Golden brown colour of diatoms is due to presence of__________? August 10, 2021June 9, 2018 by admin Golden brown colour of diatoms is due to presence of__________? A. Mycoxanthin, mucoxanthin and myxoxanthophylls B. Alpha and beta carotenes and myxoxanthin C. Fucoxanthin, diatoxanthin, diadinoxanthin D. None of the above