Molecular authentication of Panax vietnamensis, P. bipinnatifidus and P. stipuleanatus by RAPD-PCR analysis

The analyses were carried out using a set of 13 mer-random primers. The similarity coefficients between the samples of the three species were not very high, mainly ranging from 0.87 to 1.00; indicating that the DNA structure of the three species was not significantly different. Nevertheless, several DNA fragments were found to be specific to P. vietnamensis, including  OPA2₉₀₀, OPA8₁₅₀, OPA14_1100,650, OPC6₉₀₀, OPC16_650,320, OPC17_{700, 450}; DNA fragments OPA2₅₃₀, OPA8_750,730,  OPA12_1500,150, OPC1₂₅₀ were specific to P. bipinnatifidus and DNA fragments OPA8_400,240, OPA12_{1300,800,700,550,} OPC1₄₀₀, OPC12₈₅₀ were specific to P. stipuleanatus.

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