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Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials 2015-May

[HPLC Fingerprint of Anisodus tanguticus Root].

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Yun-bin Jiang
Yan Gou
Mao-hua Yuan
Yu-ying Ma
Juan Zhou
Pi-e Wu

關鍵詞

抽象

OBJECTIVE

To establish an HPLC fingerprint of Anisodus tanguticus root for its quality control.

METHODS

The analysis was carried out on a Ultimate AQ C18 (250 mm x 4.6 mm, 5 μm) column with the gradient elution of acetonitrile and KH2PO4 buffer soution, whose pH was adjusted to 3.0 with phosphoric acid. The flow rate, column temperature, detection wavelength and injection volume was 1.0 mL/min, 30 degrees C, 210 nm and 10 μL separately. The similarity evaluation and principal component analysis were used to analyze HPLC fingerprint of Anisodus tanguticus root.

RESULTS

HPLC fingerprint of Anisodus tanguticus root was established with 15 common peaks by determining 18 batches of Anisodus tanguticus root samples. Four characteristic peaks, anisodine, scopolamine, anisodamine and anisodamine, were confirmed by comparing their retention time and UV spectrum with standard reference substances. The simiarities of 18 batches of Anisodus tanguticus root were between -0.891 and 0.987. Comprehensive evaluation scores of 18 batches of Anisodus tanguticus root were between -0.85 and 0.89 by principal component analysis.

CONCLUSIONS

The established HPLC fingerprint has good precision, repeatability and stability, which can provide more comprehensive information for identification and quality control of Anisodus tanguticus root.

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