Saponin accumulation in cell suspension culture of Ehretia asperula Zollinger et Moritzi

Le Thi, Tam Hong and TRAN, VAN MINH (2019) Saponin accumulation in cell suspension culture of Ehretia asperula Zollinger et Moritzi. In: 8th International Conference on Advances in Civil, Structural and Environmental Engineering - ACSEE, 12 -13 January 2019, Kuala Lumpur, Malaysia.

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This study was intended to investigate the saponin accumulation in the cell suspension culture of Ehretia asperula Zolliger et Moritzi. Soft, friable callus was initiated and grew well in MS medium supplemented with coconut water 10%,sucrose 30g/L, BA (6-benzylaminopurine) 0.1mg/L and 2,4-D(2,4-Dichlorophenoxyacetic acid) 2-2.5mg/L, with callusinduction rate 93.52% and 92.59%; callus diameter 18.33 and17.00mm; and growth index 3.44 and 3.38, respectively, after 24 days of culture. The callus cultured in MS (Murashige &Skoog) medium added with BA 0.1mg/L and 2,4D 2.0mg/Lwere chosen to initiate the cell culture. The cell culturingexperiments studied the effect of the agitating speed, the initialcell to medium ratio, and the addition of elicitor (methyljasmonate)/precursor (phenylalanine) on the cell proliferationand the saponin accumulation. The cell suspension proliferatedbest at 140 rpm of agitation (growth index 7.81) and 40% of theinitial cell to medium ratio (growth index 7.96). The highest saponin content (71.1μg/g) was detected with the use of methyl jasmonate (10mg/L) in the culture medium.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Ehretia asperula Zolliger et Moritzi, callus, cell suspension, saponin, 2,4-D
Depositing User: Mr. John Steve
Date Deposited: 06 Mar 2019 07:34
Last Modified: 06 Mar 2019 09:16

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