pH-Sensitive Feed Coating for Rumen-Protected Amino Acids
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Solution Overview
Problem
Existing amino acid feed additives for ruminants are prone to decomposition in the ruminant stomach due to digestive enzymes and microorganisms, leading to high costs and potential toxicity from petroleum-derived materials.
Innovation Solution
A pH-sensitive polymer composed of hydrophilic, hydrophobic, and fatty acids, with optional chain extenders, is used to create a coating that protects active ingredients like amino acids from decomposition in the ruminant stomach by maintaining solubility under acidic conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If amino acids are administered orally to ruminants, then they can be provided as feed additives, but they are destroyed in the forestomach by digestive enzymes and microorganisms
Solution Approach 1:
The coating composition utilizes pH-sensitive polymers that change their solubility parameters in response to pH changes. The polymer remains insoluble at neutral pH (protecting amino acids in forestomach) and becomes soluble at acidic pH (releasing amino acids in abomasum), thereby protecting the substance through parameter-based control
Solution Approach 2:
The invention employs composite coating materials consisting of pH-sensitive polymers combined with fatty acids and cellulose or its derivatives. This composite structure provides both protective functionality and controlled release characteristics, preventing decomposition while enabling targeted delivery
2Reliability
If existing coating materials and excipients are used to protect amino acids, then decomposition can be prevented, but the prices are high
Solution Approach 1:
The invention replaces expensive commercial coating materials with a cost-effective composition based on pH-sensitive polymers, fatty acids, and cellulose. These materials are more economical while providing equivalent protection functionality, reducing manufacturing costs without sacrificing reliability
Solution Approach 2:
By utilizing the pH-sensitive property of naturally available polymers and fatty acids, the invention achieves protective functionality through environmental response rather than expensive specialized materials, lowering manufacturing costs while maintaining decomposition protection
3Reliability
If petroleum-derived materials are used for coating, then protection can be achieved, but potential toxicity problems arise
Solution Approach 1:
The invention extracts and eliminates harmful petroleum-derived components from the coating system, replacing them with biocompatible materials such as pH-sensitive polymers, fatty acids, and cellulose. This removal of toxic substances maintains protective functionality while eliminating toxicity concerns
Solution Approach 2:
The coating system transitions from petroleum-based synthetic materials to biologically compatible materials that respond to pH parameters. This material substitution maintains protection reliability while removing harmful factors through fundamental composition changes
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 pH-sensitive polymer effectively shields active ingredients from neutral conditions in the rumen, ensuring they reach the fourth compartment for absorption, enhancing bioavailability and reducing costs by avoiding toxic materials.
Implementation Method 1
an amino acid polymer comprising a hydrophilic amino acid, a hydrophobic amino acid, a fatty acid, and optionally a chain extender at a predetermined molar ratio exhibits pH sensitivity that the amino acid polymer is not soluble at neutral pH but is selectively soluble in an acidic solution at about pH 2
Data Source
AI summary
The present disclosure relates to a pH-sensitive polymer with a hydrophilic amino acid, a hydrophobic amino acid, and a fatty acid, a coating composition, and a feed additive coated with the coating composition.