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Polyphenol profiles of apple juices.
Mol Nutr Food Res. 2005 Aug; 49(8):797-806.MN

Abstract

Focusing on 17 constituents, the polyphenol profiles of juices freshly made from various dessert (n = 4) and cider apple cultivars (n = 7) as well as commercially available apple juices (n = 24) were investigated using high-performance liquid chromatography-photodiode array detection (HPLC-DAD) and (HPLC)-electrospray ionization-tandem mass spectrometry (ESI(neg)-MS/MS) analyses. Significant differences in the total polyphenol content as well as the profiles of the apple cultivars under study were observed. For dessert apples the total polyphenol content ranged from 154 to 178 mg/L, whereas for 'old' German cider apple cultivars 261-970 mg/L were determined. Boskoop showed the highest (970 mg/L) and Granny Smith the lowest (154 mg/L) polyphenol content of the freshly prepared samples under study. Hydroxycinnamic acids, with chlorogenic acid as dominating constituent, ranged from 57 to 68 mg/L as well as from 134-593 mg/L in juices made from dessert apples and that from cider apples, respectively. Dessert apple juices showed lower contents of dihydrochalcones (10-35 mg/L) and flavan-3-ols (50-95 mg/L) compared to that of cider apples (34-171 mg/L and 70-393 mg/L, respectively). Quercetin and its derivatives were found from 0.4-4 mg/L and 0.4-27 mg/L in juices made from dessert apples and that of cider apples, respectively. Compared with freshly made juices, lower contents of polyphenols were determined in the commercial samples under study. Amounts ranging from 110-459 mg/L, dominated by chlorogenic acid with concentrations from 53-217 mg/L, were determined. Information about cultivar-typical apple polyphenol content and profile is important for bioactivity studies and, consequently, essential for the development of consumer-relevant products with particular nutritional functionalities.

Authors+Show Affiliations

Food Chemistry, University of Würzburg, Würzburg, Germany.No affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

15991215

Citation

Kahle, Kathrin, et al. "Polyphenol Profiles of Apple Juices." Molecular Nutrition & Food Research, vol. 49, no. 8, 2005, pp. 797-806.
Kahle K, Kraus M, Richling E. Polyphenol profiles of apple juices. Mol Nutr Food Res. 2005;49(8):797-806.
Kahle, K., Kraus, M., & Richling, E. (2005). Polyphenol profiles of apple juices. Molecular Nutrition & Food Research, 49(8), 797-806.
Kahle K, Kraus M, Richling E. Polyphenol Profiles of Apple Juices. Mol Nutr Food Res. 2005;49(8):797-806. PubMed PMID: 15991215.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Polyphenol profiles of apple juices. AU - Kahle,Kathrin, AU - Kraus,Michael, AU - Richling,Elke, PY - 2005/7/2/pubmed PY - 2005/10/8/medline PY - 2005/7/2/entrez SP - 797 EP - 806 JF - Molecular nutrition & food research JO - Mol Nutr Food Res VL - 49 IS - 8 N2 - Focusing on 17 constituents, the polyphenol profiles of juices freshly made from various dessert (n = 4) and cider apple cultivars (n = 7) as well as commercially available apple juices (n = 24) were investigated using high-performance liquid chromatography-photodiode array detection (HPLC-DAD) and (HPLC)-electrospray ionization-tandem mass spectrometry (ESI(neg)-MS/MS) analyses. Significant differences in the total polyphenol content as well as the profiles of the apple cultivars under study were observed. For dessert apples the total polyphenol content ranged from 154 to 178 mg/L, whereas for 'old' German cider apple cultivars 261-970 mg/L were determined. Boskoop showed the highest (970 mg/L) and Granny Smith the lowest (154 mg/L) polyphenol content of the freshly prepared samples under study. Hydroxycinnamic acids, with chlorogenic acid as dominating constituent, ranged from 57 to 68 mg/L as well as from 134-593 mg/L in juices made from dessert apples and that from cider apples, respectively. Dessert apple juices showed lower contents of dihydrochalcones (10-35 mg/L) and flavan-3-ols (50-95 mg/L) compared to that of cider apples (34-171 mg/L and 70-393 mg/L, respectively). Quercetin and its derivatives were found from 0.4-4 mg/L and 0.4-27 mg/L in juices made from dessert apples and that of cider apples, respectively. Compared with freshly made juices, lower contents of polyphenols were determined in the commercial samples under study. Amounts ranging from 110-459 mg/L, dominated by chlorogenic acid with concentrations from 53-217 mg/L, were determined. Information about cultivar-typical apple polyphenol content and profile is important for bioactivity studies and, consequently, essential for the development of consumer-relevant products with particular nutritional functionalities. SN - 1613-4125 UR - https://www.unboundmedicine.com/medline/citation/15991215/Polyphenol_profiles_of_apple_juices_ L2 - https://doi.org/10.1002/mnfr.200500064 DB - PRIME DP - Unbound Medicine ER -