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Optimizing Food Texture And Rheology - New Technologies To Improve Product Texture And Rheology

Published by: Food Technology Intelligence

Published: Aug. 1, 2007 - 107 Pages


Table of Contents


1 Introduction

Texture and Rheology Impact the Product

Instrumental Techniques

Texture's Role

Structural Components

Molecular Structure

Triggering Taste Buds

A Function of Moisture, Glass Transition

2 Dairy

Dairy Product Texture

Interparticle Interactions, Gelation

Nonfat Dry Milk

Analyze Texturization

Wheat Proteins

Frozen Storage of Monterey Jack Cheese

New Textured Soy Protein Product

Refrigeration and Freezing Impact Butter

3 Doughs and Starches

Strong Doughs

Fungal Amylases

Computer Modeling

Starch-Lipid Composites

Tapioca Starch

4 Cereals and Breads

Extrusion Processing

Textural Changes

Predict Breadmaking Performance

Enzymatically Modify Gluten

Novel Microbial Hemicellulase

Starch Gelatinization

Snack Bars Using Flaked Lentils

Bread Shelf Life and Texture

5 Meats

Hydraulic Pressure

Predict Meat Quality

Reduced-Fat Burger Acceptability

Meat Extender

Functionality of Meat Proteins

Lactic Acid

Cooked Beef

6 Fiber

Add Fiber Without Changing

Texture

Boost Dietary Fiber Without

Impacting Texture

Fiber as a Nutritional Supplement

7 Fruits and Vegetables

Vacuum Infusion

Structure, Functional Properties of Produce

Pawpaw Offers Appealing Texture

Cell Wall Toughness

Flow Properties

Calcium Salts

Acidification of Vegetable Slurries

Infrared Dry Blanching

8 Polymers, Stabilizers, Gelling Agents

Biopolymers

Fat Mimetics

Oxidized Polysaccharide Derivatives

Exopolysaccharides

Patented Stabilizer

Protein Aggregation

9 Addition Developments in Texture Science

High-temperature Storage of Chocolate

Potato Chip Texture

10 Patents

11 Bibliography

Abstract

How important are crispness, crunchiness or spreadability to your products? Such characteristics and properties play an important role in attracting consumers to your product, getting them to try it again and making it a winner. The sooner we realize the roles that texture, rheology and mouthfeel play in making a food appealing to consumers, the sooner we’ll create more appealing products.

We use texture as an important criteria when determining a product’s quality—whether it’s fresh or not. When a food produces a hard, soft, crisp or moist feeling in the mouth, we find a basis for measuring its quality. Although organoleptic properties may be significant, they may be one of the least understood properties—often neglected by product developers.

When creating a new food product or redesigning an existing one, researchers need to pay close attention to textural as well as rheological properties. With this in mind Food Technology Intelligence, Inc., publisher of the international newsletter, Emerging Food R&D Report, has just revised its report analyzing technical advances aimed at improving food product texture and rheology. This report, Optimizing Food Texture and Rheology, gives you a first-hand look at new techniques and processes that will help you improve the mouthfeel and other characteristics of your products. For example, in its pages you’ll learn that:
  • You can control lipid crystallization during texturization of dairy spreads
  • Starch-lipid composites improve texture and flavor
  • Hydraulic pressure rapidly tenderizes meat
The processes discussed in the report are under development and have commercial potential. In some cases, researchers have completed development and are looking to license their technology or collaborate in other ways to commercialize a product or technique. Or companies may be looking for partners to help expand applications and markets.

The Challenge

Consumers are demanding more appealing products that taste great, function correctly and look appetizing. They have sent a strong message that they aren’t willing to trade off any of their most desired food attributes. Moreover, they are expecting more from their favorite brands. With the myriad of new product introductions each year—many of which are not successful—often it is the more appealing products that overcome marketplace hurdles.

For these reasons, product developers must consider the impact that organoleptic attributes have on consumer acceptance. This may not be easy. Texture is a composite property related to other physical properties—viscosity and elasticity. Describing texture or mouthfeel in a single value obtained from an instrument or sensory panel is quite difficult. Mouthfeel is difficult to define because it involves a product’s physical and chemical interaction in the mouth from initial perception on the palate, to first bite, through mastication to swallowing.

This new report from Food Technology Intelligence will give product developers insight into techniques that improve a product’s texture, rheology and mouthfeel.

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