The Research of Total Polyphenols Content and Their Changes in Different Varieties of Potatoes

Volnová, Beáta; Musilová, Janette; Hrabovská, Diana; Bystrická, Judita; Kavalcová, Petra; Kopernická, Miriama

doi:10.15414/jmbfs.2015.4.special3.181-184

Cited by 2 publications

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References 4 publications

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“…Phenols and flavonoids represent 200-500 mg and from 20 to 30 mg of tuber skin per 100 g fresh weight, respectively. The tuber flesh contains 10-60 mg/100 g fresh weight phenols and 0-3 mg/100 g fresh weight flavonoids [40,41]. "Nadezhda" surpasses the other potato cultivars in the concentrations of phenols and flavonoids, ranking second after "Kalina" and "Bor" in terms of phenolic concentration.…”

Section: Discussionmentioning

confidence: 99%

Metabolic Profiling of Bulgarian Potato Cultivars

Tomlekova

Mladenov

Dincheva

et al. 2022

Foods

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Potatoes (Solanum tuberosum L.) are the fourth most economically important crop in the world. They have a short period of vegetation and are an excellent source of carbohydrates, amino acids, vitamins, organic acids, minerals and phenolics as antioxidant substances. Potato can be a major dietary source of various bioactive compounds. In this study, we applied gas chromatography coupled with mass spectrometry (GC-MS) metabolite profiling to classify eight Bulgarian potato cultivars bred in the Maritsa Vegetable Crops Research Institute (VCRI), Plovdiv, according to their metabolite contents. Altogether, we determine their flavonoids/phenolics to evaluate their nutritive quality for the breeding program with the target of determining strong health-promoting compounds. The “Kalina” cultivar is highlighted as the best one with the highest number of metabolites, containing 14 out of the 26 evaluated; it was selected as the highest-quality cultivar, compared with the other seven cultivars studied. According to the grouping of the cultivars in principal component analysis PCA, their positive distribution is explained mainly by them having the highest contents of aminobutyric and isocitric acids, methionine and alanine and lower levels of fumaric acid, pyroglutamic acid and glycine, in contrast to the cultivars distributed negatively, which had high contents of carbohydrates and relatively low contents of most of the amino acids. The highest number of amino acids was found in the cultivar “Kalina”, followed by “Perun” and “Bor”. The highest number of carbohydrates was found in “Pavelsko” and “Iverce”, while the prominent accumulation of organic acids was found in “Kalina”, “Bor” and “Rozhen”. The highest number of flavonoids in the flesh of the tubers was found in the cultivars “Nadezhda” and “Pavelsko”, followed by “Bor”. The highest ratio of flavonoids/phenolics in the flesh was found in “Pavelsko” and in “Nadezhda”, followed by “Iverce”.

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Section: Discussionmentioning

confidence: 99%

Metabolic Profiling of Bulgarian Potato Cultivars

Tomlekova

Mladenov

Dincheva

et al. 2022

Foods

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The content of total polyphenols in different varieties of Solanum tuberosum grow in Spiš area

Volnová

Musilová

Kopernická

et al. 2016

Potr. S. J. F. Sci.

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Phenolic compounds are the predominant antioxidants in nutrition and their study is currently being paid much attention. These antioxidants act synergistically; polyphenol compounds protect vitamin C and β-carotene, which in turn helps to increase the effect of vitamin E. Potatoes are very popular vegetables in Slovakia, not only in terms that they are easy to prepare, but also by the fact that they combine the wholesomeness of cereals and delicacy and characteristic chemical composition of vegetables. It is important that they find their place in our diet. Nutritional value of potatoes is determined by the content of nutrients such as protein, starch, fat, minerals, and absence of toxins, as well as by a significant content of bioactive components from the group of polyphenols. The study was performed in order to analyse 7 Slovak potato varieties from Spiš area, according to biologically active compounds: such as polyphenols. The content of total polyphenols was determined by the method of Lachman et al., (2003). The lowest determined content of total polyphenol (mg.kg-1 dry matter) in locality Spišský Štvrtok was measured in a variety Victoria (795.05 mg.kg-1 dry matter) and the highest content of total polyphenols in locality Spišský Štvrtok was measured in variety Laura (1238.42 mg.kg-1 dry matter). In the locality Odorín was determine the lowest content of total polyphenols in variety Red Anna (974.09 mg.kg-1 dry matter) and the highest content of total polyphenols was determined in variety Laura (978.95 mg.kg-1 dry matter). Between all varieties in locality Spišský Štvrtok was confirmed the statistically significant difference in the influence of the variety in the contents of total polyphenols (mg.kg-1 DM). This varietal dependence was not appear in samples taken in the locality Odorín. The total polyphenols content of the potatoes can be influenced by other factors, for example locality. In this case, there were statistically significant differences in the content of total polyphenols in variety Laura obtained from two different localities.

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The Research of Total Polyphenols Content and Their Changes in Different Varieties of Potatoes

Cited by 2 publications

References 4 publications

Metabolic Profiling of Bulgarian Potato Cultivars

Metabolic Profiling of Bulgarian Potato Cultivars

The content of total polyphenols in different varieties of Solanum tuberosum grow in Spiš area

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