Determination of β-pinene,nopineone and perillyl alcohol by gas chromatography
Simultaneously detected of pressurized oxidation products of β-pinene,including β-pinene,nopineone and perillyl alcohol were performed by gas chromatography on a Rtx@-Wax polar column(30 m×0.25 mm×0.25 μm).Standard curves of β-pinene,nopineone and perillyl alcohol were ob-tained as follows:y1=541 638x1-54 935,y2=431 452x2-127 193 and y3=434 504x3-149 514.The correlation coefficient R2>0.999,and the linear relationship was stable in the range of 2.001～20.014 mg/mL,1.014～10.142 mg/mL and 0.983～9.834 mg/mL.The recovery rate were 99.03%～103.18%,100.43%～101.84%and 99.89%～101.72%,and the RSD were 0.61%～2.13%,0.75%～3.94%and 0.93%～3.06%,respectively.The RSD of the samples were 0.97%～2.06%,1.45%～2.81%and 1.18%～2.93%.This method was fast and simple,accurate and stable,and could simultaneously detect β-pinene,nopineone,and perillyl alcohol.
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