脂肪酸(しぼうさん)

しぼうさん
noun
fatty acid
1. fatty acid
A carboxylic acid with a long hydrocarbon chain. Fatty acids are the building blocks of fats and oils and play key roles in nutrition, metabolism, and the chemistry of food and skincare products. Commonly discussed in terms of 飽和(ほうわ)脂肪酸(しぼうさん) ('saturated fatty acids') and 不飽和(ふほうわ)脂肪酸(しぼうさん) ('unsaturated fatty acids').
脂肪酸(しぼうさん)の種類(しゅるい)。
Types of fatty acids.
魚(さかな)には体(からだ)に良(よ)い脂肪酸(しぼうさん)が多(おお)く含(ふく)まれている。
Fish contains many fatty acids that are good for the body.
不飽和(ふほうわ)脂肪酸(しぼうさん)は常温(じょうおん)で液体(えきたい)であることが多(おお)い。
Unsaturated fatty acids are often liquid at room temperature.
飽和(ほうわ)脂肪酸(しぼうさん)の摂(と)りすぎは生活(せいかつ)習慣(しゅうかん)病(びょう)のリスクを高(たか)めるとされている。
Excessive intake of saturated fatty acids is said to increase the risk of lifestyle-related diseases.

Compound of 脂肪(しぼう) ('fat; adipose tissue') and 酸(さん) ('acid'). The 酸(さん) suffix appears in many chemistry terms: 塩酸(えんさん) ('hydrochloric acid'), 硝酸(しょうさん) ('nitric acid'), アミノ{酸(さん)|} ('amino acid').

USAGE:
Standard scientific term used in chemistry, biology, nutrition, food science, and health media. Familiar to general readers through nutrition labeling and health articles that discuss saturated fat, trans fat, and omega-3 / omega-6 fatty acids.

COMMON COLLOCATIONS:

  • 飽和(ほうわ)脂肪酸(しぼうさん): saturated fatty acid
  • 不飽和(ふほうわ)脂肪酸(しぼうさん): unsaturated fatty acid
  • 必須(ひっす)脂肪酸(しぼうさん): essential fatty acid
  • オメガ3脂肪酸(しぼうさん): omega-3 fatty acid
  • 脂肪酸(しぼうさん)を摂取(せっしゅ)する: to take in fatty acids
  • 脂肪酸(しぼうさん)組成(そせい): fatty acid composition
  • 脂肪酸(しぼうさん)が含(ふく)まれる: fatty acids are contained

RELATED TERMS:

  • 脂肪(しぼう): fat (the substance or body fat)
  • 油脂(ゆし): oils and fats (generic)
  • 中性(ちゅうせい)脂肪(しぼう): neutral fat; triglyceride
  • コレステロール: cholesterol
  • 栄養素(えいようそ): nutrient
  • 有機酸(ゆうきさん): organic acid — the broader chemistry category

CULTURAL / HEALTH CONTEXT:
Fatty acids are frequently discussed in Japanese health media. Public health advice commonly urges reducing 飽和(ほうわ)脂肪酸(しぼうさん) intake and increasing 不飽和(ふほうわ)脂肪酸(しぼうさん) intake, particularly from fish oils rich in EPA and DHA.

general
Added 2026.4.15 5:26
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