Detection of camellia oil adulteration using chemometrics based on fatty acids GC fingerprints and phytosterols GC–MS fingerprints

•Fatty acids and sterols with chemometrics were used to authenticate camellia oil.•PCA can differentiate camellia oil using triterpene alcohols.•PLS-DA can help discriminate the specific adulterated oil types.•PLS can be successfully applied for the adulterated level prediction.•Less than 22 key mar...

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