Lipids formula

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7 Terms

1
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Theoretical amount of triacylglycerols

number of fatty acids³

2
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Number of glycerols taken into account the isomers

where n is the number of different fatty acids

<p>where n is the number of different fatty acids</p>
3
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Formula expected triacylglycerol composition

Depending on how many different fatty acids are in the triacylglycerol, n can change:

  • Only one (e.g. LLL): n = 1

  • Two (e.g. LLO): n = 3

  • Three (e.g. SLO): n = 6

<p>Depending on how many different fatty acids are in the triacylglycerol, n can change:</p><p></p><ul><li><p>Only one (e.g. LLL): n = 1</p></li><li><p>Two (e.g. LLO): n = 3</p></li><li><p>Three (e.g. SLO): n = 6</p></li></ul><p></p>
4
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Molecular weight fatty acids

  • Number of C

  • Number of H: 2* number of C -1

  • +OOH

C + (2*C-1)+OOH 

5
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Molecular weight of glycerol (without the three fatty acids)

  • Three carbons

  • Three oxygen

  • Eight hydrogens

<ul><li><p>Three carbons</p></li><li><p>Three oxygen</p></li><li><p>Eight hydrogens</p></li></ul><p></p>
6
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Average molecular weight of oil

(Percentage * molecular weight)/(percentages/100)

7
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Iodine value formula

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