1H NMR Fringerprints of Scutellaria Baicalensis

Chinese Journal of Magnetic Resonance ›› 2007, Vol. 24 ›› Issue (2): 163-168.

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¹H NMR Fringerprints of Scutellaria Baicalensis

SUN Qing-lei；ZHAO Hong-xia；LIN Yun-liang；WANG Xiao；
CHEN Li-zong；CHENG Chuan-ge；LIU Jian-hua

1.Shandong analysis and test center, Shandong academy of science, Jinan 250014, China; 2.School of Chemical Engineering, Shandong Institute of Light Industry, Jinan 250100, China

Received:2006-07-14 Revised:2006-09-19 Published:2007-06-05 Online:2009-12-05
Contact: Sun Qing-lei

Abstract

Abstract: ¹H NMR spectra of Scutellaria baicalensis extracts were obtained by PFT-NMR and compared with those of the flavonoids found in the extract including baicalein, oroxylin A, wogonin and baicalin. ¹H NMR chemical shifts were assigned. The spectra of different Scutellaria baicalensis extract samples showed good reproducibility, and all contained the spectral fingerprint of flavonoids. It appears feasible to use the ¹H NMR fingerprints of Scutellaria baicalensis extract as a criterion to check the authenticity of Scutellaria baicalensis and Scutellaria baicalensis products.

Key words: ¹H NMR, fingerprints, similarity, scutellaria baicalensis

SUN Qing-lei；ZHAO Hong-xia；LIN Yun-liang；WANG Xiao；
CHEN Li-zong；CHENG Chuan-ge；LIU Jian-hua. ¹H NMR Fringerprints of Scutellaria Baicalensis[J]. Chinese Journal of Magnetic Resonance, 2007, 24(2): 163-168.

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¹H NMR Fringerprints of Scutellaria Baicalensis

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