Results 11 to 20 of about 262,925 (314)

Colour changes during beer aging. [PDF]

Kvasný průmysl, 2008
Spectrum changes of yellow, orange and yellow-red oxidation products of epicatechin with their typical absorption maximum around 430 nm were studied. Oxygen is necessary for the non-enzymatic formation of these substances and their formation increases ...
Jan ŠAVEL, Petr KOŠIN, Adam BROŽ
doaj   +2 more sources

Colour expectations across illumination changes [PDF]

Vision Research
This study investigates human expectations towards naturalistic colour changes under varying illuminations. Understanding colour expectations is key to both scientific research on colour constancy and applications of colour and lighting in art and industry.
Karimipour, Hamed, Witzel, Christoph
openaire   +5 more sources

The effect of polyploidy and hybridization on the evolution of floral colour in Nicotiana (Solanaceae). [PDF]

, 2015
Speciation in angiosperms can be accompanied by changes in floral colour that may influence pollinator preference and reproductive isolation. This study investigates whether changes in floral colour can accompany polyploid and homoploid hybridization ...
Taylor, L, Arnold, Sarah E., Arnold, SE, Arnold, Sarah E. J., Chittka, Lars, Chittka, L, Kovařík, A, Le Comber, S., Knapp, S., Baldwin, Ian, Mhiri, C, Verity, Robert, Verity, R, Le Comber, SC, Taylor, Lin, Kelly, L., Le Comber, Steven C., Knapp, Sandra, Knapp, S, Leitch, A.R., Arnold, SEJ, Baldwin, I., Chase, M.W., Chittka, L., Leitch, AR, Leitch, Andrew R., Arnold, Sarah E.J., Mhiri, Corinne, McCarthy, E.W., Chase, Mark W., Kelly, LJ, Taylor, L., Arnold, S.E.J., Chase, M., Kovařík, Aleš, Kovařík, A., McCarthy, E., Leitch, A., Verity, R., McCarthy, Elizabeth W., Dodsworth, Steven, Kelly, L.J., Kelly, Laura J., Dodsworth, S., Mhiri, C., Dodsworth, S, Chase, MW, Arnold, S., Baldwin, I.T., Baldwin, Ian T., Le Comber, S.C., Baldwin, IT, McCarthy, EW   +52 more
core   +1 more source

Effect of Hairiness on Fabric Colour Characteristics [PDF]

Tekstilec, 2020
Designing the colour appearance of textiles requires taking into account their surface properties, hairiness among others. The villi protruding on the surface not only affect the quality of textile dyeing, but also largely determine its optical ...
Kateryna Smykalo, Oksana Zakora
doaj   +1 more source

Morphological skin colour changes in teleosts [PDF]

, 2010
Morphological skin colour change in fish is often referred to in the sole context of background adaptation. It is becoming increasingly apparent that it is a broad phenomenon elicited by a variety of factors. To date, no review has attempted to integrate
Leclercq, Eric, Migaud, Herve, Taylor, John   +2 more
core   +1 more source

Colouration and colour changes of the fiddler crab, Uca capricornis: a descriptive study. [PDF]

PLoS ONE, 2008
Colour changes in animals may be triggered by a variety of social and environmental factors and may occur over a matter of seconds or months. Crustaceans, like fiddler crabs (genus Uca), are particularly adept at changing their colour and have been the ...
Tanya Detto, Jan M Hemmi, Patricia R Y Backwell   +2 more
doaj   +1 more source

Degradation of Anthocyanin Content in Sour Cherry Juice During Heat Treatment

Food Technology and Biotechnology, 2015
Sour cherry juices made from two sour cherry cultivars (Érdi bőtermő and Kántorjánosi 3, were investigated to determine their total anthocyanin content and half-life of anthocyanins during heat treatment at different temperatures (70, 80 and 90 °C) for 4
Lilla Szalóki-Dorkó, György Végvári, Márta Ladányi, Gitta Ficzek, Mónika Stéger-Máté   +4 more
doaj   +1 more source

Hydroxymethylfurfural content and colour parameters of cookies with defatted wheat germ

Czech Journal of Food Sciences, 2019
Defatted wheat germ was used to substitute wheat flour by 5-15% to produce cookies enriched with protein, fat, sugar and minerals. The effects of different level of substitution of wheat flour by defatted wheat germ and dough moisture content (20-24%) on
Marijana Sakač, Pavle Jovanov, Jovana Petrović, Lato Pezo, Aleksandar Fišteš, Ivana Lončarević, Biljana Pajin   +6 more
doaj   +1 more source

CHANGES IN THE COLOUR OF BUTTERFLIES [PDF]

The Canadian Entomologist, 1902
While studying the specializations of the wing in the Papilionides, the general results of which are published in the Proc. Am. Philosophical Society, Jan., 1899, I found that Iphiclides, Ajax, Marcellus, etc., differed so strongly from the type of Turnus as to be generically separable. Ajax is, in fact, allied to species having a greenish or yellowish
openaire   +2 more sources

Changes in the Quality of Old Apple Cultivars After Freeze-Drying

Acta Universitatis Cibiniensis. Series E: Food Technology, 2020
There are several thousand different cultivars of apple trees but only a limited number are cultivated on an industrial scale. Old cultivars can be useful, for example, in the processing industry due to their different composition.
Sikora Fryderyk, Lachowicz Sabina, Kapusta Ireneusz, Dylawerski Marek, Zyska Wojciech, Ochmian Ireneusz   +5 more
doaj   +1 more source