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Polyphenol compounds were analysed and storage stability determined of cold-pressed cakes from one non-genetically modified (non-GM) flax variety Linola and two GM lines: W92 line with overexpressed flavonoid biosynthesis pathway and GT line with overexpressed glycosyltransferase. The 20 g samples of each cake were stored in oxygen-free and dark conditions for 3 (T3) and 7 (T7) months at 4 and 21...
Genetically-modified (GM) tomatoes, carrying thaumatin gene encoding sweet-tasting protein may be a component of diet with high sensory values, constituting a valuable source of nutrients and substances with a health-promoting role. Good utilization and a lack of the effect on animal growth, value of hematological parameters, concentration of immunoglobulins and most of chemical blood parameters of laboratory...
DNA recombination techniques enable the introduction of genes encoding proteins responsible for the production of substances which increase the nutritional and dietary value of edible plant parts, and make it possible to obtain second-generation genetically modified plants (GM2). However, plant transformation carries a potential risk of unintended and unexpected effects, the identification of which...
The procedures for GMO safety tests include traceability of transgenic protein and transgenic DNA if the plant constitutes a component in the diet for an animal. This is due to the possibility of horizontal transfer of genes, accumulation of transgenic DNA in consumer’s organs, or induction of antibiotic resistance in gastrointestinal tract microflora. The last possibility is related to the use of...
Oznaczono skład chemiczny krajowego suszonego wywaru z pszenicy (WDDGS) uzyskanego przy produkcji bioetanolu z ziarna pszenicy w jednej z polskich firm handlowych. Oceniany WDDGS zawierał trzykrotnie więcej białka ogólnego (33,8%), ale też wielokrotnie więcej włókna surowego (14,22%) w porównaniu z ziarnem pszenicy. Zawartość lizyny, metioniny, treoniny i fenyloalaniny w białku WDDGS była podobna...
For 4 weeks, male outbred IF2Jaz rats, divided into 4 groups (n=10), were administered ad libitum diets with 30% addition of dried tubers of transgenic potatoes with repression of isoform a, c as well as a and c of 14-3-3 protein (experimental groups) or with the addition of non-transgenic potatoes of Desiree cultivar (control group). The administration of transgenic potatoes did not affect the growth...
A study was undertaken to assess the nutritional value of tubers of transgenic lines of potato cv. Desiree with repression of a and c isoforms of 14-3-3 proteins obtained by means of antisense transformations. Isoforms of 14-3-3 protein are responsible for metabolism of carbohydrates, amino acids and calcium. Repression of that protein, i.e. reduction of its synthesis in a potato plant, results in:...
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