Juice Deaeration 真空處理果汁

Ever wonder why cheap orange juice tastes so awful and “natural flavor” is needed in basically all of them? Try deaerating orange juice at home and you will know why.
有否想過為何酒樓用的便宜橙汁那麼難喝,又為何多數橙汁都需要「天然香料」?在家嘗試為橙汁進行真空處理就知道了。

Extended reading 伸延閱讀:
http://civileats.com/2009/05/06/freshly-squeezed-the-truth-about-orange-juice-in-boxes/
http://www.sciencedirect.com/science/article/pii/S0023643803000410

2013-12-21 14.10.40 For this experiment we used Sunkist Navel oranges. Not as good as Valencia for making juice, but we had to settle with what we could get.
2013-12-21 14.19.32  The deaeration process is conducted through off-the-shelve juice squeezer and vacuum storage bag.
 2013-12-21 14.40.51  Ask a friend to try the juice, both deaerated and not. Here we did a single-blind test.

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