The cupric ion reducing antioxidant capacity and polyphenolic content of some herbal teas

References

• Apak R, Güçlü K, Özyürek M, Karademir SE. A novel total antioxidant capacity index for dietary polyphenols, vitamin C and E, using their cupric ion reducing capability in the presence of neocuproine: The CUPRAC method. J Agric Food Chem 2004; 52: 7970–7981
   PubMed Web of Science ®Google Scholar
• Arts ICW, Hollman PCH, Kromhout D. Chocolate as a source of tea flavonoids. Lancet 1999; 354: 488
   PubMed Web of Science ®Google Scholar
• Balch PA, Balch JF. Nutritional healing. Penguin Putnam Inc, New York 2000; 85–114
   Google Scholar
• Benzie IFF, Strain JJ. The ferric reducing ability of plasma (FRAP) as a measure of ‘antioxidant power’: the FRAP assay. Anal Biochem 1996; 239: 70–76
   PubMed Web of Science ®Google Scholar
• Benzie IFF, Szeto YT. Total antioxidant capacity of teas by the ferric reducing antioxidant power assay. J Agric Food Chem 1999; 47: 633–636
   PubMed Web of Science ®Google Scholar
• Campanella L, Bonanni A, Tomassetti M. Determination of the antioxidant capacity of samples of different types of tea, or of beverages based on tea or other herbal products, using a superoxide dismutase biosensor. J Pharm Biomed Anal 2003; 32: 725–736
   Google Scholar
• Candan F, Unlu M, Tepe B, Daferera D, Polissiou M, Sokmen A, Akpulat HA. Antioxidant and antimicrobial activity of the essential oil and methanol extracts of Achillea millefolium subsp. Millefolium Afan. (Asteraceae). J. Ethnopharmacol 2003; 87: 215–220
   PubMed Web of Science ®Google Scholar
• Cao G, Verdon CP, Wu AHB, Wang H, Prior RL. Automated oxygen radical absorbance capacity assay using the COBAS FARA II. Clin Chem 1995; 41: 1738–1744
   PubMed Web of Science ®Google Scholar
• Dorman HJ, Peltoketo A, Hiltunen R, Tikkanen MJ. Characterisation of the antioxidant properties of de-odourised aqueous extracts from selected Lamiaceae herbs. Food Chem 2003; 83: 255–262
   Web of Science ®Google Scholar
• Du Toit R, Volsteedt Y, Apostolides Z. Comparison of the antioxidant content of fruits, vegetables and teas measured as vitamin C equivalents. Toxicology 2001; 166: 63–69
   PubMed Web of Science ®Google Scholar
• Elmastas M, Ozturk L, Gokce I, Erenler R, Aboul-Enein HY. Determination of antioxidant activity of marshmallow flower (Althaea officinalis L.). Anal Lett 2004; 37: 1859–1869
   Web of Science ®Google Scholar
• Graham HN. Green tea composition, consumption and polyphenol chemistry. Prev Med 1992; 21: 334–350
   PubMed Web of Science ®Google Scholar
• Halliwell B, Gutteridge JMC. Free radicals in biology and medicine. Oxford University Press, Oxford 1989
   Google Scholar
• Halliwell B, Aruoma OI. DNA damage by oxygen-derived species: its mechanisms and measurement in mammalian systems. FEBS Lett 1991; 281: 9–19
   PubMed Web of Science ®Google Scholar
• Huang D, Ou B, Prior RL. The chemistry behind antioxidant capacity assays. J Agric Food Chem 2005; 53: 1841–1856
   PubMed Web of Science ®Google Scholar
• Juliani HR, Simon JE. Antioxidant activity of basil. Trends in new crops and new uses, J Janick, A Whipkey. ASHA Press, Alexandria, VA 2002; 575–579
   Google Scholar
• Karakaya S, Nehir El S. Quercetin, luteolin, apigenin and kaempferol contents of some foods. Food Chem 1999; 66: 289–292
   Web of Science ®Google Scholar
• Karaman S, Digrak M, Ravid U, Ilcim A. Antibacterial and antifungal activity of the essential oils of Thymus revolutus Celak from Turkey. J Ethnopharmacol 2001; 76: 183–186
   PubMed Web of Science ®Google Scholar
• Lemberkovics E, Czinner E, Szentmihalyi K, Balazs A, Szoke E. Comparative evaluation of Helichrysi flos herbal extratcts as dietary sources of plant polyphenols, and macro- and microelements. Food Chem 2002; 78: 119–127
