1. Aberoumand A (2011) A review article on edible pigments properties and sources as natural bio-colorants in foodstuff and food industry. World J Dairy Food Sci 6:71–78
2. Adinarayana K, Bapi KVVSN, Raju MIZ et al (2004) Optimization of process parameters for production of lipase in solid-state fermentation by newly isolated aspergillus species. IJBT 3(1):65–69
3. Ahmed SAR, Mehrez EE-N, Ahmed A, Osama MM, Sarah IO (2020) Review microbial natural products in drug discovery. PRO 8:470
4. Andrewes AG, Phaff HJ, Starr MP (1976) Carotenoids of Phaffia rhodozyma, a red-pigmented fermenting yeast. Phytochemistry 15:1003–1007
5. Annam R (2020) Growth kinetics in batch culture. In: Biochemical engineering, pp 1–9