Results 41 to 50 of about 3,488,033 (343)

On the stability of mediaeval inorganic pigments: a literature review of the effect of climate, material selection, biological activity, analysis and conservation treatments

Heritage Science, 2017
This review is to be considered part of the development of the MEMORI dosimeter, to evaluate the impact of climate (relative humidity, temperature, illumination, etc., including volatile organic compounds) on moveable objects.
A. Coccato, L. Moens, P. Vandenabeele
semanticscholar   +1 more source

Multiple Roles of Photosynthetic and Sunscreen Pigments in Cyanobacteria Focusing on the Oxidative Stress

Metabolites, 2013
Cyanobacteria have two types of sunscreen pigments, scytonemin and mycosporine-like amino acids (MAAs). These secondary metabolites are thought to play multiple roles against several environmental stresses such as UV radiation and desiccation.
Seiichi Matsugo, Toshio Sakamoto, Naoki Wada   +2 more
doaj   +1 more source

Anthocyanins: Plant-based flavonoid pigments with diverse biological activities

International Journal of Plant Based Pharmaceuticals, 2022
Anthocyanins are flavonoid containing polyphenolic phytochemicals. They are widely present in plants and accounts for different color shades displayed by the plant organs.
Sandip Patra, Priyanka N. Makhal, Shubham Jaryal, Nilesh More, Venkata Rao Kaki   +4 more
doaj  

PHOTOCHEMICAL RING-OPENING IN meso-CHLORINATED CHLOROPHYLLS [PDF]

, 1990
Irradiation of 20-chloro-chlorophylls of the a-type with visible light produces long-wavelength shifted photoproducts, which transform in the dark to linear tetrapyrroles (bile pigments).
Struck, A., Scheer, Hugo, Schneider, Siegfried, Cmiel, Edmund   +3 more
core   +1 more source

Production of bioactive β-carotene by the endophytic bacterium Citricoccus parietis AUCs with multiple in vitro biological potentials

Microbial Cell Factories, 2023
Background Although microalgae and plants are traditionally used for obtaining natural pigments, overexploitation and overharvesting threaten them. Bacteria represent a superior alternative for the production of pigments due to their ability to produce ...
N. Hagaggi, U. Abdul-Raouf
semanticscholar   +1 more source

Marennine, Promising Blue Pigments from a Widespread Haslea Diatom Species Complex

Marine Drugs, 2014
In diatoms, the main photosynthetic pigments are chlorophylls a and c, fucoxanthin, diadinoxanthin and diatoxanthin. The marine pennate diatom Haslea ostrearia has long been known for producing, in addition to these generic pigments, a water-soluble blue
Romain Gastineau, François Turcotte, Jean-Bernard Pouvreau, Michèle Morançais, Joël Fleurence, Eko Windarto, Fiddy Semba Prasetiya, Sulastri Arsad, Pascal Jaouen, Mathieu Babin, Laurence Coiffard, Céline Couteau, Jean-François Bardeau, Boris Jacquette, Vincent Leignel, Yann Hardivillier, Isabelle Marcotte, Nathalie Bourgougnon, Réjean Tremblay, Jean-Sébastien Deschênes, Hope Badawy, Pamela Pasetto, Nikolai Davidovich, Gert Hansen, Jens Dittmer, Jean-Luc Mouget   +25 more
doaj   +1 more source

Effect of Saccharomyces cerevisiae Live Cell and Treated with Heat and Acid on Citrinin and Pigments of Monascus purpureus [PDF]

Pizhūhish va Nuāvarī dar ̒Ulūm va Sanāyi̒-i Ghaz̠āyī, 2020
Monascus purpureus can produce a wide range of natural pigments so attract the attention of food producers as substitute of synthetic colors. Monascus pigments usually accompanied with citrinin contamination which limits their wide application in foods ...
Hediyeh Davoudi Moghadam, Fakhri Shahidi, Farideh Tabatabaei Yazdi, Mahbobeh Sarabi-Jamab, Zarrin Es'haghi   +4 more
doaj   +1 more source

A quantitative description of fluorescence excitation spectra in intact bean leaves greened under intermittent light

, 1990
Pfündel E, Baake E. A quantitative description of fluorescence excitation spectra in intact bean leaves greened under intermittent light. Photosynthesis Research.
Pfündel, Erhard, Baake, Ellen
core   +1 more source

MICROALGAE – NON-TRADITIONAL SOURCES OF NUTRITIENTS AND PIGMENTS FOR FUNCTIONAL FOODS [PDF]

Journal of Engineering Science (Chişinău), 2020
The aim of this review is to draw the attention of researchers and technological engineers from the Moldovan food industry towards the potential of microalgae as a non-traditional source of nutrients and biological active substances, such as proteins ...
Gurev, Angela, Dragancea, Veronica, Haritonov, Svetlana   +2 more
doaj   +1 more source

The major carotenoid pigments of the grain aphid, Sitobion avenae (F.) (Hemiptera: Aphididae)

, 1999
The economically important grain aphid, Sitobion avenae (F.) shows colour polymorphism with brown and green forms predominating. Colour is determined both genetically and in response to environmental factors, including nutrition.
Loxdale, H. D., Jenkins, R. L., H. D. Loxdale, Brookes, C. P., A. F. G. Dixon, C. P. Brookes, Dixon, A. F. G., R. L. Jenkins   +7 more
core   +1 more source