US 12,252,726 B2
Process for simultaneous production of citric acid and cellulolytic enzymes
Mukund Adsul, Faridabad (IN); Simranjeet Kaur Sandhu, Faridabad (IN); Reeta Rani Singhania, Faridabad (IN); Anshu Shankar Mathur, Faridabad (IN); Ravi Prakash Gupta, Faridabad (IN); Deepak Kumar Tuli, Faridabad (IN); Suresh Kumar Puri, Faridabad (IN); and Sankara Sri Venkata Ramakumar, Faridabad (IN)
Assigned to INDIAN OIL CORPORATION LIMITED, Mumbai (IN)
Filed by INDIAN OIL CORPORATION LIMITED, Mumbai (IN); and DEPARTMENT OF BIOTECHNOLOGY, New Delhi (IN)
Filed on Jul. 31, 2021, as Appl. No. 17/390,956.
Application 17/390,956 is a continuation in part of application No. 16/698,666, filed on Nov. 27, 2019, granted, now 11,149,261.
Claims priority of application No. 201821044919 (IN), filed on Nov. 28, 2018; and application No. 202123031729 (IN), filed on Jul. 14, 2021.
Prior Publication US 2021/0355511 A1, Nov. 18, 2021
Int. Cl. C12P 7/48 (2006.01); C12N 1/20 (2006.01); C12P 21/02 (2006.01); C12R 1/80 (2006.01)
CPC C12P 7/48 (2013.01) [C12N 1/20 (2013.01); C12P 21/02 (2013.01); C12P 2203/00 (2013.01); C12R 2001/80 (2021.05)] 12 Claims
OG exemplary drawing
 
1. A process for simultaneous production of citric acid and cellulolytic enzymes, the process comprising:
(i) adding slurry of a pre-treated lignocellulosic biomass or cellulose in a fermentation media;
(ii) inoculating 10% (v/v) active liquid seed culture of Penicillium funiculosum MRJ-16 (MTCC-25142) in the fermentation media of step (i);
(iii) subjecting the culture of step (ii) to fermentation in an aerated fermenter at a temperature of 28-33° C. for a duration of 96 hours; and
(iv) collecting enzyme broth after fermentation of step (iii) to obtain citric acid and cellulolytic enzymes.