Pigment or Organism Name:	Violaxanthin
Type:	biological pigment
Medium Type:	in vitro
Description:	In vitro absorbance spectrum of Violaxanthin from green algae dissolved in  solvent mixture


x-axis label:	wavelength
x-axis units:	nm
y-axis label:	absorbance
y-axis units:	relative
error label:	nil
error units:	nil


Source/Contact:	Prof. Harry Frank, Amy LaFountain (lab tech), Univ of Connecticut

Reference:	Personal communication


Comments:	In vitro absorbance spectra obtained during HPLC separation using our Waters 996 PDA detector. Solvent composed of 99% Solvent A (87:10:3 acetonitrile/methanol/water) and 1% Solvent B (ethyl acetate).  Pigment sample obtained obtained from green algal extracts. Peaks occur at about 441 and 471 nm.
	Molecular formula:  C40-H56-O4




Keywords:	Violaxanthin, carotenoid, green algae

Datafile name:	Violaxanthin_LaFountain_2009_spec.csv