Category/Nuts/Walnuts

From Open Food Facts wiki
Jump to navigation Jump to search

The category Walnuts describes the edible seed of any tree of the genus Juglans (family Juglandaceae), particularly the Persian or English walnut, Juglans regia. The category has been subdivided into Fresh walnuts, which still have their shell, and shelled walnuts, without their shell. Any product with additional ingredients used as extra taste (chocolate, sugar or spices), should be put in another category.

Product names

The product names should contain the word Walnut or something related. Analysing these product names might help to find wrongly classified products or identify new subcategories. This should be done for each language. A word cloud gives a first impression.

Categorisation

Super-category

The super (parent) categories of Walnuts is:

Sub-categories

These subcategories are orthogonal: a product can be assigned one or more of the subcategories. This category has several subcategories:

Related categories

The ingredient Walnut occurs in some 1438 categories. Several categories have Walnut in their name:

Ingredients

The ingredients for Walnuts.

Walnuts

  • Minimal ingredients
  • Optional ingredients
    • Maybe salt and fat
  • Disallowed ingredients
    • none

Walnut kernels

  • Required ingredients
  • Optional ingredients
    • none
  • Disallowed ingredients
    • everything else

Fresh walnuts

  • Required ingredients
  • Optional ingredients
    • none
  • Disallowed ingredients
    • everything else

Production process/labels

not yet looked at

Nutritional information

Walnuts

lim min 10% med 90% max lim
Energy (kJ/100g) 2580 2520 2730 2880 2970 3160 3060
Fat (%) 44 63 65 68.5 75
Saturated fat (%) 2.2 5.36 6.1 7 16.1
Carbohydrates (%) 1.8 3.9 10.5 14 30
Sugars (%) 0 2 3 4 9.9
Fiber (%) 2 5 6.67 7.69 16
Proteins (%) 6.4 14 15.2 17 24.4
Salt (%) 0 0 0.001 0.03 0.93
Fruit (%) 100

Nutrition score

The nutrition score varies between -6 to 15. Most of the products above 5 do not take into account the percentage of nuts in the calculation. If the amount of fiber is missing from the table, the Nutrition score is to large and should be corrected by subtracting 5 points.

 
Walnuts Nutrition Score

Comparing categories

Not relevant.

Quality Monitoring

Generic errors

Superfluous categories

Only the categories that belong to the parents should be present as category. Checking the categories list might help finding wrong one.

Categorisation errors

Nutritional errors

Sales format

Walnuts are sold by:

  • package - pre-packed in the nuts aisles;
  • weight - in the bulk aisles;

Issues

It is possible to add categories for walnut flours, salted walnuts and roasted walnuts, but these contain very few products.

References