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245 bytes added ,  13:15, 16 December 2020
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The products sold in the note a serving size on 15 ml on their packaging, which is equivalent to 1 tablespoon. Instead of the 15 ml, a weight of 14 g can be given. This weight corresponds to the specific gravity of 0.911 of olive oils ([https://en.wikipedia.org/wiki/Olive_oil wikipedia]). On products sold in Europe a serving size of 10 ml can sometimes be found. The usefulness of having a serving size for a cooking aid can be debated. In fact 15 ml seems a lot.
 
The products sold in the note a serving size on 15 ml on their packaging, which is equivalent to 1 tablespoon. Instead of the 15 ml, a weight of 14 g can be given. This weight corresponds to the specific gravity of 0.911 of olive oils ([https://en.wikipedia.org/wiki/Olive_oil wikipedia]). On products sold in Europe a serving size of 10 ml can sometimes be found. The usefulness of having a serving size for a cooking aid can be debated. In fact 15 ml seems a lot.
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=== Canonical nutritional values ===
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=== Nutritional values ===
 
Many products use, what seems as, standard canonical values for nutritional values. The canonical values for energy (wikipedia) are 3700 kJ or 880 kcal. The products use 900 kcal instead. In total there are [https://world.openfoodfacts.org/cgi/search.pl?action=process&tagtype_0=categories&tag_contains_0=contains&tag_0=Olive%20oils&nutriment_0=energy-kcal&nutriment_compare_0=gt&nutriment_value_0=890&nutriment_1=energy-kcal&nutriment_compare_1=lt&nutriment_value_1=910&sort_by=unique_scans_n&page_size=20 1957 products] with this value.
 
Many products use, what seems as, standard canonical values for nutritional values. The canonical values for energy (wikipedia) are 3700 kJ or 880 kcal. The products use 900 kcal instead. In total there are [https://world.openfoodfacts.org/cgi/search.pl?action=process&tagtype_0=categories&tag_contains_0=contains&tag_0=Olive%20oils&nutriment_0=energy-kcal&nutriment_compare_0=gt&nutriment_value_0=890&nutriment_1=energy-kcal&nutriment_compare_1=lt&nutriment_value_1=910&sort_by=unique_scans_n&page_size=20 1957 products] with this value.
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[[File:OliveOils100mlFatDistribution20201216.jpg|thumb|center|Distribution of fat percentage smaller than 97% (16-dec-2020)]]
 
[[File:OliveOils100mlFatDistribution20201216.jpg|thumb|center|Distribution of fat percentage smaller than 97% (16-dec-2020)]]
 
Interestingly we have another distribution with two peaks. So where does the upper peak come from. Looking at the origin of the data, it looks like these products have nutritional values listed per serving. The canonical fat per serving is 14g, which calculates to 93.3%, corresponding to this second peak.
 
Interestingly we have another distribution with two peaks. So where does the upper peak come from. Looking at the origin of the data, it looks like these products have nutritional values listed per serving. The canonical fat per serving is 14g, which calculates to 93.3%, corresponding to this second peak.
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The distribution of the saturated fat percentages no not present obvious multiple peaks (although the distribution does not seem symmetrical:
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[[File:OliveOilsSaturatedFat20201216.jpg|thumb|center|Distribution of saturated fat percentages (16-dec-2020)]]
    
In conclusion we have three different group of products, whose data we can not compare.
 
In conclusion we have three different group of products, whose data we can not compare.
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