Anthocyanins from a Norwegian potato cultivar

Fossen, Torgils; Øvstedal, Dag Olav; Andersen, Øyvind M.

doi:10.1016/s0308-8146(02)00473-9

Cited by 56 publications

(44 citation statements)

References 9 publications

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“…Comparison of the above with data in the literature 5,17 suggested that 1 was a p-coumaroyl-5-glucoside-3-rhamnosylglucoside derivative of petunidin. The downfield shift of C-6" (δ C 65.9 ppm) in the HSQC spectrum of 1 showed the linkage between the 3-O-β-glucose and the rhamnose unit to be at the 6"-hydroxyl.…”

supporting

confidence: 51%

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p-Coumaroyl Anthocyanins from the Tuber Epidermis of a Colored Potato Solanum tuberosum L. cv Jayoung

Kim¹,

Kim²,

Lee³

et al. 2014

Bulletin of the Korean Chemical Society

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supporting

confidence: 51%

“…Acylated anthocyanins like 1-4 have been found in the various colored potatoes such as Norwegian, 5 Japanese,…”

mentioning

confidence: 99%

p-Coumaroyl Anthocyanins from the Tuber Epidermis of a Colored Potato Solanum tuberosum L. cv Jayoung

Kim¹,

Kim²,

Lee³

et al. 2014

Bulletin of the Korean Chemical Society

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“…According to Brown (2005) potatoes should be considered as vegetables that may have a high antioxidant capacity dependent on their flesh composition. Purple flesh potatoes contain anthocyanins (Fossen et al 2003); they have their tuber flesh coloured totally or only partially and they contain 69-350 mg anthocyanins/kg fresh matter or 55-171 mg/kg fresh matter, respectively (Brown et al 2003). A positive correlation (Reyes et al 2005) between the antioxidant activity and the content of total polyphenols and anthocyanins was found concluding that mainly these compounds play an essential role in antioxidant capacity of potatoes.…”

mentioning

confidence: 91%

The effect of site conditions, variety and fertilization on the content of polyphenolsin potato tubers

Hamouz¹,

Lachman²,

Dvořák³

et al. 2006

PLANT SOIL ENVIRON

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In precise field trials in the CR in the years 2004 and 2005 the effect of site conditions, yellow-and purple-fleshed varieties and fertilization on the content of total polyphenols (TP) in potato tubers was investigated. Comparing four localities, significantly highest TP content (by 5.7 to 13.4% higher than in other localities) was determined in the locality Stachy in both years, which we ascribe to apparently lower temperatures in the vegetation period in this locality of high altitude. In comparison to yellow flesh varieties, in the case of purple flesh Valfi variety TP content higher by 52 to 153% was recorded as the average of both years. As for the group of eight yellow flesh varieties, Karin variety had the highest TP content and showed a significant increase in comparison to Agria, Saturna and Asterix varieties by 67, 60 and 37%, respectively. TP content was not demonstrably affected by fertilization with mineral fertilizers, but we recorded a tendency to lesser TP content (by 3 to 9.9%) in the variant with higher potassium and magnesium fertilization (166 kg K/ha and 60 kg Mg/ha).

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“…The pigments have been determined to be varied types of acylated anthocyanidin glycosides (Brown et al 2003). Main anthocyanidins in coloured varieties of potatoes are peonidin, malvidin, pelargonidin, petunidin, cyanidin and delphinidin (Fossen et al 2003). Coloured varieties are different in composition and representation of individual anthocyanidins.…”

Section: Introductionmentioning

confidence: 99%

Quality of Coloured Varieties of Potatoes

Hejtmánková

Pivec²,

Trnková³

et al. 2009

Czech J. Food Sci.

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Coloured potatoes (Solanum tuberosum L.) were evaluated as important source of natural antioxidants. Eight varieties of these potatoes (Salad Blue, Shetland Black, Blue Congo, Blaue St. Galler, Highland Burgundy Red, Violette, Valfi, Vitelotte) grown in four different locations in the Czech Republic (Přerov nad Labem, Suchdol, Valečov and Stachy) were analysed. Content of majority antioxidants (anthocyanins, chlorogenic acid and ascorbic acid) was determined and the obtained results were correlated with antioxidant activity. Total anthocyanin content and antioxidant activity were determined spectrophotometrically and phenolic acids by HPLC-DAD. The best positive correlation was observed between total anthocyanin content and antioxidant activity (r 2 = 0.64). Good correlation was found between chlorogenic acid content and antioxidant activity (r 2 = 0.55); however, no correlation between ascorbic acid content and antioxidant activity (r 2 = 0.08) was found.

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Anthocyanins from a Norwegian potato cultivar

Cited by 56 publications

References 9 publications

p-Coumaroyl Anthocyanins from the Tuber Epidermis of a Colored Potato Solanum tuberosum L. cv Jayoung

p-Coumaroyl Anthocyanins from the Tuber Epidermis of a Colored Potato Solanum tuberosum L. cv Jayoung

The effect of site conditions, variety and fertilization on the content of polyphenolsin potato tubers

Quality of Coloured Varieties of Potatoes

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