natural-fragrance
Natural fragrance in plants refers to the volatile aromatic compounds — such as terpenes, phenylpropanoids, and esters — biosynthesized in specialized tissues and released to attract pollinators, deter herbivores, or mediate other ecological interactions. Understanding the biochemical pathways and genetic regulation behind these scent profiles is a central focus of plant science, offering insights into how plants adapt to their environments. This research also bridges fundamental biology with practical applications in agriculture, cosmetics, and the flavor and fragrance industries.
open_in_new WikipediaPubMed · 2026-04-30
Researchers compared the chemical profiles of essential oils and hydrosols — the aromatic water left over after steam distillation — from seven common herb species in the mint family. They found that hydrosols are chemically distinct from essential oils, carrying more water-friendly aromatic compounds that make them useful ingredients in their own right.
Hydrosols from all seven herb species showed a higher relative proportion of polar, water-soluble oxygenated compounds (such as alcohols and oxides) compared to their matched essential oils.
Essential oils were dominated by less polar, highly volatile compounds including monoterpene hydrocarbons and certain esters and ketones — categories less prominent in hydrosols.
Across all seven Lamiaceae species tested — including lavender, peppermint, oregano, and three sage varieties — oxygenated monoterpenes were the dominant chemical class in both distillation products.
