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Annals of Forest Science

, Volume 71, Issue 4, pp 517–522 | Cite as

Identification of market adulterants in East Indian sandalwood using DNA barcoding

  • Suma Arun Dev
  • E. M. Muralidharan
  • P. Sujanapal
  • M. Balasundaran
Original Paper

Abstract

Context

East Indian sandalwood (Santalum album L.) in commercial markets is highly prone to adulteration. A number of cases were registered with regard to the adulteration of East Indian sandalwood, but the lack of technical tools for the precise species identification of the source wood stalled most of the court cases.

Aims

The standard DNA barcode regions, the rbcL, matK and trnH-psbA chloroplast genomic sequences recommended by the Consortium of Barcode of Life (COBOL) were analysed to distinguish wood adulterants of East Indian sandalwood.

Methods

Standard polymerase chain reactions with COBOL recommended primers were performed for all three barcode loci. The PCR products after gel elution were sequenced and alignments were performed using CLUSTALX.

Results

Single nucleotide polymorphisms (SNPs) identified with rbcL and trnH-psbA sequences of Erythroxylum monogynum Roxb. as well as with matK sequences of Osyris wightiana Wall ex. Wight could be efficiently utilized for the detection/monitoring of East Indian sandalwood adulterants. Among the two common adulterants O. wightiana and E. monogynum, the former was more similar to S. album and grouped together in the dendrogram.

Conclusion

The study recommends the exploitation of DNA barcoding technique using standard barcodes to trace sandalwood timber adulterants.

Keywords

Santalum album Adulterants DNA barcoding Single nucleotide polymorphisms (SNPs) 

Notes

Acknowledgments

We are grateful to the Kerala Forest Department (KFD) for permission to collect the samples. We would also like to thank the anonymous reviewers for helpful suggestions and comments on the manuscript.

Funding

The study was funded by Kerala State Council for Science, Technology and Environment (KSCSTE), Govt. of Kerala, India.

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Copyright information

© INRA and Springer-Verlag France 2013

Authors and Affiliations

  • Suma Arun Dev
    • 1
  • E. M. Muralidharan
    • 1
  • P. Sujanapal
    • 1
  • M. Balasundaran
    • 2
  1. 1.Kerala Forest Research InstituteTrichurIndia
  2. 2.Tropical Institute of Ecological SciencesKottayamIndia

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