Resveratrol-Coated Beverage Containers for Oxidation and Taint Control
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Solution Overview
Problem
Current packaging solutions for beverages, particularly wine, face challenges in maintaining product integrity and shelf life due to interactions between the beverage and packaging materials, leading to flavor degradation, oxidation, and spoilage, especially in aluminum containers which are prone to taint and have limited recyclability.
Innovation Solution
A container with an inner coating layer comprising resveratrol, applied in concentrations ranging from 0.0001 to 30 weight % on the inner surface, providing a protective barrier that enhances the natural defense mechanisms of the beverage against oxidation and yeast growth, thereby extending shelf life and maintaining product integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If traditional lacquers are used to coat the inside of aluminum containers, then the containers can hold beverages for short periods (3-6 months), but the product integrity deteriorates due to flavor degradation, oxidation, and can taint
Solution Approach 1:
The patent changes the chemical composition parameters of the coating layer by incorporating resveratrol at concentrations of 0.001-10% by weight, transforming the coating from a simple barrier to an active protective system that maintains product integrity over extended periods
Solution Approach 2:
The patent creates a composite coating material combining resveratrol with polymer matrices (epoxy, polyester, polypropylene, or polyvinylidene chloride), achieving synergistic effects where the polymer provides structural integrity and resveratrol provides antioxidant and antimicrobial protection
2Reliability
If glass bottles are used for beverage storage, then product integrity is maintained, but the weight and carbon footprint increase
Solution Approach 1:
The resveratrol-containing coating acts as an intermediary barrier between the aluminum container and the beverage, preventing direct interaction that causes taint while maintaining the lightweight advantage of aluminum over glass
Solution Approach 2:
The patent enables aluminum containers to serve as sustainable, recyclable alternatives to glass, leveraging aluminum's recyclability while the coating ensures product integrity throughout the beverage's shelf life
3Weight of moving object
If aluminum containers are used without specialized coating, then weight is reduced and recyclability is enhanced, but the containers are prone to can taint and have limited shelf life
Solution Approach 1:
The resveratrol in the coating provides self-active protection by exerting antioxidant and antimicrobial effects, allowing the container system to protect itself without requiring external refrigeration or additional preservatives in the beverage
Solution Approach 2:
The patent transforms aluminum containers from prone-to-taint vessels into reliable, lightweight, and recyclable packaging by applying a cost-effective resveratrol-containing coating that prevents can taint and extends shelf life
4Reliability
If refrigerated transport is used to maintain wine integrity, then product quality is preserved, but energy consumption and carbon footprint increase
Solution Approach 1:
The resveratrol coating provides self-active protection through its antioxidant and antimicrobial properties, enabling the beverage to maintain integrity during transport and storage without requiring external refrigeration
Solution Approach 2:
The coating applies preliminary protective action by incorporating resveratrol before the beverage is packaged, creating a pre-established barrier against oxidation and microbial contamination that eliminates the need for subsequent refrigeration
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 resveratrol-coated container significantly extends the shelf life of beverages up to two years or more, prevents flavor and aroma degradation, and maintains the product's integrity by acting as a two-way barrier, reducing the need for refrigerated transport and enhancing recyclability while minimizing environmental impact.
Implementation Method 1
providing a protective barrier that enhances the natural defense mechanisms of the beverage against oxidation
Implementation Method 2
enhances the natural defense mechanisms of the beverage against oxidation and yeast growth
Implementation Method 3
maintains the product's integrity by acting as a two-way barrier
Data Source
AI summary
The present invention relates to a container for a beverage having an inner coating layer containing resveratrol, a process for preparing such a container, the use of said container for the storage of a beverage and the use of resveratrol as an additive to coating layers of such containers.