Mass
Properties that take Mass as values are of the form '<Number> <Mass unit of measure>'. E.g., '7 kg'.
Data typeschema.org/Mass
Where Mass is used as a value
These properties expect a Mass: carbohydrateContent, cholesterolContent, fatContent, fiberContent, proteinContent, saturatedFatContent, sodiumContent, sugarContent, transFatContent, unsaturatedFatContent, weight.