Curcumin Phospholipid Complexes for Bioavailability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Curcumin's low bioavailability due to extensive metabolism limits its effectiveness as a cancer chemopreventive agent, as plasma and tissue concentrations remain low despite high oral doses, making it impractical to increase dosages further.
Innovation Solution
Phospholipid complexes of curcumin are formed by dissolving curcumin in a protic solvent, such as ethanol, with phospholipids like soy phosphatidyl choline, under reflux and concentration, enhancing curcumin's bioavailability by forming complexes that increase systemic levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the oral dose of curcumin is increased to achieve higher plasma concentrations, then the bioavailability may be improved, but it becomes impractical and undesirable due to the already high doses investigated
Solution Approach 1:
Phospholipids serve as an intermediary substance that forms complexes with curcumin, facilitating its absorption and transport in the bloodstream. This mediator enables curcumin to achieve higher plasma concentrations without requiring impractically high oral doses, as the phospholipid complex protects curcumin from metabolism and enhances its bioavailability
Solution Approach 2:
The invention creates a composite material by combining curcumin with phospholipids in specific ratios (1:1 to 1:10 w/w). This composite curcumin-phospholipid complex exhibits improved pharmacokinetic properties compared to pure curcumin, allowing effective plasma concentrations to be achieved with practical oral dosing
2Reliability
If curcumin is administered orally to achieve cancer chemopreventive effects, then the therapeutic benefit may be obtained, but the extensive metabolism by conjugation and reduction pathways limits the plasma and tissue concentrations achieved
Solution Approach 1:
The phospholipid complex is formed before curcumin administration, creating a protective structure that prevents extensive metabolism by conjugation and reduction pathways. This preliminary complexation action ensures that curcumin reaches plasma and target tissues in its active form, maintaining both efficacy and adequate concentrations
Solution Approach 2:
The invention changes the physical-chemical parameters of curcumin by forming complexes with phospholipids. This complexation alters curcumin's solubility, stability, and resistance to metabolic degradation, enabling it to maintain higher concentrations in plasma and target tissues while retaining its chemopreventive activity
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 phospholipid complexes of curcumin achieve five-fold higher peak plasma levels and area under the plasma concentration time curve compared to uncomplexed curcumin, significantly improving bioavailability and potential chemopreventive efficacy.
Implementation Method 1
dissolving curcumin in a protic solvent, such as ethanol, with phospholipids like soy phosphatidyl choline
Implementation Method 2
phospholipid complexes of curcumin are formed by dissolving curcumin in a protic solvent
Implementation Method 3
under reflux and with stirring
Implementation Method 4
The resulting suspension is concentrated under reduced pressure to a residue
Data Source
AI summary
The present invention relates to novel phospholipids complexes of curcumin or extracts containing it having improved bioavailability.