By looking more closely at all the products we can identify other categories. Only if there are a lot of products in each category or if the nutritional values deviate to much, it is worthwhile to create these new products
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* pure olive oils: the current olive oils category should be renamed to pure olive oils to indicate that these products contain only one ingredient. This helps also to distinguish from the other olive oils.
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* [https://world.openfoodfacts.org/cgi/search.pl?action=process&tagtype_0=categories&tag_contains_0=contains&tag_0=olive%20oil%20sprays&sort_by=unique_scans_n&page_size=20 olive oil sprays] for olive oil contain other ingredients to make it sprayable. As the serving is only 0.25g, the nutritional values per serving are all zero (thanks to rounding).
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* enhanced olive oils: these olive oils have added vitamins for children(?)
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* [https://world.openfoodfacts.org/cgi/search.pl?action=process&search_terms=flavoured%20olive%20oils&tagtype_0=categories&tag_contains_0=contains&tag_0=flavoured%20olive%20oils&sort_by=unique_scans_n&page_size=20 flavoured olive oils]: these olive oils have added flavours (garlic, etc.)
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=== Canonical fat percentages ===
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Many products use, what seems as, standard canonical values for nutritional values. Looking at the other products these seem not to reflect the real product.