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Definition of Helenin
1. n. A neutral organic substance found in the root of the elecampane (Inula helenium), and extracted as a white crystalline or oily material, with a slightly bitter taste.
Definition of Helenin
1. Noun. A stearoptene from Inula helenium; it is used as an internal and external antiseptic. ¹
¹ Source: wiktionary.com
Medical Definition of Helenin
1.