ABSTRACT
【Objective】To compare the fingerprint spectrum of amino acids(AA)of Lignum Santali Albi(LSA)from Indonesia,India and Australia.【Methods】Free AA and hydrolytic AA of LSA from Indonesia,India and Australia were analyzed by amino acid automatic analyzer.The detection wavelength was 570nm and 440nm.【Results】There were obvious differences among the free AA from three kinds of LSA.2S,4S-4-hydroxyproline(Hyp)was detected in Indonesian LSA in 11.77min(?=440nm)with the content of 1.431?7%,and became proline after hydrolysis.The peak of Hyp was not obvious or even undetectable in Indian LAS and Australian LSA.【Conclusion】There exist obvious differences among free AA from three kinds of LSA and 2S,4S-4-Hyp can be used as the specific compounds for the identification of LSA from Indonesia,India and Australia.