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Title: Bacoside biosynthesis during in vitro shoot multiplication in Bacopa monnieri (L.) Wettst. grown in Growtek and air lift bioreactor
Authors: Sharma, Munish
Gupta, Rajinder
Khajuria, Ravi Kant
Mallubhotla, Sharada
Ahuja, Ashok
Keywords: Aeration;Bacosides;Bacopa monnieri (Brahmi);Continuous immersion;Growth index;Memory enhancers
Issue Date: Oct-2015
Publisher: NISCAIR-CSIR, India
Abstract: Shoot cultures of Bacopa monnieri L. (Brahmi) were cultivated in shake flask (1 L) and two bioreactor systems: Growtek® (1 L) and modified bench top air lift bioreactor (ALB) (5 L). Continuous immersion and aeration supported excellent growth and enhanced levels of bacoside (A3+A2) production in ALB. Growth index (GI) in terms of dry wt was recorded maximum in the ALB (5.84), followed by Growtek® (4.22) and shake flasks (2.61) after 4 wk of incubation. ALB recorded the highest number of shoots (443.33), as compared to that in Growtek® (42.67) and shake flasks (23.33). Furthermore, bacoside production in shoot cultures of the ALB system was ~ 1.75-fold higher as compared to cultures in shake flask. Nutrient exhaustion in spent medium from the various systems was also measured. Present work reports the feasibility of shoot cultivation in liquid medium to develop a suitable bioreactor strategy.
Page(s): 547-551
ISSN: 0975-0967 (Online); 0972-5849 (Print)
Appears in Collections:IJBT Vol.14(4) [October 2015]

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