John F. Fitzloff, Ph.D.

Associate Professor Emeritus
Department of Medicinal Chemistry and Pharmacognosy
Director of Graduate Studies in Medicinal Chemistry

University of Illinois at Chicago
College of Pharmacy
833 S. Wood Street (M/C 781)
Chicago, IL 60612-7231

Office: 527 PHARM
Office Phone: 312-996-7366
Fax Number: 312-996-7107
E-mail address: fitzloff@uic.edu

Select Publications:

1. van Breemen RB, Huang CR, Lu ZZ, Rimando A, Fong HHS, Fitzloff JF.  Electrospray Liquid Chromatography/ Mass Spectrometry of Ginsenosides.  Anal Chem 1995; 67(4): 3985-3989.
2. Fitzloff JF, Yat P, Lu ZZ, Awang DVC, Amason JT, van Breemen RB, Hall T, Blumenthal M, Fong HHS.  Perspectives on the Quality Assurance of Ginseng Products in North America.  In: Huh H, Choi KH, Kim YV, editors.  Advances in Ginseng Research.  Proceedings in the 7^th International Symposium on Ginseng; 1998 Sept. 22-25; Seoul, Korea.  Seoul: The Korean Society of Ginseng, 1998.  p. 138-145.
3. Li WK, Gu CG, Zhang HJ, Awang DVC, Fitzloff JF, Fong HHS, van Breemen RB.  Use of High Performance Liquid Chromatography - Tandem Mass Spectrometry to Distinguish Panax ginseng C.A. Meyer (Asian Ginseng) and Panax quinquefolius L. (North American Ginseng).  Anal Chem, 2000; 72(21): 5417-5422.
4. Li WK, Fitzloff JF. Determination of 24(4) - pseudoginsenoside F₁₁ in North American Ginseng using High Performance Liquid Chromatography with Evaporative Light Scattering Detection.  J Pharm Biomed Anal, 2001; 25: 257-265.
5. Li WK, Fitzloff JF. A Validated Method for Quantitative Determination of Saponins in Notoginseng (Panax notoginseng) using High-performance Liquid Chromatography with Evaporative Light Scattering Detection. J Pharm Pharmacol, 2001; 53: 1637-1643.
6. Li WK, Fitzloff JF. Determination of Astragaloside IV in Radix Astragali (Astragalus membranaceus var.monghulicus) using High-performance Liquid Chromatography with Light Scattering Detection. J Chrom Sci, 2001; 39: 459-462.
7. Li WK, Fitzloff JF. High Performance Liquid Chromatographic Analysis of St. John’s Wort with Photodiode Array Detection. J Chrom B, 2001; 765: 99-105.
8. Li WK, Fitzloff JF. HPLC with Evaporative Light Scattering Detection as a Tool to Distinguish Asian Ginseng (Panax ginseng) and North American Ginseng (Panax quinquefolius). J Liq Chrom Rel Tech, 2002, 25(1): 17-27.
9. Li WK, Fitzloff JF. HPLC Analysis of Ginsenosides in the Roots of Asian Ginseng (Panax ginseng) and North American Ginseng(Panax quinquefolius) with In-line Photo Diode Array and Evaporative Light Scattering Detection. 2002, 25(1):29-41.
10. Chen SN, Li WK, Fabricant D, Santarsiero BD, Mesecar A, Fitzloff JF, Fong HHS, Farnsworth NR. Isolation, Structure Elucidation and Absolute Configuration of 26-Deoxyactein from Cimicifuga racemosa and Clarification of Nomenclature Associated with 27-Deoxyactein. J Nat Prod, 2002; 65(4): 601-605.
11. Li WK, Fong HHS, Singletary KW, Fitzloff JF. Determination of Catechins in Commercial Grape Seed Extract. J Liq Chrom Rel Tech, 2002, 25( 3 ) : 397-407.
12. Li WK, Fitzloff JF. A Validated High Performance Liquid Chromatographic Method for the Analysis of Goldenseal. J Pharm Pharmacol, 2002; 54(3): 435-439.
13. Li WK, Fitzloff JF. Determination of Andrographolide in Commercial Andrographis (Andrographis paniculata) Products using HPLC with Evaporative Light Scattering Detection. J Liq Chrom Rel Tech, 2002, 25(9): 1335-1343.
14. Li WK, Fitzloff JF. Simultaneous Determination of Terpene Lactones and Flavonoid Aglycones in Ginkgo biloba by High- performance Liquid chromatography with Evaporative Light Scattering Detection. J Pharm Biomed Anal, 2002; 30(1): 67-75.
15. Li WK, Fitzloff JF.  HPLC Determination of Ginsenoside Content in Dietary Supplements using Ultraviolet Detection. J Liq Chrom Rel Tech, 2002; 25(16): 2485-2500.
16. Li WK, Fitzloff JF. HPLC Determination of Flavonoids and Terpene Lactones in Commercial Ginkgo biloba Products. J Liq Chrom Rel Tech, 2002; 25(16): 2501-2514.
17. Li W, Fitzloff JF, Farnsworth NR, Fong HHS. Evaluation of Commercial Ginkgo biloba Dietary Supplements for the Presence of Colchicine by High-performance liquid Chromatography. Phytomedicine, 2002; 9: 442-446.
18. Li WK, Sun YK, Fitzloff JF, van Breemen RB. Evaluation of Ginkgo and Echinacea Dietary Supplements for Colchicine using Liquid Chromatography-Tandem Mass Spectrometry. Chem Res Toxicol, 2002; 15(9):1174-1178.
19. Li WK, Chen SN, Fabricant D, Angerhofer CK, Fong HHS, Farnsworth NR, Fitzloff JF. High-performance Liquid Chromatographic Analysis of Black Cohosh (Cimicifuga racemosa) Constituents with In-line Evaporative Light Scattering and Photodiode Array Detection. Anal Chim Acta 2002; 471(1): 61-75.