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Seasonal variations in harvest index and bacoside A contents amongst accessions of Bacopa monnieri (L.) Wettst. collected from wild populations

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Abstract

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°19′36.12″N and 76°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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Acknowledgments

Authors are thankful to University Grant Commission (UGC), Govt. of India, New Delhi for the financial assistance. Thanks are also due to TIFAC-CORE, Thapar University Patiala for the facilities to carry out this work.

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Authors and Affiliations

  1. Department of Biotechnology, TIFAC-Center of Relevance and Excellence in Agro and Industrial Biotechnology (CORE), Thapar University, Patiala, 147004, India

    Mahima Bansal, M. Sudhakara Reddy & Anil Kumar

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  1. Mahima Bansal
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  2. M. Sudhakara Reddy
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  3. Anil Kumar
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Correspondence to Anil Kumar.

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Bansal, M., Reddy, M.S. & Kumar, A. Seasonal variations in harvest index and bacoside A contents amongst accessions of Bacopa monnieri (L.) Wettst. collected from wild populations. Physiol Mol Biol Plants 22, 407–413 (2016). https://doi.org/10.1007/s12298-016-0366-y

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  • DOI: https://doi.org/10.1007/s12298-016-0366-y

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