Molt, Karl; Zeyen, F.; Podpetschnig-Fopp, E.:

Quantitative near infrared spectrometry used for the determination of the content of sennosides in a phytogenic matrix.

In: Pharmazie (Pharmazie), Jg. 52 (1997) ; Nr. 12, S. 931-937
ISSN: 0031-7144
Zeitschriftenaufsatz / Fach: Chemie
The sennoside content of a drug gained from Senna plants can be detd. directly by NIR-spectrometry by measuring the original products in diffuse reflection without further sample prepn. This however requires a previous calibration with stds. the concns. of which have to be detd. by an adequate ref. method. It was shown that HPLC is suitable for this purpose.

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