The following is the introduction of Natural Hexanal.
Delta decalactone has an oily, peach odor and taste.
Delta dodecalactone is a colorless to slightly yellowish liquid with a powerful fruity, peach-like, and oily odor.
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.