Ashwagandha Leaf Water Extraction with Cyclodextrin
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Solution Overview
Problem
The water extract of ashwagandha leaves contains low levels of withanone and withaferin A, which are key anticancer components, making it less effective as a cancer treatment, and existing methods for enhancing these components are not economically viable or simple.
Innovation Solution
The use of cyclodextrin, specifically α-cyclodextrin, β-cyclodextrin, or γ-cyclodextrin, during the extraction process increases the levels of withanone and withaferin A in the water extract, and combining these extracts with cyclodextrin forms a pharmaceutical composition that enhances anticancer activity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a water extract of ashwagandha leaves is prepared using conventional methods, then the extraction process is simple and economical, but the contents of withanone and withaferin A are low
Solution Approach 1:
Cyclodextrin is used as an intermediary substance during the extraction process to enhance the solubility and extraction efficiency of withanone and withaferin A from ashwagandha leaves. The cyclodextrin forms inclusion complexes with these compounds, allowing for higher extraction yields without complicating the overall extraction methodology
Solution Approach 2:
The extraction parameters are optimized by adjusting the concentration of cyclodextrin (0.1-10% w/v), extraction temperature (20-80°C), and extraction time (1-24 hours) to maximize the contents of withanone and withaferin A in the water extract
2Reliability
If alcohol extract is used to increase withanone and withaferin A contents, then the anticancer activity is enhanced, but the cost and complexity of treatment increase
Solution Approach 1:
The invention uses inexpensive water as the extraction solvent instead of expensive alcohol, making the treatment more affordable and accessible. The water extract, when combined with cyclodextrin, achieves comparable or enhanced anticancer activity at a lower cost, making it suitable for widespread use in developing countries
Solution Approach 2:
The invention changes the solvent parameter from alcohol to water, and optimizes other parameters such as cyclodextrin concentration and extraction conditions to achieve high anticancer activity with a cost-effective water-based extraction method
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The method effectively increases the levels of withanone and withaferin A in the water extract, resulting in a more potent anticancer composition that can be used to treat or prevent cancer, offering a cost-effective and simple solution for cancer therapy, particularly in developing countries.
Implementation Method 1
the amounts of withanone and withaferin A contained as active ingredients in a water extract of ashwagandha leaves can be increased with the use of cyclodextrin
Data Source
AI summary
It is an object of the present invention to provide a method for preparing a water extract of ashwagandha, which comprises increasing the amounts of withanone and withaferin A contained as active ingredients in the water extract of ashwagandha leaves. In addition, it is another object of the present invention to more economically and simply provide a pharmaceutical composition comprising ashwagandha leaves.The present invention relates to a method for preparing a water extract of ashwagandha leaves, which comprises extracting ashwagandha leaves with water in the presence of cyclodextrin, and a method for enhancing the anticancer activity of the water extract of ashwagandha leaves. The present invention also relates to a pharmaceutical composition for treating or preventing cancer, comprising the water extract of ashwagandha leaves. The present invention further relates to a pharmaceutical composition comprising dry powders of ashwagandha leaves and cyclodextrin.