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Flavonoids in tropical citrus species.
J Agric Food Chem. 2011 Nov 23; 59(22):12217-25.JA

Abstract

HPLC with PDA and MS(2) detection was used to identify and quantify flavonoids in the tropical citrus species Citrus microcarpa , Citrus hystrix , Citrus medica var. 1 and 2, and Citrus suhuiensis . Most of these species contained high amounts of flavones, flavanones, and dihydrochalcone C- and/or O-glycosides, which were identified on the basis of HPLC retention times, cochromatography with available authentic standards, absorbance spectra, and mass spectral fragmentation patterns. Among the major compounds detected were apigenin-6,8-di-C-glucoside, apigenin-8-C-glucosyl-2″-O-rhamnoside, phloretin-3',5'-di-C-glucoside, diosmetin-7-O-rutinoside, hesperetin-7-O-neohesperidoside, and hesperetin-7-O-rutinoside. Most of the dihydrochalcone and flavone C-glycosides have not previously been detected in tropical citrus. C. microcarpa contained a high amount of phloretin-3',5'-di-C-glucoside. Most of the tropical citrus flavanones were neohesperidoside conjugates, which are responsible for imparting a bitter taste to the fruit. Only C. suhuiensis fruit contains rutinoside, a nonbitter conjugate.

Authors+Show Affiliations

Plant Products and Human Nutrition Group, Graham Kerr Building, School of Medicine, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow G12 8QQ, United Kingdom.No affiliation info available

Pub Type(s)

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

Language

eng

PubMed ID

21978223

Citation

Roowi, Suri, and Alan Crozier. "Flavonoids in Tropical Citrus Species." Journal of Agricultural and Food Chemistry, vol. 59, no. 22, 2011, pp. 12217-25.
Roowi S, Crozier A. Flavonoids in tropical citrus species. J Agric Food Chem. 2011;59(22):12217-25.
Roowi, S., & Crozier, A. (2011). Flavonoids in tropical citrus species. Journal of Agricultural and Food Chemistry, 59(22), 12217-25. https://doi.org/10.1021/jf203022f
Roowi S, Crozier A. Flavonoids in Tropical Citrus Species. J Agric Food Chem. 2011 Nov 23;59(22):12217-25. PubMed PMID: 21978223.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Flavonoids in tropical citrus species. AU - Roowi,Suri, AU - Crozier,Alan, Y1 - 2011/10/19/ PY - 2011/10/8/entrez PY - 2011/10/8/pubmed PY - 2012/3/1/medline SP - 12217 EP - 25 JF - Journal of agricultural and food chemistry JO - J Agric Food Chem VL - 59 IS - 22 N2 - HPLC with PDA and MS(2) detection was used to identify and quantify flavonoids in the tropical citrus species Citrus microcarpa , Citrus hystrix , Citrus medica var. 1 and 2, and Citrus suhuiensis . Most of these species contained high amounts of flavones, flavanones, and dihydrochalcone C- and/or O-glycosides, which were identified on the basis of HPLC retention times, cochromatography with available authentic standards, absorbance spectra, and mass spectral fragmentation patterns. Among the major compounds detected were apigenin-6,8-di-C-glucoside, apigenin-8-C-glucosyl-2″-O-rhamnoside, phloretin-3',5'-di-C-glucoside, diosmetin-7-O-rutinoside, hesperetin-7-O-neohesperidoside, and hesperetin-7-O-rutinoside. Most of the dihydrochalcone and flavone C-glycosides have not previously been detected in tropical citrus. C. microcarpa contained a high amount of phloretin-3',5'-di-C-glucoside. Most of the tropical citrus flavanones were neohesperidoside conjugates, which are responsible for imparting a bitter taste to the fruit. Only C. suhuiensis fruit contains rutinoside, a nonbitter conjugate. SN - 1520-5118 UR - https://www.unboundmedicine.com/medline/citation/21978223/Flavonoids_in_tropical_citrus_species_ L2 - https://doi.org/10.1021/jf203022f DB - PRIME DP - Unbound Medicine ER -