Micropellets for Nutrient Integration in Extruded Snacks
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Solution Overview
Problem
The incorporation of heat-labile ingredients such as amino acids, proteins, flavors, spices, vitamins, and minerals into snack food products is challenging due to their degradation at high temperatures and pressures used in snack food production, particularly in random extruders which can only handle cornmeal effectively, limiting the variety of ingredients and nutritional content of products like corn collets.
Innovation Solution
The development of micropellets, which are agglomerated fine particles that can be used in random extruders, allowing for the inclusion of diverse nutritional components like proteins, vitamins, and minerals by mimicking the granular characteristics of cornmeal, thereby overcoming the limitations of traditional extrusion processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If heat-labile ingredients (amino acids, proteins, vitamins, minerals) are incorporated into snack food products using traditional extrusion processes, then nutritional content is improved, but the ingredients degrade at high temperatures and pressures causing loss of functionality
Solution Approach 1:
The patent applies preliminary action by pre-coating heat-labile ingredients onto expandable cereal grains before extrusion. This protective coating is applied in advance to shield the sensitive nutrients from subsequent high-temperature and high-pressure conditions during the extrusion process, preventing degradation while maintaining nutritional content
Solution Approach 2:
The expandable cereal grain acts as an intermediary carrier between the heat-labile ingredients and the extrusion process. The grain structure provides a protective matrix that allows incorporation of sensitive nutrients without direct exposure to degrading conditions, enabling both nutritional enhancement and functional preservation
2Adaptability or versatility
If fine particle ingredients are incorporated into snack food products, then nutritional diversity is improved, but the ingredients cause blockage in random extruders designed for granular materials
Solution Approach 1:
Expandable cereal grains serve as an intermediary carrier that bridges the incompatibility between fine particle ingredients and random extruder requirements. The grains provide a granular matrix structure that enables smooth flow through the extruder while carrying and distributing the fine particle nutrients uniformly throughout the product
Solution Approach 2:
The patent changes the physical state and size parameters of ingredients by using expandable grains as carriers. This transformation allows fine particles to be incorporated in a form that is compatible with random extrusion machinery, converting a processability problem into a solved configuration
3Productivity
If traditional cornmeal formulations are used in random extruders, then continuous production is maintained, but ingredient variety and nutritional properties are limited
Solution Approach 1:
The expandable cereal grain formulation provides multi-functionality by serving both as the continuous production matrix and as a versatile carrier for diverse ingredients. This universal base system maintains manufacturing continuity while enabling incorporation of various proteins, vitamins, minerals, and flavors that would otherwise be incompatible with random extrusion
Data Source
AI summary
Nutritious granular materials of fine particle sizes agglomerated within versatile micropellets are useful for inserting significant amounts of nutritious properties into snack foods. Expandable micropellet-containing formulations provide for introduction of fine particle ingredients such as proteins, minerals and other components or desirable nutrients into food processing lines not typically amenable to the fine particle sizes. Micropellet-containing formulations may consist entirely of micropellets, or may contain an expandable starch such as, for example, corn meal, sheeted doughs, and expanded collet products onto which the micropellets may be basted.