Dominika Średnicka-Tober

Dominika Średnicka-Tober
Warsaw University of Life Sciences - SGGW | SGGW · Department of Functional Food and Commodities

PhD

About

42
Publications
40,607
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1,285
Citations
Additional affiliations
October 2014 - present
Warsaw University of Life Sciences - SGGW
Position
  • Adiunct
February 2010 - August 2014
Newcastle University
Position
  • Research Associate

Publications

Publications (42)
Article
Full-text available
In recent years, organic food, produced with the use of natural means and production methods, has been gaining more and more popularity among consumers. This is due, inter alia, to their belief that it is more abundant in health-promoting bioactive compounds and safer than conventional food. Consumers are increasingly aware of the harmfulness of pl...
Article
The aim of the present study was to determine the concentrations of polyphenols and carotenoids by means of HPLC/UV-Vis in certified organic and non-organic carrots (Daucus carota L.) of two cultivars (Flacoro and Nantejska). The analyzed carrot root samples contained, on average, 4.29 ± 0.83 mg/100g f.w. of carotenoids (mainly β-carotene) and 9.09...
Article
Background Observational studies have linked pesticide exposure to various diseases, whereas organic food consumption has been associated with positive health outcomes. Organic farming standards prohibit the use of most pesticides, and organic food consumption may therefore reduce pesticide exposure. Objectives To determine the effects of diet (We...
Article
Full-text available
Organic agriculture is considered one of the elements of sustainable food production and consumption, mainly due to its limited impact on the natural environment. At the same time, the quality features of organically produced foods, especially sensory attributes and health promoting values, are important factors determining consumers’ interest, and...
Article
Full-text available
Here we report the results of a three-year replicated field trial on the effects of novel clover- and alfalfa-based fertilizer products (Ekofert® K and Ekofert® L), with the input levels equivalent to 120, 180, or 240 kg N ha−1, on the yield and selected sensory and nutritional quality parameters of onion. The study showed that Ekofert fertilizer a...
Article
Full-text available
Anthocyanins are widely distributed secondary metabolites that play an essential role in skin pigmentation of many plant organs and microorganisms. Anthocyanins have been associated with a wide range of biological and pharmacological properties. They are also effective agents in the prevention and treatment of many chronic diseases. Berries are par...
Article
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The excessive consumption of sugar, salt, and fat is associated with an increased risk of non-communicable diseases. Therefore, a study on estimating the added sugar, salt, and fat intake in certain populations is important for establishing specific recommendations aiming at improving diet quality, and thus public health. This study aimed to determ...
Article
Full-text available
Due to the strong antioxidant activity of flavonoids and carotenoids, daily consumption of these bioactive compounds has the potential for reducing the risk of many chronic and degener-ative diseases caused by or contributed to by oxidative stress. Currently, the available research results related to the flavonoid and carotenoid intake in Asian cou...
Article
Full-text available
Recent human cohort studies reported positive associations between organic food consumption and a lower incidence of obesity, cancer, and several other diseases. However, there are very few animal and human dietary intervention studies that provide supporting evidence or a mechanistic understanding of these associations. Here we report results from...
Article
Full-text available
The objective of the work was to investigate and estimate the effects of conventional, organic, and biodynamic farming systems on biological and agrochemical soil properties and mineral composition of potato tubers with different colored flesh. This study compared the same biological and agrochemical soil quality indicators on samples collected at...
Article
Full-text available
In recent decades, organic farming based on natural means and methods of production is gaining more and more popularity. It is due to the growing awareness of the society regarding the harmfulness of chemicals used in intensive agriculture, which influences the growing interest of both producers and consumers in organic food. Searching for plant cu...
Article
Full-text available
Courgette is a popular vegetable belonging to the Cucurbitaceae family. It is known for its good adaptation to different weather conditions, although it performs best in a warm and humid climate. Since the yield and various quality characteristics of vegetables are known to be strongly influenced by a number of weather, agronomic, and genetic (vari...
Article
Full-text available
A growing demand for organic foods is driven by consumers′ perception that they are more nutritious. However, while there is a number of scientific studies showing some superior qualities of organically grown fruit and vegetables, including, i.e., higher content of phenolics, some vitamins and antioxidant activity, scientific research looking into...
Article
Full-text available
Purpose To clarify needs and requests of the young generation to the contemporary and future education on food systems, this paper aims to examine the following issues: students’ background knowledge, students’ behaviour as consumers and food citizenship, most interesting topics of SFS for students and students’ preferences and expectations in deve...
Article
Full-text available
Courgette is considered as a low-calorie vegetable with health-promoting properties. However, scientific publications focused on the profile and content of bioactive compounds in courgette, as well as the potential fruit quality modulating factors, are rare. Due to the high adaptability of courgette to weather and agronomic conditions, it is produc...
Article
Full-text available
The apple (Malus domestica Borkh.) is one of the most widely cultivated temperate fruits globally, gaining scientific interest as a rich source of antioxidants with a demonstrated beneficial human health impact. Since a growing number of consumers are increasingly seeking safe and healthy food options, alternative fruit production systems such as o...
