Pet Food Probiotic Coating for Post-Extrusion Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current extrusion processes for pet food are detrimental to the stability of probiotics due to harsh conditions, leading to rapid loss of probiotic activity, especially in cats and dogs with short digestive tracts.
Innovation Solution
The use of cold extrusion technology with a starch source having a degree of gelatinization less than 7.5 Joules/g and inclusion of live probiotic microorganisms such as Bifidobacterium and Lactobacillus species, combined with topical coating and controlled moisture, shear, and temperature during processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If hot extrusion process is used, then pet food can be manufactured efficiently, but probiotic stability deteriorates due to harsh processing conditions
Solution Approach 1:
The manufacturing process is divided into two separate stages: (1) extrusion of pet food without probiotics at high temperature, and (2) subsequent coating of probiotics onto the cooled extruded product. This segmentation allows the probiotics to avoid exposure to harsh thermal conditions while maintaining manufacturing efficiency for the base product.
Solution Approach 2:
The pet food base is prepared and cooled before probiotic addition. By performing the extrusion and cooling steps first, then adding probiotics in a separate preliminary coating step, the probiotics are protected from thermal degradation while the main product structure is already established.
2Stability of the object's composition
If probiotics are added to grain mix before extrusion, then probiotics are incorporated into the food matrix, but probiotic activity is lost rapidly due to exposure to harsh processing conditions
Solution Approach 1:
The probiotics are extracted from the pre-extrusion mixture and applied separately as a coating after extrusion. This removal of probiotics from the harsh thermal processing environment prevents their degradation while still achieving incorporation into the final pet food product through surface coating.
Solution Approach 2:
A coating mechanism serves as an intermediary between the extruded pet food and the probiotics. The coating process allows probiotics to be deposited onto the food surface without direct exposure to high temperatures, using the cooled extruded product as a substrate for gentle probiotic application.
3Reliability
If cold extrusion technology is used, then probiotic stability is improved, but manufacturing process complexity increases due to controlled moisture, shear, and temperature parameters
Solution Approach 1:
The probiotic coating step is extracted as a separate post-processing operation from the extrusion process. This allows the extrusion to use simplified parameters optimized for food structure, while the probiotic coating uses gentle conditions optimized for microbial survival, reducing overall process complexity despite the additional step.
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
Improves the survival and stability of probiotics in pet food, maintaining gastrointestinal health, skin and coat health, and immune system regulation in companion animals.
Implementation Method 1
the starch source preferably has a degree of gelatinization less than about 7.5 Joules/g of starch
Data Source
AI summary
The present invention encompasses pet food compositions that include one or more probiotic microorganisms, which are useful to improve the health of companion animals. For example, the invention encompasses pet food compositions including a probiotic, for example, Lactobacillus, Bifidobacterium and Streptococcus (Enterococcus). The present invention also encompasses the preparation of pet food compositions including one or more probiotic microorganisms intended for methods of maintaining or improving pet health through feeding a pet a pet food composition including the probiotic microorganism.