Spearmint KI-MsEM0110 Clonal Line for High Rosmarinic Acid
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Solution Overview
Problem
Current spearmint varieties, such as M. spicata, lack significant genetic improvement for rosmarinic acid production, with reported levels ranging from 7.1 to 14.3 mg/g dry weight, limiting their potential as an economically viable source for antioxidants in food and personal care products.
Innovation Solution
Development of a spearmint clonal line, KI-MsEM0110, which exhibits elevated rosmarinic acid levels exceeding 8% dry weight, combined with excellent vigor and agronomic robustness, allowing for efficient cultivation and high biomass production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conventional spearmint varieties are used for cultivation, then ease of cultivation and agronomic management are maintained, but rosmarinic acid production levels remain low (7.1-14.3 mg/g dry weight)
Solution Approach 1:
The patent applies parameter changes by selecting and propagating spearmint plants with specifically elevated rosmarinic acid content as a defining characteristic. The clonal line KI-MsEM0110 was selected for having rosmarinic acid levels exceeding 8% dry weight, representing a significant increase from conventional varieties. This parameter-based selection and clonal propagation approach enables high rosmarinic acid production while maintaining the ease of cultivation associated with conventional spearmint varieties.
2Quantity of substance
If spearmint varieties with elevated rosmarinic acid are developed, then antioxidant production is improved, but stability under varying environmental conditions may be compromised
Solution Approach 1:
The patent applies preliminary action through extensive field trials conducted across multiple locations and years (2009-2011) in Iowa, Minnesota, and Wisconsin. The clonal line KI-MsEM0110 was evaluated under varying environmental conditions including different soils, climates, and management practices. This preliminary testing demonstrated that the variety maintains stable rosmarinic acid content exceeding 8% dry weight across diverse environments, confirming its environmental stability before commercial release.
3Stability of the object's composition
If clonal propagation is used to maintain uniformity and stability of rosmarinic acid content, then genetic consistency is improved, but propagation time and complexity increase
Solution Approach 1:
The patent applies copying through asexual clonal propagation of the selected spearmint plant KI-MsEM0110. True-to-type clones are produced by propagating cuttings from the selected plant, ensuring each clone is an exact genetic copy with identical rosmarinic acid content exceeding 8% dry weight. This copying approach maintains genetic consistency and uniformity across the entire population, ensuring stable antioxidant production while allowing for efficient multiplication of the high-performing genotype.
Data Source
AI summary
A new and distinct cultivar of Mentha spicata L. named KI-MsEM0110 and characterized by elevated levels of rosmarinic acid and vigorous growth.