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  1. No Access

    Article

    Analysis of Crocetins and Safranal Variations in Saffron (Crocus sativus) Stigma Samples and Dietary Supplements Using HPLC/UHPLC-PDA-MS: Chemical Profiling and Chemometric Analysis Using LC-QToF

    Saffron, the most expensive spice in the world, is comprised of the dried and dark red stigma of Crocus sativus L. flowers of the Iridaceae family. It is mainly used as a spice for imparting color, fragrance, and...

    Bharathi Avula, Kumar Katragunta, Yan-Hong Wang, Roy Upton… in Food Analytical Methods (2022)

  2. No Access

    Article

    Concurrent supercritical fluid chromatographic analysis of terpene lactones and ginkgolic acids in Ginkgo biloba extracts and dietary supplements

    Supercritical fluid chromatography was used to resolve and determine ginkgolic acids (GAs) and terpene lactones concurrently in ginkgo plant materials and commercial dietary supplements. Analysis of GAs (C13:0...

    Mei Wang, Emily J. Carrell, Amar G. Chittiboyina… in Analytical and Bioanalytical Chemistry (2016)

  3. No Access

    Article

    Quantification and characterization of alkaloids from roots of Rauwolfia serpentina using ultra-high performance liquid chromatography-photo diode array-mass spectrometry

    A new UHPLC-UV method has been developed for the simultaneous analysis of seven alkaloids [ajmaline (1), yohimbine (2), corynanthine (3), ajmalicine (4), serpentine (5), serpentinine (6), and reserpine (7)] from ...

    Satyanarayanaraju Sagi, Bharathi Avula… in Analytical and Bioanalytical Chemistry (2016)

  4. No Access

    Article

    Identification of Ginkgo biloba supplements adulteration using high performance thin layer chromatography and ultra high performance liquid chromatography-diode array detector-quadrupole time of flight-mass spectrometry

    Ginkgo biloba is one of the most widely sold herbal supplements and medicines in the world. Its popularity stems from having a positive effect on memory and the circulatory system in clin...

    Bharathi Avula, Satyanarayanaraju Sagi… in Analytical and Bioanalytical Chemistry (2015)

  5. No Access

    Article

    Identification of geographical origins of Schisandra fruits in China based on stable carbon isotope ratio analysis

    A method based on elemental analyser-isotope ratio mass spectrometer (EA-IRMS) was developed for the identification of the geographical origins of Schisandra fruits which are used as traditional Chinese medici...

    Guo-chen Li, Zhi-jie Wu, Yan-hong Wang… in European Food Research and Technology (2011)

  6. No Access

    Article

    Comparison of LC–UV, LC–ELSD and LC–MS Methods for the Determination of Sesquiterpenoids in Various Species of Artemisia

    Simple and specific analytical methods for the quantitative determination of sesquiterpenoids from various species of Artemisia plant samples were developed. By LC–UV, LC–ELSD, the separation was achieved by reve...

    Bharathi Avula, Yan-Hong Wang, Troy J. Smillie, Wilfred Mabusela… in Chromatographia (2009)

  7. Article

    Determination of Shikimic Acid in Fruits of Illicium Species and Various Other Plant Samples by LC–UV and LC–ESI–MS

    A simple and specific analytical method for the quantitative determination of shikimic acid from the methanol extract of the fruits of Illicium species and from various plant samples was developed. The LC–UV sepa...

    Bharathi Avula, Yan-Hong Wang, Troy J. Smillie, Ikhlas A. Khan in Chromatographia (2009)

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