Article
Full-text available
The purpose of this research is to evaluate the effect of conventional, biodynamic, and organic cultivation methods on the contents of polyphenols and carotenoids in tubers of potato cultivars with different colored flesh: “Red Emmalie”, “Salad Blue”, “Violetta”, “Tornado”, and “Laura”. These bioactive compounds were determined by the high-performa...
Article
Full-text available
An organic agricultural system based on natural methods and means of production is an alternative to intensive agriculture. The available research suggests that organic crops, in comparison to the conventional ones, are richer in phenolics and other antioxidants while containing less undesirable pesticide residues and nitrates. The aim of this stud...
Article
Full-text available
The aim of this study was to evaluate and compare the content of a number of bioactive compounds and antioxidant activity of fruits of selected local and commercial sweet cherry (Prunus avium L.) cultivars. The experiment showed that the selected cultivars of sweet cherries differ significantly in the content of polyphenolic compounds and carotenoi...
Article
Full-text available
In all countries, the organic sector of the agricultural industry is increasing, with Europe traditionally leading this trend. A survey of different stakeholders (employers) was carried out in 2015 in seven European countries to evaluate the employment market for the organic agricultural industry in Europe. Results indicate the willingness to emplo...
Article
Sweet bell pepper is a perfect source of flavonoids and carotenoids. Some experiments indicated that fresh organic vegetables contained more of these bioactive compounds in comparison to the conventional ones. It could be expected that pickled organic vegetables also contain more antioxidant compounds. The aim of this study was therefore to analyse...
Article
PL Przedstawiono charakterystykę najpopularniejszych naturalnych zamienników cukru spożywczego - sacharozy, takich jak: melasa karobowa, melasa z buraka cukrowego i trzciny cukrowej, syrop daktylowy, syrop z agawy, syrop klonowy, syrop i cukier kokosowy. Opisano i porównano ich właściwości. Wykazano, że poszczególne syropy i melasy charakteryzują s...
Article
Full-text available
Demand for organic meat is partially driven by consumer perceptions that organic foods are more nutritious than non-organic foods. However, there have been no systematic reviews comparing specifically the nutrient content of organic and conventionally produced meat. In this study, we report results of a meta-analysis based on sixty-seven published...
Article
Full-text available
Demand for organic milk is partially driven by consumer perceptions that it is more nutritious. However, there is still considerable uncertainty over whether the use of organic production standards affects milk quality. Here we report results of meta-analyses based on 170 published studies comparing the nutrient content of organic and conventional...
Article
Full-text available
Very little is known about the effects of red wine consumption on male reproductive functions. Here we report the effect of regular drinking of different types of red wine on hormonal reproductive parameters and total antioxidant status in young adult male rats. Dry red wine (D-RW) exerted higher antioxidant activity and was characterized by higher...
Article
Full-text available
Demand for organic foods is partially driven by consumers' perceptions that they are more nutritious. However, scientific opinion is divided on whether there are significant nutritional differences between organic and non-organic foods, and two recent reviews have concluded that there are no differences. In the present study, we carried out meta-an...
Article
Full-text available
Meta-analyses are methods to combine outcomes from different studies in order to investigate consistent effects of relatively small magnitude, which are difficult to distinguish from random variation within a single study. Several published meta-analyses addressed whether organic and conventional production methods affect the composition of plant f...
Article
Very little is known about the effects of an organic or conventional diet on animal physiology and health. Here we report the effect of contrasting crop protection (with or without chemosynthetic pesticides) and fertilization (manure or mineral fertilizers) regimes on feed composition and growth and physiological parameters of rats. The use of manu...
Article
Full-text available
The paper gives an overview of recent studies investigating the health value of organic foods and presents a framework for estimating the scientific impact of these studies. Furthermore, the problems connected with the different research approaches are being discussed. A number of comparative studies showed lower nitrate contents and less pesticide...
Article
Full-text available
A dietary intervention study was conducted to analyse the effects of compound feeds based on crops produced in two consecutive growing seasons under four agronomic regimes that differed in crop protection (organic versus conventional) and fertilization (organic versus conventional) practices, on the growth, body chemical composition, haematological...
Article
Full-text available
Organic food is becoming more and more popular nowadays. At the same time there are still very few studies which enable us to assess objectively the real influence of organic food on human health. Aim: The aim of this research was to analyze and to compare some aspects of organic and conventional consumers' lifestyle and to compare the self-assesse...
Article
Aim of the study: The main aim of the research was to evaluate and to compare the ecological awareness of people representing three groups: amateurs, competitors and trainers in the context of their physical activity and lifestyle. Methods: Questionnaire survey concerning the ecological awareness covered 150 respondents living in Warsaw and represe...
Article
Full-text available
During the last decades consumers" trust in food quality and safety has drastically decreased, mainly due to several food scandals and growing ecological awareness. Consumers have started to look for safer foods, produced in environmentally friendly, authentic and local systems. Organically produced foods are believed to satisfy these demands. Orga...

