(3S,5S)-1-(4-Hydroxy-3-methoxyphenyl)-7-phenyl-3,5-heptanediol is a heptane compound that can be isolated from Alpinia oxyphylla.

Echinacoside is a natural polyphenolic compound, has various kinds of pharmacological activities, such as antioxidative, anti-inflammatory, neuroprotective, hepatoprotective, nitric oxide radical-scavenging and vasodilative ones

Ethyl phenylacetate is a “greener" solvent with low toxicity. Ethyl phenylacetate is a non-mutagenic and is a Kosher food additive.