December 2016
Beginner to intermediate
504 pages
15h 49m
Japanese
Content preview from Cooking for Geeks 第2版 ―料理の科学と実践レシピ
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バニラエッセンスは、溶媒としてアルコールが使わ
れる典型的な例だ。植物由来の化合物で、水に溶け
るものはほとんどない。もし溶けたとすれば、自然
界では洗い流されてしまうことだろう。湯が使える
場合もある（ミントティーやカモミールティーを考
えてみてほしい）が、エッセンスを作る際には、抽
出したい分子に応じて、アルコールか油脂を使う必
要があるだろう。（ここでは詳しく説明しないが、
大部分のアロマは複数の化合物に由来する。）
バニラエッセンスを作るのは簡単だ。ウォッカなど
の蒸留酒のエタノール（
80
プルーフのウォッカには
約
40%
のエタノールが含まれる）は、バニラ豆に含
まれるバニラのアロマの元となる
200
種類以上の化
合物を溶かすことができ、その中にはバニラの特徴
的な風味の大部分を作り出すバニリンも含まれてい
るからだ。（いくつかの突出した化合物の比率の違
いが、さまざまなバニラの品種の香りの違いを作り
出す。）
バニラ豆はかなり高価なので、インターネットで購
入するのが良いだろう。バニラエッセンスを作るに
は、グレード
B
で十分だ。（グレード
B
は食品業界
で通常使われているものだ。さやは切り刻まれてし
まうのだから、見映えの良し悪しはあまり関係ない。）
ぴったりとふたのできる小さなガラスジャーに、以
下の材料を入れる。
□ バニラ豆：1さや（約5g）、長さ方向に切り開い
てジャーに入るように刻む
□ ウォッカ：大さじ2（30mL）（バニラ豆が十分浸
る程度の量）
□ 砂糖：小さじ1/2（2g）
ジャーのふたを閉めるかジャーの
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.