Results 41 to 50 of about 128,012 (217)

Pigments Characterization and Molecular Identification of Bacterial Symbionts of Brown Algae Padinasp. Collected from Karimunjawa Island

Ilmu Kelautan, 2016
The search for carotenoids in nature has been extensively studied because of their applications in foods. One treasure of the biopigment source is symbiotic-microorganisms with marine biota.
Damar Bayu Murti, A B Susanto, Ocky Karna Radjasa, Ferdy Semuel Rondonuwu   +3 more
doaj   +1 more source

Identifikasi Pigmen Karotenoid Pada Bakteri Simbion Rumput Laut Caulerpa Cupressoides (Vahl) C. Agardh [PDF]

, 2013
One of natural pigments besides Chlorophyll is carotenoid that has two classes, namely Xanthophyll and Carotene that have important roles for human helath like provitamin A, antioxidant, anticancer, and to improve the better immune responses. Carotenoids
Arlita, N. R. (Nurul), Radjasa, O. K. (Ocky), Santoso, A. (Adi)   +2 more
core  

Non-invasive investigations of a wall painting using optical coherence tomography and hyperspectral imaging [PDF]

, 2011
Multispectral and hyperspectral imaging are efficient methods of measuring spectral reflectance at high spatial resolution. This non-invasive technique has been applied to the imaging of paintings over the last 20 years.
Howard, H, Lange, R, Liang, H, Spooner, J   +3 more
core   +1 more source

Common Medieval Pigments [PDF]

, 2004
This paper discusses the pigments used in medieval manuscripts. Specific types of pigments that are examined are earths, minerals, manufactured, and organics.
Baker, A
core   +1 more source

High performance liquid chromatography as a micro-destructive technique for the identification of anthraquinone red dyestuffs in cultural heritage objects

Chemistry Teacher International, 2023
This article describes two of the most common natural sources of red anthraquinones that have been used since antiquity for textile dyeing and as lake pigments, namely cochineal insect and the roots of Rubia and Relbunium plants.
Careaga Valeria P., Blanco Guerrero Astrid, Siracusano Gabriela, Maier Marta S.   +3 more
doaj   +1 more source

MULTI-INSTRUMENTAL IDENTIFICATION OF ORPIMENT IN ARCHAEOLOGICAL MORTUARY CONTEXTS [PDF]

, 2014
Indexación: Web of Science; Scielo.This paper reports on an unknown yellowish mineral compound found in an archaeological context from Chorrillos cemetery (Calama, Chile) dating to the Early Formative period (800 - 200 B.C.).
ARRIAZA, BERNARDO, CAMPOS-VALLETTE, MARCELO, LARA, NELSON, LEYTON, PATRICIO, OGALDE, JUAN PABLO, PAIPA, CAROLINA, SALAS, CRISTIAN O.   +6 more
core   +1 more source

FORS, Fiber Optics Reflectance Spectroscopy con gli spettrometri miniaturizzati per l’identificazione dei pigmenti

Archeomatica, 2014
Questo articolo riporta i risultati del test di un sistema FORS (Fiber Optics Reflectance Spectroscopy) assemblato con componenti Ocean Optics. Questa ditta ha sviluppato una linea di spettrometri miniaturizzati e dal costo estremamente contenuto.
Antonino Cosentino
doaj  

Identification of organic pigments in tattoo inks and permanent make-up using laser desorption ionisation mass spectrometry [version 2; referees: 2 approved]

F1000Research, 2018
Nowadays, about 12% of the European and 20% of the US population are tattooed. Rising concerns regarding consumer safety, led to legal restrictions on tattoo and permanent make-up (PMU) inks. Restrictions also include bans on certain colourants. Both ink
Markus Niederer, Urs Hauri, Lydia Kroll, Christopher Hohl   +3 more
doaj   +1 more source

Carotenoid Cocktail Produced by An Antarctic Soil Flavobacterium with Biotechnological Potential

Microorganisms, 2021
Carotenoids are highly important in pigmentation, and its content in farmed crustaceans and fish correlates to their market value. These pigments also have a nutritional role in aquaculture where they are routinely added as a marine animal food ...
Paulina Pradel, Nancy Calisto, Laura Navarro, Andrés Barriga, Nicolás Vera, Carlos Aranda, Robert Simpfendorfer, Natalia Valdés, Gino Corsini, Mario Tello, Alex R. González   +10 more
doaj   +1 more source

Identification and quantification of anthocyanin pigments in colored rice [PDF]

Nutrition Research and Practice, 2008
Anthocyanin pigments from varieties of black, red and wild rice were identified and quantified to evaluate their potential as nutritional function, natural colorants or functional food ingredients. Anthocyanin extraction was conducted with acidified methanol with 0.1M HCl (85:15, v/v) and identification of anthocyanin, aglycone and sugar moieties was ...
Kim, Min-Kyoung, Kim, Han-ah, Koh, Kwangoh, Kim, Hee-Seon, Lee, Young Sang, Kim, Yong Ho   +5 more
openaire   +2 more sources