Influence of genotype and harvest year on polyphenol content and antioxidant activity in murtilla (Ugni molinae Turcz) fruit

被引：45

作者：

Alfaro, S. ^{[1
]}

Mutis, A. ^{[2
]}

Palma, R. ^{[2
]}

Quiroz, A. ^{[2
]}

Seguel, I. ^{[3
]}

Scheuermann, E. ^{[4
,5
]}

机构：

[1] Univ La Frontera, Programa Doctorado Ciencias Recursos Nat, Temuco, Chile

[2] Univ La Frontera, Dept Ciencias Quim & Recursos Nat, Lab Ecol Quim, Temuco, Chile

[3] INIA Carillanca, Inst Invest Agr, Temuco, Chile

[4] Univ La Frontera, Dept Chem Engn, Casilla 54-D, Temuco, Chile

[5] Univ La Frontera, BIOREN UFRO, Ctr Food Biotechnol & Bioseparat, Temuco, Chile

来源：

JOURNAL OF SOIL SCIENCE AND PLANT NUTRITION | 2013年 / 13卷 / 01期

关键词：

DPPH; Trolox; rainfall; frost; climate conditions; native berry; PHENOLIC CONTENT; CULTIVAR; CAPACITY; APPLE; LEAVES; TEA;

D O I：

10.4067/S0718-95162013005000007

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Polyphenol content and antioxidant activity in murtilla (Ugni molinae Turcz) fruit from three genotypes (the 14-4 genotype and the Red Pearl-INIA and South Pearl-INIA varieties) were studied over five growing seasons. Our results showed significant differences in total polyphenol content among yearly harvests. The lowest value (283 +/- 72 mg GAE/100 g dw) was obtained for the 14-4 genotype in the 2008 harvest, and the highest value (2,152 +/- 290 mg GAE/100 g dw) was observed for the variety South Pearl-INIA in 2007. The lowest value for antioxidant activity (2,234 +/- 337 mu mol TE/100 g dw) was obtained for the Red Pearl-INIA variety in 2008, and the highest value (4,073 +/- 76 mu mol TE/100 g dw) was observed for the 14-4 genotype in 2007. There was a significant effect of genotype and growing season on polyphenol content, antioxidant activity and dry matter content for the murtilla fruits evaluated in this study, but additional studies examining other abiotic and biotic factors are required to fully explain causality.

引用

页码：67 / 78

页数：12

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