GC-FID coupled with chemometrics for quantitative and chemical fingerprinting analysis of Alpinia oxyphylla oil

- The volatile profiling of Alpinia oxyphylla oils was successfully established.
- Quantitative determination and chemical fingerprints was achieved using GC-FID.
- GC fingerprints were analyzed with chemometric techniques.
- GC-MS was used to identify the principal compounds in the volatile oils.