栄養素

1. Origins, structure, and basic meaning

• Structure: 栄養素 (えいようそ) is a compound noun for a component such as protein or a vitamin needed for bodily growth and function.
• Basic usage: 食材ごとの栄養素が異なる describes nutrient differences among ingredients, while 一つの栄養素だけに偏らない recommends a menu not dominated by one component.

2. Common pitfalls and similar expressions

• Ingredient composition and dietary balance
  • 栄養素が異なる concerns differences in type or amount, whereas 栄養素だけに偏る concerns imbalance of selection. A whole food is not identical to one nutrient.