Journal
PHYSIOLOGY AND MOLECULAR BIOLOGY OF PLANTS
Volume 22, Issue 3, Pages 407-413Publisher
SPRINGER
DOI: 10.1007/s12298-016-0366-y
Keywords
Bacoside A; Harvest index; Memory enhancer; Relative growth rate
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Funding
- University Grant Commission (UGC), Govt. of India, New Delhi
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Bacoside A, a major active principle of Bacopa monnieri known for its cognitive effects is a mixture of saponins like bacoside A3, bacopaside II, isomer of bacopasaponin C and bacopasaponin C. Seasonal changes in biomass and bacoside A levels in fourteen accessions of B. monnieri were evaluated after maintaining these at a common site at Thapar University campus, Patiala (30 degrees 19'36.12 '' N and 76 degrees 24'1.08 '' E) for 1 year. Harvestable biomass and total bacoside A contents varied significantly between the accessions and also in a particular accession during different seasons of the year. The maximum dry weight of plant (biomass 1.64 g) and bacoside A levels (6.82 mg/plant) were recorded in accession BM1. Harvestable biomass was highest during summer in accessions BM1 and BM7 (FW 4.2 g/plant), whereas bacoside A levels were also highest during summer and in accession BM1 (6.82 mg/plant). The lowest bacoside A level (0.06 mg/plant) was recorded in accession BM14 during winter. Principal component analysis showed that samples of summer were positively correlated with both the components suggesting an appropriate time for the harvest.
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