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Projects

Projects (3)
Project
SysOrg identifies how pathways to increase sustainable food production and consumption can be successfully designed. This requires a better understanding of food systems, including the multitude of actors involved and the identification of critical points within systems. This is done by mapping and analysing five case territories (Copenhagen, Cilento, North Hessia, War-saw, Kenitra) in a transdisciplinary way. Thus, the following questions are addressed from four perspectives: transition, diet, organic food and farming, and food waste. - What is the understanding of sustainability to drive the transformation towards sustainable food systems? - How can pathways to increase sustainable food production and consumption across the system be successfully designed? - What are the reasons, motivations, drivers or barriers for actors to opt for more sustainable solutions? - What are the promising entry points for developing, consolidating and disseminating organic food and farming, reducing waste and shifting to sustainable diets? - What are critical points to bring these perspectives together in a systems approach?
Project
We aim to create a strong, multidisciplinary network of experts covering fields such as child nutrition and health, organic and sustainable food and health, psycho-social research areas, various areas of biomarkers, i.e. microbiome and the different omics techniques.
Project
Organic Food Quality is not really a stand-alone R&D project, but a central research scheme/focus that was investigated as part of a wide range of NEFG contract R&D projects. The main objectives were to study impacts of: - rotation, fertilisation, crop protection and varieties used in organic and conventional systems on crop composition (e.g. protein profiles, antioxidants, vitamins, minerals, pesticides, toxic metals) - feeding regimes, livestock husbandry and breeds used in organic and conventional systems on milk and meat composition (e.g. antioxidants, protein and fatty acid profiles) - feeds made from organic and conventional crops on animal physiology, including hormonal balances and immune system responsiveness, and - trade-offs between crop and livestock health, productivity and food quality and safety parameters