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Phycoerythrin is a major light-harvesting pigment of red algae, which could be used as a natural dye in foods. The stability of R-phycoerythrin of Grateloupia turuturu and B-phycoerythrin of Porphyridium cruentum in relation to different light exposure times, pHs, and temperatures was studied. Regarding the light exposure time, after 48h, the reduction in concentrations of B-phycoerythrin and R-phycoerythrin were 30±2.4% and 70±1%, respectively. Phycoerythrins presented good stability from pH 4 to 10. At pH 2, the reduction in concentration was 90±4% for B-phycoerythrin and 40±2.5% for R-phycoerythrin while, at pH 12, the phycoerythrins were degraded. Phycoerythrins showed good stability toward temperature, up to 40°C. At 60°C, the reduction in concentrations of B-phycoerythrin and R-phycoerythrin were 50±3.4% and 70±0.18%, respectively. Moreover, the best conditions of storage (-20°C) were determined.
This article was published in the following journal.
Name: Food chemistry
The objectives of this research were to produce whey protein concentrate (WPC) multiple nanoemulsion (MNE) and to study how whey protein concentration level and antioxidant type affected the physicoch...
Gracilariopsis lemaneiformis (aka Gracilaria lemaneiformis) is a red macroalga rich in phycoerythrin, which can capture light efficiently and transfer it to photosystemⅡ. However, little is known ab...
Oil-in-water (O/W) emulsions are among the dispersion systems commonly used in food, and these emulsions are in thermodynamically unstable or metastable states. In this paper, various methods for prep...
B-Phycoerythrin is a color protein with several applications, from food coloring to molecular labeling. Depending on the application, different purity is required, affecting production cost and price....
This study describes the physicochemical characterization, stabilization and formulation design of SM4-AC, an acrylodan labeled glucose/galactose binding protein for use in a continuous glucose monito...
Age-related macular degeneration (AMD) is the leading cause of blindness in the United States. Low dietary intake or low blood levels of lutein and zeaxanthin, which are the only pigments...
The overall aim of the study is to investigate the Ponto wide implant considering; initial implant stability, stability over time, skin reaction and long term success when loaded at 3 week...
Chronic constipation (CC) and Irritable Bowel Syndrome with Constipation (IBS-C) are two conditions difficult to manage because factors affecting dissatisfaction to treatments are misleadi...
A Multi-center Cross-sectional quantitative study with a preliminary qualitative study part aiming to identify and analyze demand factors, supply factors and perceptions affecting Breast C...
The main objective is to evaluate the stability of EEG features on an individual level.
Situations affecting a significant number of people, that are believed to be sources of difficulty or threaten the stability of the community, and that require programs of amelioration.
A multifactorial disease of CATTLE resulting from complex interactions between environmental factors, host factors, and pathogens. The environmental factors act as stressors adversely affecting the IMMUNE SYSTEM and other host defenses and enhancing transmission of infecting agents.
Sequences within RNA that regulate the processing, stability (RNA STABILITY) or translation (TRANSLATION, GENETIC) of RNA.
Lack of stability of a joint or joint prosthesis. Factors involved are intra-articular disease and integrity of extra-articular structures such as joint capsule, ligaments, and muscles.
The relating of causes to the effects they produce. Causes are termed necessary when they must always precede an effect and sufficient when they initiate or produce an effect. Any of several factors may be associated with the potential disease causation or outcome, including predisposing factors, enabling factors, precipitating factors, reinforcing factors, and risk factors.