Translations:Fatty acid/1/ja: Difference between revisions

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Created page with "{{Fats/ja}} thumb|right|300px|いくつかの脂肪酸の三次元表現。[[Saturated and unsaturated compounds/ja|飽和脂肪酸は完全な直鎖構造を持つ。不飽和のものは、トランス配置でない限り、一般的に曲がっている。]] 化学、特に生化学において、'''脂肪酸'''とは脂肪族鎖を..."
 
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Latest revision as of 12:31, 26 February 2024

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Message definition (Fatty acid)
{{short description|carboxylic acid with a long aliphatic chain, either saturated or unsaturated}}
{{Fats}}
[[Image:rasyslami.jpg|thumb|right|300px|Three-dimensional representations of several fatty acids. [[Saturated and unsaturated compounds|Saturated]] fatty acids have perfectly straight chain structure. [[Unsaturated compound|Unsaturated]] ones are typically bent, unless they have a [[#Unsaturated fatty acids|trans]] configuration.]]
In [[chemistry]], particularly in [[biochemistry]], a '''fatty acid''' is a [[carboxylic acid]] with an [[aliphatic]] chain, which is either [[saturated and unsaturated compounds#Organic chemistry|saturated or unsaturated]]. Most naturally occurring fatty acids have an [[Branched chain fatty acids|unbranched chain]] of an even number of carbon atoms, from 4 to 28. Fatty acids are a major component of the lipids (up to 70% by weight) in some species such as microalgae but in some other organisms are not found in their standalone form, but instead exist as three main classes of [[ester]]s: [[triglyceride]]s, [[phospholipid]]s, and [[cholesteryl ester]]s. In any of these forms, fatty acids are both important [[diet (nutrition)|dietary]] sources of fuel for animals and important structural components for [[cell (biology)|cells]].
いくつかの脂肪酸の三次元表現。飽和脂肪酸は完全な直鎖構造を持つ。不飽和のものは、トランス配置でない限り、一般的に曲がっている。

化学、特に生化学において、脂肪酸とは脂肪族鎖を持つカルボン酸であり、飽和または不飽和のいずれかである。天然に存在する脂肪酸のほとんどは、4から28までの偶数の炭素原子を持つ非分岐鎖を持つ。脂肪酸は微細藻類のようないくつかの種では脂質の主要成分(最大70重量%)であるが、他のいくつかの生物では単独の形では見られず、代わりに3つの主要なクラスのエステルとして存在する: トリグリセリドリン脂質コレステリルエステルである。これらのいずれの形態においても、脂肪酸は動物にとって重要な食事燃料源であると同時に、細胞にとって重要な構造成分でもある。