Folksonomy/Property/nutrition facts:per ml
A product can have a nutritional table, which is presented per 100 mL. These are (usually?) fluids. And these fluids have a different density from 1, which is the case for many beverages. The values in the table are then set per gram.
Example
nutrition_facts:per_ml=yes
Usage
The property nutrition_facts:per_ml is followed by the text 'yes'.