02274nam a2200313Ia 4500 MX-MdCICY 20260521091625.0 CICY B-18271 Quantification of the polyphenols and triterpene acids in Chinese hawthorn fruit by high-performance liquid chromatography. Journal of Agricultural and Food Chemistry, 54(13), p.4574-4581, 2006 The levels of seven polyphenols (epicatechin, procyanidin B2, procyanidin B5, procyanidin C1, hyperoside, isoquercitrin, and chlorogenic acid)and two triterpene acids (oleanolic acid and ursolic acid)in the matured fruits of Chinese hawthorn (Crataegus pinnatifida Bge. var. major N.E.Br.)were determined by high-performance liquid chromatography methods. The average contents of those constituents in 37 representative cultivars were 1405, 1505, 339, 684, 56, 41, 234, 952, and 147 ?g/g fresh weight (FW), respectively. A significant inverse correlation between the procyanidin contents and the latitude of the geographical origin of the cultivars was observed (r = 0.3851, P < 0.02). Correlation analysis of the levels of the nine compounds in the 37 cultivars yielded a strong correlation (P < 0.001)between the individual levels of the four procyanidins and the sum of the procyanidins level (r = 0.7413?0.9898)and between the flavonoids and the chlorogenic acid (r = 0.5383?0.9212). The changes in level of the nine compounds in the hawthorn fruit were evaluated during maturation using the Hebei Dajinxing cultivar. Sixty-one days after blossom, the polyphenol level reached the highest point and the sum of the contents was 1.36 g/100 g FW. HPLC HAWTHORN CRATAEGUS PINNATIFIDA BGE. VAR. MAJOR N. E. BR. PROCYANIDIN FLAVONOID TRITERPENE ACID CHLOROGENIC ACID Cui, T. Li, J. Z. Kayahara, H. Ma, L. Wu, L. X. Nakamura, K. https://drive.google.com/file/d/118aZbrwRtUKwAYgtX8nluuK3dpdY2XvD/view?usp=drivesdk Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx Loc REF1 250602s9999 xx |||||s2 |||| ||und|d 28363 28363 0 0 Loc 0 0 F1 CICY CICY RE 2025-06-25 0 B-18271 2025-06-25 16:02:26 2025-06-25 REF1