Delta undecalactone has a creamy, peach-like aroma.
Gamma dodecalactone has a fatty, peachy, somewhat musky odor and buttery, peach-like flavor.
Gamma Heptalactone has a sweet, nut-like, caramel odor and a malty, caramel, sweet, herbaceous taste.
Gamma Hexalactone has a warm, powerful, herbaceous, sweet odor and a sweet, coumarin-caramel taste.