这个词是什么意思？
A naturally-occurring class of MONOTERPENES which occur as a clear colorless liquid at room temperature. Limonene is the major component in the oil of oranges which has many uses, including as flavor and fragrance. It is recognized as safe in food by the Food and Drug Administration (FDA).
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000077222 · MeSH 2026。
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