Pigment or Organism Name: Diatoxanthin Type: biological pigment Medium Type: in vitro Description: In vitro absorbance spectrum of Diatoxanthin 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: Diatoxanthin from Phaeodactylum tricornutum dissolved in 90% Solvent A (87:10:3 acetonitrile/methanol/water) and 10% Solvent B (ethyl acetate). In vitro absorbance spectra obtained during HPLC separation using our Waters 996 PDA detector. Pigment sample obtained by purification of Phaeodactylum tricornutum extract. Peaks occur at about 455.5 and 482 nm. Molecular formula: C40-H54-O2 Keywords: Diatoxanthin, Phaeodactylum tricornutum, diatom Datafile name: Diatoxanthin_solvent_LaFountain_2009_spec.csv