Herbs: challenges in chemistry and biology : [developed from a symposium sponsored by the Division of Agricultural and Food Chemistry at the 227th National Meeting of the American Chemical Society Anaheim California March 28 April 1 2004] 1. Botanical quality initiatives at the office of dietary supplements National institutes of health 2. Current trends and future prospects of traditional Chinese medicines in the 21st century 3. Bioactive polyphenols from foods and dietary supplements : challenges and opportunities 4. Instrumental analysis of popular botanical products in the U.S. market 5. Challenges in assessing bioactive botanical ingredients in functional beverages 6. Bioactive natural products from Chinese tropical marine plants and invertebrates 7. Curcumin : potential health benefits molecular mechanism of action and its anticancer properties in vitro and in vivo 8. Need for analytical methods and fingerprinting : total quality control of phytomedicine Echinacea 9. Bioassay guided isolation identification and quantification of the estrogen like constituent from PC SPES 10. Intraspecific variation in quality control parameters polyphenol profile and antioxidant activity in wild populations of Lippia multiflora from Ghana 11. Protein tyrosine phosphatases 1B inhibitors from traditional Chinese medicine 12. Thioglucosidase catalyzed hydrolysis of the major glucosinolate of Maca (Lepidium meyenii) to benzyl isothiocyanate : mini review and simple quantitativeHPLC method 13. Studies on chemical constituents of jiaogulan (gynostemma pentaphyllum) 14. Chemical components of noni (morinda citrifolia L.) root 15. Characterization of chemical components of Ixeris denticulata 16. Bioavailability metabolism and pharmacokinetics of glycosides in Chinese herbs 17. Moringa a novel plant rich in antioxidants bioavailable iron and nutrients 18. Stability and transformation of bioactive polyphenolic components of herbs in physiological pH 19. Bioavailability and synergistic effects of tea catechins as antioxidants in the human diet 20. Targeting inflammation using Asian herbs 21. Induction of apoptosis by Ligusticum chuanxiong in HSC T6 stellate cells 22. Effect of combined use of isothiocyanate and black tea extract on dental caries 23. Cytotoxic properties of leaf essential oil and components from indigenous cinnamon (cinnamomum osmophloeum Kaneh) 24. Effect of black tea theaflavins on 12 0 tetradecanoylphorbol 13 acetate induced inflammation : expression of proinflammatory cytokines and arachidonic acid metabolism in mouse ear and colon carcinogenesis in min (apc+ ) mice 25. Shea butter : chemistry quality and new market potentials