Bee bread is product with long history used mainly in folk medicine. Nowadays, bee growing commercial interest due to its high nutritional properties. The objective of this study was determine biological activity ethanolic extract obtained from selected region Ukraine - Poltava oblast, Kirovohrad Vinnica Kyiv Dnepropetrovsk oblast. antioxidant measured the radical scavenging assays using 1,1-diphenyl-2-picrylhydrazyl (DPPH) as well phosphomolybdenum assay. Total polyphenol content determined...

The influence of the addition four legume flours, chickpea, broad bean, common bean and red lentil (in amounts 5%, 10% 15% to a wheat-rye composite flour (50:50:0-control flour), in ratios 50:45:5; 50:40:10; 50:35:15) was studied by analyzing rheological properties dough order further exploit functionality flours bakery products. were monitored using Mixolab 2. A Rheofermentometer F4 used check fermentation, Volscan for evaluating baking trials. different mixtures resulted viscoelastic...

Processing is one of the most crucial factors affecting polyphenol content in foods. Therefore, study aimed at evaluation heat treatment effects (microwaving, steaming, baking, and boiling) on chlorogenic acids, total polyphenols, antioxidant activity three varieties sweet potato with different flesh colors (Beauregard—orange-fleshed, O’Henry—white-fleshed, 414-purple—purple-fleshed). According to high performance liquid chromatography analysis, acid was predominant potatoes. Obtained...

Phenolic compounds (total polyphenol content – TPC, chlorogenic acid CGA, neochlorogenic neoCGA, cryptochlorogenic cryptoCGA) and the antioxidant activity (AA) by DPPH FRAP methods were determined in raw peel flesh of sweet potatoes (white cv. Japanese, orange Beauregard), heat-treated (steamed, boiled, microwaved, baked). The TPC orange-fleshed ranged from 1126 (Croatia Beauregard) to 3248 (Austria mg/kg dry weight. Heat treatment significantly increased CGA neoCGA content. CryptoCGA...

Heavy metals (Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, and Zn) in soils plants of four different ecosystems (forest, grassland, agro urban ecosystem) at distances from the source pollution were analyzed order to assess compare soil contamination various determine potential accumulation depending on place they inhabit. Correlation relationships among heavy differ ecosystem, between plant, showed significant correlation for Pb Zn. Contamination factor (Cf), degree (Cd) load index (PLI) used level...

Carrot (Daucus carota L. s sp. sativus (Hoffm.) Arcang.) is a significant source of vitamins (A, B, C) and beta carotene. Further it contains C, E, H, folic acid pantothenic acid. an important trace elements (K, Na, Ca, Mg, P, S, Mn, Fe, Cu Zn). Consumption carrot improves eyesight, lowers cholesterol digestion. In this work we evaluated compared content total polyphenols, ß-caroteneand antioxidant activity in five varieties (’Jitka’, Kardila’, Katlen , Rubína’ Koloseum) Samples were...

Black chokeberry (Aronia melanocarpa L.) attracts scientific interest due to its high content of bioactive compounds with beneficial effects on human health. Presented work aimed determine the total polyphenol (TPC), anthocyanin (TAC), and antioxidant activity by methods ABTS, DPPH, FRAP black variety Nero, from 4 localities (Holovousy, Bašnice, Choteč, Veľký Lapáš), fresh, conserved (with addition sucrose subsequent freezing for 3 months). TPC determined spectrophotometry using...

Antioxidant nature stands out as the main bioactive property of grape pomace, which is attributed to their rich phenolic composition. Apart compounds, pomace also represents an abundant source mineral substances. Mineral compounds perform a variety vital physiological tasks, including regulation acid-base balance, osmotic pressure, adrenal gland function, proper cardiac action, and protein carbohydrate metabolism. In our study we evaluated micro- macroelement profile pork sausages enhanced...

In Slovakia, there are several regions with moderately disturbed environments. For example, in eastern it is the Zemplín region. The contents of risk elements were determined using AAS methods to evaluate degree soil contamination five locations Zemplín. Risk element indices calculated based on Zn, Ni, Cd, and Pb concentrations. Contamination factor (CF), Degree (Cdeg), Modified (mCdeg) affected by a high concentration Cd its pseudototal form (CF 4.01–9.80, Cdeg 8.42–17.1, mCdeg 2.11–4.28),...

