little tip, if you have too much food in your fridge, write down the date on your leftovers.最後一點小技巧，如果你有太多的食物在你的冰箱，寫下你的剩菜日期。

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