Inomotosou (
Pteris multifida Poiret) [I], Oobainomotosou (
Pteris cretica L.) [II] and Hitotsuba (
Pyrrosia lingua Farw.) [III] are plants belonging to the
Polypodiacea family. The chemical compositions of the essential oils of fresh by ground materials of [I], [II] and [III] were examined by techniques such as capillary GC, GC-MS and IR used in combinations. Compounds 32, 31 and 40 were identified from [I], [II] and [III], respectively.
The major common compounds found in oils from [I], [II] and [III] were hexanal, vanillin, 4-hexen-l-ol, 1-hepten-3-ol, 3-hydroxy-2, 2, 4-trimethylpentyl isobutyrate, and those found in both oils from [I] and [II] were carbonyl compounds, alcohols and esters such as heptanal, vanillin, 1-hepten-3-ol, isobutyl isobutyrate, 3-hydroxy-2, 2, 4-trimethylpentyl isobutyrate and ethyl cinnamate.
The components included in oils from [II] were quite similar to those from [I]. Both oils from [I] and [II] possessed odor like green and seaweed, and oil from [III] had a greenish and fatty acid-like odor though no odor like that of seaweed.
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