栄養価

1. Origins, structure, and basic meaning

• Structure: 栄養価(えいようか) adds 価, value, to 栄養, giving the meaning nutritional value.
• Basic usage: It evaluates food or ingredients in nutritional terms, as in 栄養価が高い.

2. Common pitfalls and similar expressions

• 高まる and 高める
  • 栄養価が高まる describes nutritional value increasing, while 栄養価を高める focuses on an action that increases it. が marks what changes; を marks what someone increases.
• Price and nutrition as separate criteria
  • 値段だけでなく栄養価も adds nutritional value to price as a criterion.