Abstract
Curcuma amada Roxb. belongs to the monocotyledonous family Zingiberaceae. It is commonly known as mango ginger and used as a spice and valuable medicine. In this study, adventitious roots of C. amada have been successfully established from cell suspension culture. The highest percentage of adventitious root production was obtained from friable callus derived cell suspension culture. The culture conditions of adventitious root were optimized and the maximum adventitious root production was obtained in half strength MS liquid medium containing 0.3 mg L−1 IBA along with 3% of sucrose after 5 weeks of culture. Among the different initial inoculum density, the best culture condition for root growth occurred at 10 g FW of initial inoculum density. GC-MS analysis revealed that the in vitro raised adventitious roots containing two valuable bioactive compounds, isosorbide and n-hexadecanoic acid. The outcome of the present work will be helpful for the large scale cultivation of adventitious roots for the production of valuable bioactive compounds.
Highlights
Curcuma amada Roxb. belongs to the family of Zingiberaceae which is a unique perennial rhizomatous herb and morphologically resembles ginger and has a flavour of raw mango (Mangifera indica)
Data was recorded from 5-week-old adventitious root cultures
All experiments were carried out three times with at least 15 cultures. ∗Data represented mean ± SE, mean within a column followed by same letter is not significantly different according to Duncan’s multiple range (DMRT) test, P < 0.05
Summary
Curcuma amada Roxb. (mango ginger) belongs to the family of Zingiberaceae which is a unique perennial rhizomatous herb and morphologically resembles ginger and has a flavour of raw mango (Mangifera indica). The C. amada has been reported with high amylase activity that converts starch into simple metabolisable sugars and, in turn, into several valuable aromatic compounds [10]. Due to this metabolic advantage, curcumin-free portion is effective in lowering liver cholesterol in animals [11]. Three terpenoid bioactive compounds (difurocumenonol, amadannulen, and amadaldehyde) were isolated from their rhizomes. They exhibit potential actions such as antimicrobial, antioxidant, platelet aggregation inhibitor activities, and anticancer property [12]. It contains antitubercular agent like labdane diterpenoid [13]
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