• Anonymous. 2007. Herbal medicine market to top US$26 bil. in 2011. Taipei , Taiwan . The China Post. 02 May.
  • Ali BH, Wabel NA, Blunden G. 2005. Phytochemical, pharmacological and toxicological aspects of Hibiscus sabdariffa L.: a review. Phytother Res 19:36975.
  • Bridle P, Timberlake CF. 1997. Anthocyanins as natural food colors-selected aspects. Food Chem 58:1039.
  • D'Heureux-Calix F, Badrie N. 2004. Consumer acceptance and physicochemical quality of processed red sorrel/roselle (Hibiscus sabdariffa L.) sauces from enzymatic extracted calyces. Food Serv Technol 4:1418.
  • Food Chemicals Codex. 1996. Committee on Food Chemicals Codex, Food and Nutrition Board, Institute of Medicine. Washington , D.C. : Natl. Academies Press. p 748.
  • Gao X, Bjork L, Trajkovski V, Uggla M. 2000. Evaluation of antioxidant activities of rosehip ethanol extracts in different test systems. J Sci Food Agric 80:20217.
  • Hirunpanich V, Utaipat A, Morales NP, Bunyapraphatsara N, Sato H, Herunsale A, Suthisisang C. 2006. Hypocholesterolemic and antioxidant effects of aqueous extracts from the dried calyx of Hibiscus sabdariffa L. in hypercholesterolemic rats. J Ethnopharmacol 103:25260.
  • [INA] Institute for Nutraceutical Advancement. 2008. Anthocyanin content in bilberry (Vaccinium myrtillus) by pH-differential spectrophotometry. Inst. for Nutraceutical Advancement (INA) Method 116.000. Available from: Accessed Oct 26, 2008.
  • Juliani HR, Koroch A, Simon JE, Hitimana N, Daka A, Ranarivelo L, Langenhoven P. 2006a. Quality of geranium oils (Pelargonium Species): case studies in Southern and Eastern Africa. J Essent Oil Res 18:11621 (Special Edition 2006).
  • Juliani HR, Wang M, Moharram H, Asante-Dartey J., Acquaye D, Koroch AR, Simon JE. 2006b. intraspecific variation in quality control parameters, polyphenol profile, and antioxidant activity in wild populations of lippia multiflora from ghana. In: WangM, ShengminS, HwangLS, HoCT, editors. Herbs: challenges in chemistry and biology. Washington , D.C. : American Chemical Society. p 12642.
  • Liu JY, Chen CC, Wang WH, Hsu JD, Yang MY, Wang CJ. 2006. The protective effects of Hibiscus sabdariffa extract on CCl4-induced liver fibrosis in rats. Food Chem Toxicol 44:33643.
  • Lin TL, Lin HH, Chen CC, Lin MC, Chou MC, Wang CJ. 2007. Hibiscus sabdariffa extract reduces serum cholesterol in men and women. Nutr Res 27:1405.
  • Odigie IP, Ettarh RR, Adigun SA. 2003. Chronic administration of aqueous extract of Hibiscus sabdariffa attenuates hypertension and reverses cardiac hypertrophy in 2K-1C hypertensive rats. J Ethnopharmacol 86:1815.
  • Phippen WB, Simon JE. 1998. Anthocyanins in Basil (Ocimum basilicum L.). J Agric Food Chem 46:17348.
  • Plotto A. 1999. Chapter XXVIII: post-production management for improved market access for herbs and spices: hibiscus. In: MazaudF, RöttgerA, SteffelK, D'AquilioL, editors. Compendium on post-harvest operations. Rome , Italy : AGSI-FAO.
  • Re R, Pellegrini N, Proteggente A, Pannala A, Yang M, Rice-Evans C. 1999. Antioxidant activity applying an improved ABTS radical cation decolorization assay. Free Radical Bio Med 26:12317.
  • Simon JE. 1999. Domestication and production considerations in quality control of botanicals. In: EskinaziD, BlumenthalM, FarnsworthN, RigginsCW. editors. Botanical medicine. Efficacy, quality assurance, and regulation. Larchmont , N.Y. : Mary Ann Liebert Inc. p 1337.
  • Simon JE, Jefthas E, Langenhoven P, Smith M, Renaud E, Juliani HR, Wang M, Zimba N, Acquaye D, Park C, Raskin I, Tannous P. 2002. Challenges and tribulations in the commercialization of new crops: aromatic and medicinal crops. Korean J Med Crop Sci 10:30313.
  • Tadmor Y, Jefthas E, Goliath J, Smith M, Langenhoven P, Acquaye D, Juliani HR, Letchamo W, Renaud E, Zimba N, Raskin I, Brown J, Simon JE. 2002. Quality assurance and quality control for african natural plant products from the ground up. In: JanickJ, WhipkeyA, editors. Trends in new crops and new uses. Alexandria , Va. : American Society For Horticultural Science Press. p 939.
  • Wang CJ, Wang JM, Lin WL, Chu CY, Chou FP, Tseng TH. 2000. Protective effect of hibiscus anthocyanins against tert-butyl hydroperoxide-induced hepatic toxicity in rats. Food Chem Toxicol 38:4116.
  • [WHO] World Health Organization. 2003. WHO guidelines on good agricultural and collection practices (GACP) for medicinal plants. Geneva , Switzerland : WHO. p 17–28.
  • Wildman RC, Kelley M. 2006. Nutraceuticals and functional foods. In: WildmanRC, editor. Handbook of nutraceuticals and functional foods. Boca Raton , Fla .: CRC Press. p 122.
  • Wu QL, Wang MF, Simon JE. 2003. Determination of proanthocyaninidins in grape products by liquid chromatography/mass spectrometric determination detection under low collision energy. Anal Chem 75:24404.