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What is the difference in the location of the first double bond in an omega-3and an omega-6-fatty acid (see Chemistry Link to Health "Omega-3-Fatty Acids in Fish Oils")?

Short Answer

Expert verified
  • Linolenic acid is an omega-3-fatty acid, with its initial double bond at carbon3.
  • Linoleic acid is an omega-6-fatty acid, with its initial double bond at carbon6.

Step by step solution

01

Introduction

  • Saturated and unsaturated fatty acids are the two types available.
  • Unsaturated fatty acids are formed when a lengthy chain of carboxylic acids contains double or triple bonds.
  • A fatty acid chain is said to be saturated when it contains all of the single bonds in its structure.
02

Explanation for Omega-3

  • A double bond exists on carbon 3counting the methyl group in an omega-3 fatty acid.
  • Linolenic acid is an omega-3fatty acid, with its initial double bond at carbon 3.

03

Explanation for Omega-6

  • A double bond starts at carbon 6counting from the methyl group in an omega-6 fatty acid.
  • Linoleic acid is an omega-6fatty acid, with its initial double bond at carbon 6.

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