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October 20, 2019

Extrusion brings versatility to food industry

by Keith Graham, Baker Perkins Business Development Manager, UK

It is scarcely surprising that the range of grain-based food products produced using the extrusion process continues to grow steadily. Extrusion is perhaps the most versatile process available to the food industry. It is capable of producing a wide range of end products from a variety of different ingredients and rapidly switching between them. It can replicate products made using other, less flexible, methods and the breadth of process options offers product developers plenty of scope for innovation.

Food with enhanced nutritional properties is a significant current growth area as diet awareness grows. High-quality snacks and ready-to-eat cereals form an ideal base for functional nutrition, and extrusion can be utilised to penetrate this expanding market for foods high in protein and fibre.
 


Snacks and cereals are a convenient and palatable carrier for these beneficial products, and development work by Baker Perkins shows that any existing extruded or co-extruded product recipe can be easily augmented.

The protein market, for example, is moving rapidly beyond body building into the mainstream to meet a variety of needs, including balancing diet, satiety and weight loss. Any existing extruded or co-extruded product recipe can be easily augmented by changing the product formulation.

Proteins from wheat, dairy, soy or nuts as well as fibre can be introduced to any extruded grain-based snack in powder form; soluble fibres can be added to co-extruded products. Whole grain or multi-grain formats could also be chosen to make a positive contribution to the nutritional profile, and strengthen the ‘feel good’ factor. Cereal flakes can be fortified with vitamins, protein and fibre.

Gluten-free is another category seeing rapid growth. Again, extrusion can help manufacturers respond to demand by using flours from gluten-free grains such as maize, rice, quinoa or buckwheat and also, incidentally, provide grain-free products by using vegetables and legumes. As with protein and fibre, the adaptable extrusion process can easily accommodate gluten-free recipes.
Wholegrain products have been growing for some time. They retain, after processing, all three parts of the original grain – the germ, bran and endosperm – in their original proportions. Multigrain products feature a combination of grains such as wheat, rye, corn, barley or rice; they offer the opportunity to develop new textures with a beneficial nutritional profile. 

Read more HERE.
 

The Global Miller
This blog is maintained by The Global Miller staff and is supported by the magazine Milling and Grain
which is published by Perendale Publishers Limited.


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