   Web of Science ®Google Scholar
• Miliauskas G, Venskutonis PR, van Beek TA. Screening of radical scavenging activity of some medicinal and aromatic plant extracts. Food Chem 2004; 85: 231–237
   Web of Science ®Google Scholar
• Miller NJ, Rice-Evans CA, Davies MJ, Gopinathan V, Milner A. A novel method for measuring antioxidant capacity and its application to monitoring the antioxidant status in premature neonates. Clin Sci 1993; 84: 407–412
   PubMed Web of Science ®Google Scholar
• Mulkens A, Kapetanidis I. Flavonoides des feuilles de Melissa officinalis L. (Lamiaceae). Pharm Acta Helv 1987; 62: 19–22
   PubMedGoogle Scholar
• Oktay M, Gulcin I, Kufrevioglu OI. Determination of in vitro antioxidant activity of fennel (foeniculum vulgare) seed extracts. Lebensm-Wiss Technol 2003; 36: 263–271
   Web of Science ®Google Scholar
• Ou B, Huang D, Hampsch-Woodill M, Flanagan JA, Deemer EK. Analysis of antioxidant activities of common vegetables employing oxygen radical absorbance capacity (ORAC) and ferric reducing antioxidant power (FRAP) assays: a comparative study. J Agric Food Chem 2002; 50: 3122–3128
   PubMed Web of Science ®Google Scholar
• Re R, Pellegrini N, Proteggente A, Pannala A, Yang M, Rice-Evans C. Antioxidant activity applying an improved ABTS radical cation decolorization assay. Free Radic Biol Med 1999; 26: 1231–1237
   PubMed Web of Science ®Google Scholar
• Samuelsen AB. The traditional uses, chemical constituents and biological activities of Plantago major L.: A review. J Ethnopharmacol 2000; 71: 1–21
   PubMed Web of Science ®Google Scholar
• Sanchez-Moreno C, Larrauri JA, Saura-Calixto F. A procedure to measure the antiradical efficiency of polyphenols. J Sci Food Agric 1998; 76: 270–276
   Web of Science ®Google Scholar
• Satyanarayana S, Sushruta K, Sarma GS, Srinivas N, Subba Raju GV. Antioxidant activity of the aqueous extracts of spicy food additives—Evaluation and comparison with ascorbic acid in in vitro systems. J Herbal Pharmacother 2004; 4: 1–10
   PubMedGoogle Scholar
• Singleton VL, Orthofer R, Lamuela-Raventos RM. Analysis of total phenols and other oxidation substrates and antioxidants by means of Folin–Ciocalteu reagent. Methods Enzymol 1999; 299: 152–178
   Web of Science ®Google Scholar
• Sokmen A, Gulluce M, Akpulat HA, Daferera D, Tepe B, Polissiou M, Sokmen M, Sahin F. The in vitro antimicrobial and antioxidant activities of the essential oils and methanol extracts of endemic Thymus spathulifolius. Food Control 2004; 15: 627–634
   Web of Science ®Google Scholar
• Tagashira M, Ohtake Y. A new antioxidative 1,3-benzodioxole from Melissa officinalis. Planta Med 1998; 64: 555–558
   Web of Science ®Google Scholar
• Trouillas P, Calliste C-A, Allais D-P, Simon A, Marfak A, Delage C, Duroux J-L. Antioxidant, anti-inflammatory and antiproliferative properties of sixteen water plant extracts used in the Limousin countryside as herbal teas. Food Chem 2003; 80: 399–407
   Web of Science ®Google Scholar
• Vardar-Unlu G, Candan F, Sokmen A, Daferera D, Polissiou M, Sokmen M, Donmez E, Tepe B. Antimicrobial and antioxidant activity of the essential oil and methanol extracts of Thymus pectinatus Fisch. Et Mey. Var. pectinatus (Lamiaceae). J Agric Food Chem 2003; 51: 63–67
   PubMed Web of Science ®Google Scholar
• Wang SY, Lin HS. Antioxidant activity in fruits and leaves of blackberry, raspberry, and strawberry varies with cultivar and developmental stage. J Agric Food Chem 2000; 48: 140–146
   PubMed Web of Science ®Google Scholar
• Yildirim A, Mavi A, Oktay M, Kara AA, Algur OF, Bilaloglu V. Comparison of antioxidant and antimicrobial activities of tilia (Tilia argentea Desf ex DC), sage (Salvia triloba L.) and black tea (Camelia sinensis) extracts. J Agric Food Chem 2000; 48: 5030–5034
   PubMed Web of Science ®Google Scholar