BioTeSys publiziert regelmäßig wissenschaftliche Artikel zu unterschiedlichen Themen aus dem Umfeld der Prüfung und wissenschaftlichen Absicherung von biologischen und chemischen Produkten.
Publikation: 18. Juni 2015
Arthropathies present a major challenge for the public health system, both in terms of epidemiology and health economics, particularly against the background of demographic changes in the Western world. Much attention must be paid to prevention, because of the limited options and high technical and financial expenditure with respect to treatment. Among other factors, nutrition plays an important role.
Publikation: 01. Mai 2015
Mit der VO (EG) Nr. 1924/2006 über nährwert- und gesundheitsbezogene Angaben über Lebensmittel (sog. „Health Claims Verordnung“ – HCV) wird Lebensmittelunternehmen die Möglichkeit eröffnet, Lebensmittel mit einer wirkbezogenen Aussage zu vermarkten. Acht Jahre nach dem Inkrafttreten der Verordnung sollen in der gebotenen Kürze regulatorische Entwicklungen in der Umsetzung der HCV nachvollzogen und Informationen zur Vorgehensweise bei der Zulassung von Health Claims gegeben werden. Darüber hinaus wird auf die Anforderungen an eine wissenschaftliche Absicherung von gesundheitsbezogenen Angaben und die dafür notwendigen Evidenzkriterien eingegangen. Von der EFSA wurden hohe Hürden für die wissenschaftliche Absicherung aufgestellt. Mit dem Artikel sollen Schwächen bei der bisherigen Vorgehensweise dargestellt werden, ein Überblick über die noch offenen Themen gegeben und Möglichkeiten zur Bewältigung der wissenschaftlichen Anforderungen aufgezeigt werden.
Publikation: 02. April 2015
Many relevant EU projects were funded during last decade and MARK-AGE (European Study to Establish Biomarkers of Human Ageing) was the first focused on the identification of biomarkers connecting itself with a previous funded project, i.e. GEHA (Genetic of Healthy Ageing) that identified European families with longevity component (Franceschi et al., 2007). MARK-AGE was mainly a cross sectional study, based on definite assumptions and focused on an age range between 34 and 75 years, in order to identify early biomarkers of biological vs. chronological age, potentially capable of predicting the rate of ageing later in life.
Publikation: 26. März 2015
Within the MARK-AGE project, a population study (3337 subjects) was conducted to identify a set of biomarkers of ageing which, as a combination of parameters with appropriate weighting, would measure biological age better than any single marker. The MARK-AGE project involves 14 European countries and a total of 26 research centres
Publikation: 24. März 2015
Many candidate biomarkers of human ageing have been proposed in the scientific literature but in all cases their variability in cross-sectional studies is considerable, and therefore no single measurement has proven to serve a useful marker to determine, on its own, biological age. A plausible reason for this is the intrinsic multi-causal and multi-system nature of the ageing process.
Publikation: 07. März 2015
While assessing the applications for
possible health claims for food constituents,
we advocate the integration of additional
elements, namely grading of evidence,
consideration of the risk-benefit ratio
and epidemiological and health economic
Publikation: 09. September 2014
DNA strand breaks are one of the most common genotoxic lesions and they can also arise as intermediates of DNA repair activity. We have previously published an automated method for measuring DNA strand breaks based on fluorimetric detection of alkaline DNA unwinding , and here we present a mathematical model of the FADU assay, which enables to an analytic expression for the relation between measured fluorescence and the number of strand breaks.
Publikation: 27. Mai 2014
Gastrointestinal (GI) discomfort, e.g. bloating or rumbling, is a common symptom in otherwise healthy adults. Approximately 20% of the population, particularly women suffer from gastrointestinal discomfort and this affects quality of life. Recent studies discovered a link between the body and mind, called the gut-brain axis. Psychosocial factors, such as e.g. daily stress may cause altered gut physiology leading to ileum contractions and consequently gastrointestinal symptoms. In vitro and ex vivo studies clearly showed that a Perilla frutescens extract combines prokinetic, antispasmodic and anti-inflammatory effects. The aim of the intervention was to investigate the effects of the proprietary Perilla extract on GI discomfort in healthy subjects with gastrointestinal discomfort and reduced bowel movements in comparison to a placebo product.
Publikation: 14. Dezember 2013
Attempts have been made to use non-compositional parameters, such as total antioxidant capacity (TAC), determined by assays such as oxygen radical absorbance capacity, ferric-reducing ability of plasma, and trolox-equivalent antioxidant capacity, as surrogate markers for food quality and for monitoring food-related changes in human plasma in dietary intervention studies. Increased TAC of plasma is often indiscriminately, and therefore incorrectly, interpreted as being favorable to human health. Whether or not dietary compounds may indeed exert health effects depends on factors other than mere presence in food or body fluids. Many phytochemicals, for example, are poorly absorbed and rapidly metabolized into molecules with altered physicochemical, and therefore biological, properties. Consequently, the use of TAC assays for the in vitro assessment of antioxidant quality of food, which often is employed as a marketing argument or for the assessment of the "wholesomeness" of food, is to be discouraged.
Publikation: 29. Mai 2013
Metabolism is essential to understand human health. To characterize human metabolism, a high-resolution read-out of the metabolic status under various physiological conditions, either in health or disease, is needed. Metabolomics offers an unprecedented approach for generating system-specific biochemical definitions of a human phenotype through the capture of a variety of metabolites in a single measurement. The emergence of large cohorts in clinical studies increases the demand of technologies able to analyze a large number of measurements, in an automated fashion, in the most robust way. NMR is an established metabolomics tool for obtaining metabolic phenotypes.