from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A blue phycobilin occurring especially in the cells of cyanobacteria.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A pigment from the light-harvesting phycobiliprotein family, along with allophycocyanin and phycoerythrin, an accessory pigment to chlorophyll.
from the GNU version of the Collaborative International Dictionary of English
- n. A blue coloring matter found in certain algæ.
from The Century Dictionary and Cyclopedia
- n. A blue coloring matter which is present, in addition to chlorophyl, in the cells of certain algæ, and imparts to them a bluish-green color, as in the Cyanophyceæ or Phycochromacæ. It is soluble in water, but insoluble in alcohol or ether.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. blue pigment in algae
Sorry, no etymologies found.
So while brown stercobilin, red phycoerythrin, green phycoverdin, and blue phycocyanin all have similar structures with lots of alternating bonds, the differences in color aren't necessarily closely tied to any one part of their structure.
Blue-green algae available at most health-food stores contains omega fatty acids and the antioxidant phycocyanin and works similarly to a nonsteroidal anti-inflammatory drug like ibuprofen.
Her goal is to develop a detection system based on the wavelength of light reflected from phycocyanin, the blue-green pigment that gives cyanobacteria their common name.
Ledon, N., and Garcia, I. "Antioxidant and anti-inflammatory properties of C-phycocyanin from blue - green algae".
Most importantly, Cryptomonadales contains natural phycocyanin and PPARs agonists.
Eucommia Bark (12: 1 extract; 54 mg) - Contains phycocyanin, a powerful anti-oxidant and immune enhancer & provides vegetarian pre-made glycogen, an energy source for our immune system.
They are pigmented with allophycocyanins, phycocyanin, and phycoerythrin that are located in phycobilisomes.
In addition to R-phycocyanin (R-PC) and APC, two different spectral types of PEs were found in
In Penascola Bay in Florida, the proportion of phycocyanin-rich to phycoerythrin-rich strains of Synechococcus decreased dramatically from ~ 20 PSU to 28 PSU, i.e. PC-rich cells were an order or magnitude higher in abundance in the upper, lower salinity, part of this estuary.
This size class was consistently phycocyanin (PC) - rich.