Proanthocyanidin Bee Feed Composition for Pollen-Free Nutrition
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Solution Overview
Problem
Commercially available bee feeds do not contain biologically significant concentrations of proanthocyanidins, which are known to be toxic to insects but have health-promoting effects in humans, and existing extraction methods fail to provide nutritionally effective amounts for bees, leading to limitations in bee colony health, reproduction, and survival.
Innovation Solution
A pollen-free diet enriched with proanthocyanidins in polymeric or oligomeric forms, administered at nutritionally effective amounts, is provided to honey bees through a composition comprising proteins, fatty acids, carbohydrates, vitamins, and minerals, sourced from non-pollen plant or synthetic origins, in both solid and liquid forms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If proanthocyanidins are extracted using water-based methods, then the extraction process is simple and safe, but proanthocyanidins are not present in nutritionally effective amounts because they are water-insoluble
Solution Approach 1:
The patent changes the extraction parameter from water-based to ethanol-based solvent system. Ethanol effectively extracts proanthocyanidins while maintaining safety for bee consumption, achieving both high concentration extraction and ease of manufacture
Solution Approach 2:
The patent uses food-grade ethanol as a disposable extraction solvent that can be easily removed through evaporation, leaving concentrated proanthocyanidin extract suitable for bee feed without requiring complex purification steps
2Productivity
If proanthocyanidins are added to bee feed, then bee brood production and worker survival improve, but the feed composition becomes more complex
Solution Approach 1:
The patent extracts proanthocyanidins as a separate concentrated component from plant materials, then incorporates this extract into bee feed at controlled levels (0.1-5% of total diet), simplifying the overall feed formulation while maintaining health benefits
Solution Approach 2:
The patent creates a composite bee feed composition combining proanthocyanidin extract with other essential nutrients (proteins, carbohydrates, lipids, vitamins, minerals) in specific ratios, achieving balanced nutrition enhanced with proanthocyanidins without excessive complexity
3Reliability
If proanthocyanidins are sourced from natural plant tissues, then the feed is natural and safe for bees, but the concentration of proanthocyanidins is insufficient for nutritional effectiveness
Solution Approach 1:
The patent performs preliminary extraction of proanthocyanidins from plant materials before feeding to bees, concentrating the active compounds in advance. This ensures bees receive nutritionally effective doses without exposing them to other potentially harmful plant constituents
Solution Approach 2:
The patent uses ethanol as an intermediary extraction medium that selectively binds proanthocyanidins from plant tissue. The ethanol-proanthocyanidin complex is then processed into a safe, concentrated feed supplement that delivers effective doses to bees
Data Source
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Figure 3
AI summary
Provided are methods for feeding invertebrates comprising: providing a non-pollen composition comprising a nutritionally effective amount of proanthocyanidins; and administering the non-pollen composition to invertebrates.