Chlorogenic acid content in potato tubers with colored flesh as affected by a genotype, location and long-term storage

被引:8
|
作者
Orsak, Matyas [1 ]
Hamouz, Karel [2 ]
Lachman, Jaromir [1 ]
Kasal, Pavel [3 ]
机构
[1] Czech Univ Life Sci Prague, Fac Agrobiol Food & Nat Resources, Dept Chem, Prague, Czech Republic
[2] Czech Univ Life Sci Prague, Fac Agrobiol Food & Nat Resources, Prague, Czech Republic
[3] Potato Res Inst Ltd, Havlickuv Brod, Czech Republic
关键词
Solanum tuberosum L; integrated cultivation; phenolic acid; stored cultivars; drought stress; ANTIOXIDANT ACTIVITY; PHENOLICS CONTENT; ANTHOCYANINS; CULTIVARS; COOKING;
D O I
10.17221/195/2019-PSE
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
In three-year field experiments, the effect of genotype, flesh color, site conditions and storage on chlorogenic acid content (CAC) in tubers of potato cultivars with purple or red flesh was compared to yellow-fleshed cv. Agria. The results confirmed the significant effect of genotype on CAC. The highest CAC was characteristic on a three-year mean for the purple-fleshed cv. Vitelotte (769.5 mg/kg fresh weight (FW)), i.e. 1.19-2.6 times higher than in the other cultivars. In regard to the effect of flesh color, significantly higher mean CAC levels have been shown for the red-fleshed (2.8 times) and purple-fleshed (3.16 times) cultivars in comparison with cv. Agria (148 mg/kg FW). At the Uhrineves location with a warmer climate and frequent dry periods as compared to the second Valecov location, a higher CAC (1.18 times) was found. Cold storage (4 degrees C, 6 months) resulted in a significant CAC increase varying from 33.2% in the Blaue St. Galler cultivar to 210.6% in the Vitelotte cultivar among all eight evaluated color-fleshed cultivars. On the other hand, the effect of storage on CAC was not evident in the yellow-fleshed Agria cultivar (inconclusive difference against CAC after harvest).
引用
收藏
页码:355 / 360
页数:6
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