Summary
Spearmint has one major monoterpene, (−)-carvone, that constitutes up to 90% of all the monoterpenes present. Likewise, the major phenylpropanoid—rosmarinic acid—in spearmint accounts for up to 70% of the phenylpropanoids produced from the plant. These two compounds are each produced by separate distinct biosynthetic pathways which provide an excellent opportunity to study the influence of a wide number of environmental and chemical conditions on secondary metabolism and plant growth. The techniques presented in this chapter employ 1 g of fresh weight material for each secondary metabolite analyses. Analysis of single compounds obtained from the two distinct metabolic pathways simplifies the interpretation of the metabolic results allowing for direct correlations of culture factors on secondary metabolism.
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Acknowledgments
The authors would like to thank A. Peterson for plant tissue culture techniques and R. K. Holloway, S. Tisserat and T. Tisserat for chemical analysis. Names are necessary to report factually on available data; however, the USDA neither guarantees nor warrants the standard of the product, and the use of the name by USDA implies no approval of the product to the exclusion of others that may also be suitable.
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Tisserat, B., Berhow, M., Vaughn, S. (2009). Spearmint Plantlet Culture System as a Means to Study Secondary Metabolism. In: Jain, S.M., Saxena, P.K. (eds) Protocols for In Vitro Cultures and Secondary Metabolite Analysis of Aromatic and Medicinal Plants. Methods in Molecular Biology, vol 547. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-60327-287-2_25
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DOI: https://doi.org/10.1007/978-1-60327-287-2_25
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