Heat treatment can affect the bioactive compounds in sweet potato (SP). In this work, we monitored influence of heat (boiling, steaming, microwaving, and baking) on total polyphenols content (TPC), antioxidant capacity (TAC), anthocyanins (TANTC), phenolics acids (chlorogenic (CGA), neochlorogenic (neo-CGA), trans -ferulic (tFA)) two SP varieties grown Slovakia Croatia. TPC, TAC, TANT were determined spectrophotometrically phenolic by HPLC. TPC ranged from 576 (Beauregard, Croatia; Be/HR) to...

Common buckwheat (Fagopyrum esculentum Moench) is a valuable source of proteins, B vitamins, manganese, tryptophan, phytochemicals with an antioxidant effect, and the natural flavonoid rutin. Due to its composition, supports human immune system, regulates blood cholesterol, suitable for patients diabetes or celiac disease. The study aimed compare allocation selected phenolic acids (neochlorogenic acid, chlorogenic trans-caffeic trans-p-coumaric trans-sinapic trans-ferulic acid) flavonoids...

In precise field trials in the years 2010 and 2011 effect of genotype location cultivars with yellow, white, purple or red flesh on content chlorogenic acid (CA) 2012 organic cultivation were evaluated. The results show a statistically significant to CA content, which ranged from 74.0 mg/kg fresh matter (FM) (Agria) 825 FM (Vitelotte). Demonstrable colour between coloured was found (430 FM) comparison yellow white (71.1 FM). For rather specific cultivar ruled than colour. terms influence...

Plant oils and fats are important necessary components of the human nutrition. They energy source also contain fatty acids - compounds essential for health. The aim this study was to evaluate nutritional quality selected plant oil olive, rapeseed, pumpkin, flax sesame; based on acid composition in these oils. Fatty (MUFA, PUFA, SFA) were analyzed chromatography using system Agilent 6890 GC, injector multimode, detector FID. highest content saturated observed pumpkinseed (19.07%), lowest...

The objective of our study was to assess the extent accumulation cadmium, lead and zinc in potato tubers depending on concentration these heavy metals soil evaluate resistance 11 cultivars cultivated 5 localities Slovakia against input into consumption part potato.Contents Cd (Pb, Zn) were 0.94–2.54 (18.03–24.90, 35.71–72.40) mg/kg extract by aqua regia 0.030–0.188 (0.149–0.356, 0.052–0.238) NH4NO3.The contents Cd, Pb, Zn determined potatoes extracts freeze-dried samples expressed fresh...

Potatoes (Solanum tuberosum L.) are an essential food for the human diet and thus represent important source of biologically active substances. This study aimed at investigating content bioactive substances (total anthocyanin polyphenol contents chlorogenic acid) in seven potato varieties (Belana, Cecile, Magenta Love, Mozart, Talentine, Toscana, Violet Queen) with various flesh skin colors. To evaluate impact maturity on analyzed parameters, samples were harvested two different periods (1st...

Sweet potato (Ipomoea batatas L.) is one of the most important food crops in world. They are rich polyphenols, proteins, vitamins, minerals and some functional microcomponents. Polyphenols bioactive compounds, which can protect human body from oxidative stress may cause many diseases including cancer, aging cardiovascular problems.The polyphenol content two to three times higher than common vegetables. Total polyphenols (determined spectrophotometrically) phenolic acids (i.e. caffeic acid,...

Although white lupin is the oldest known legume in history, it has been forgotten for many years. Now, interest of food producers concerning increased again. The aim this study was to evaluate total phenolic content (TPC), antioxidant activity (AA), and selected phenolics 11 cultivars. determined TPC interval 4260–5663 mg GAE/kg DM values AA using DPPH•, ABTS•+, FRAP methods were ranges 0.993–1.878, 5.496–7.924, 1.328–1.741 μmol TE/g DM, respectively. Individual (4-hydroxybenzoic acid,...

Abstract Due to several centuries of ongoing mining activities, Middle Spiš (Slovakia) is one the areas with a damaged environment. The contents Fe, Mn, Zn, Cu, Ni, Pb, Cd, and Hg were determined in soils home-grown vegetables (potatoes, carrots, tomatoes). Except for heavy metals some plots higher than limit values. Based on values Contamination factor (C f ), Degree contamination deg Geo-accumulation index (I geo Pollution load (PLI), very high ≥ 6), soil 20), extremely Fe > 5), resp....