| Answer | Crossword Clue |
|---|---|
| phycophaeins | PHYCOPHAEIN, a brown pigment found in seaweeds |
| phycophaein | a brown pigment found in seaweeds |
| phycoxanthin | a yellow pigment found in diatoms, brown seaweeds etc |
| phycoxanthins | PHYCOXANTHIN, a yellow pigment found in diatoms, brown seaweeds etc |
| anatases | One of the tetragonal forms of titanium dioxide, usually found as brown crystals, used as a pigment in paints and inks |
