You did not fill in all figures that are required. Note that you need to fill in 3 figures in the scheme and the final answer in the table above.

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Hints:

1: summarize in the excel sheet all data for SFA. Remember that this are the fatty acids with notation C6, C8, C10, C12, C14, C15, C17 etc. Fill in this answer in the figure: (Please use the theory button to refresh your knowledge on the notation of fatty acids).

2: Multiply this with F (= 0.956) to get the amount of SFA per g lipids. Add this answer to the figure.

3: Multiply this with 0.80 (the fat fraction in margarine). This will give you the final amount of SFA in g per 100 g margarine. Add this answer to the figure and to the table.

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additional files:

|  | This is the information you would like to include in your database: Total fat (g/100g): Total PUFA (g/100g) : Total MUFA (g/100g) : Total SFA (g/100g) : Total trans fatty acids (g/100g) : Total n-3 FA (g/100g) : Total n-6 FA (g/100g): |  |

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Now calculate the amount of SFA in gram per 100 gram margarine.

Use the lab results and figures provided in the diagram to do this step by step. You can use excel to do the calculations (this is the most efficient way) or you can do it by using a pocket calculator

So far you know the lab used a reliable and applicable methods to determine the fatty acid profile of the margarine. Therefore you can start with completing your database.