Identification and Traceability of Smilax glabra Roxb. Rhizome by Fourier Transform Infrared Spectroscopy

doi:10.7506/spkx1002-6630-201412033

Abstract

Abstract:

The aim of this study was to establish a simple and rapid method to identify the rhizome of Smilax glabra Roxb.
and its adulterants from different sources. Fourier transform infrared spectroscopy (FTIR) combined with second derivative
spectra was used to analyze 30 samples of Smilax glabra Roxb. rhizome and adulterants. The differences in their fingerprint
characteristics were observed, which permit discrimination between Smilax glabra Roxb. rhizome and its adulterants from
different sources. Also an attempt was made to classify Smilax glabra Roxb. samples from different geographic sources by
second derivative spectra. This study demonstrated that infrared fingerprint combined with second derivative spectra can
be applied in the identification or quality and traceability control of Smilax glabra Roxb. rhizome. This method is specific,
rapid, stable and nondestructive.

Key words: Smilax glabra Roxb., infrared fingerprint, second derivative spectra, identification, traceability

CLC Number:

R282.5

ZHENG Jie, XIAO Feng-xia*, LIN Li, ZHENG Yu-xiang, LIN Jing-ran, LEI Zhou-xi. Identification and Traceability of Smilax glabra Roxb. Rhizome by Fourier Transform Infrared Spectroscopy[J]. FOOD SCIENCE, doi: 10.7506/spkx1002-6630-201412033.

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Identification and Traceability of Smilax glabra Roxb. Rhizome by Fourier Transform Infrared Spectroscopy

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