1. Natural hydroxyanthraquinoid pigments as potent food grade colorants: an overview;Caro;Nat. Prod. Bioprospect.,2012
2. Pigments and colorants from filamentous fungi;Caro,2016
3. Microbiological production of carotenoids. IV. Effect of various grains on production of β-carotene by mated strains of Blakeslea trispora;Ciegler;Appl. Microbiol.,1959
4. Microbial carotenegenesis;Ciegler;Adv. Appl. Microbiol.,1965
5. Pigments from microalgae and microorganisms: sources of food colorants;Dufossé,2008