Infusible Fruit Piece Coating with Peel Particles

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Solution Overview

Problem

Dried fruit pieces tend to aggregate and become sticky, causing handling and manufacturing challenges in the production of infusible beverage products, and existing solutions like microcrystalline cellulose are undesirable to consumers.

Innovation Solution

Coating dried fruit pieces with fruit peel particles less than 1.5 mm in diameter, particularly citrus peel, to reduce stickiness and prevent aggregation during handling and storage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If dried fruit pieces are used in infusible beverage products, then the product has appealing taste and aroma, but the fruit pieces aggregate and become sticky during handling and storage

Engineering Contradiction:
Improvehandling propertiesVSAvoidstickiness and aggregation
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

A coating material is applied as an intermediary layer between the dried fruit pieces and the environment. This coating prevents direct contact between fruit pieces, reducing aggregation and stickiness while maintaining the natural appearance and taste of the fruit pieces themselves

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The surface properties of the dried fruit pieces are modified by changing their physical state through coating application. The coating alters the surface energy and moisture absorption characteristics, transforming the sticky surface into a non-sticky coated surface that resists aggregation

Inventive Principle:
Principle #35Parameter changes

2Reliability

If microcrystalline cellulose is used to reduce stickiness, then the handling properties improve, but consumers perceive the additive as undesirable

Engineering Contradiction:
Improvehandling propertiesVSAvoidconsumer acceptance
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The coating material is derived from fruit peel itself, allowing the fruit piece to essentially coat itself or be coated with a material that is already part of the natural fruit structure. This self-service approach eliminates the need for external additives that consumers would perceive as unnatural

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

Fruit peel, which would otherwise be discarded as waste during fruit processing, is recovered and utilized as the coating material. This transforms a waste product into a functional ingredient that solves the stickiness problem while maintaining consumer acceptance due to its natural origin

Inventive Principle:
Principle #34Discarding and recovering

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 use of fruit peel particles effectively reduces the stickiness and aggregation of dried fruit pieces, improving handling properties and maintaining a natural appearance, while being sustainable and consumer-acceptable.

Implementation Method 1

coating fruit pieces with coating particles to provide coated fruit pieces

Methodology Applied
Scientific EffectAdsorption: Adsorption

Implementation Method 2

drying the coated fruit pieces to a moisture content of less than 30 wt %

Methodology Applied
Scientific EffectEvaporation: Evaporation

Data Source

PatentEP2747580B1Process for the manufacture of an infusible beverage ingredient
Publication Date: 2015.06.17 UNILEVER PLC

AI summary

The present invention relates to a process for the manufacture of an infusible beverage ingredient comprising dried fruit pieces, the process comprising the steps of: (a) providing fruit pieces and coating particles; (b) mixing the fruit pieces and the coating particles to provide coated fruit pieces; and then (c) drying the coated fruit pieces to a moisture content of less than 30 wt %, preferably to a moisture content of 0.1 to 10 wt % wherein the coating particles comprise particles of fruit peel which are less than 1.5 mm in diameter.