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02/11/2010
Adam Walton visits Glyndwr University in Wrexham to find out about hydrocolloids. These naturally occuring substances are used widely in the food and medical industries.
Last on
Sat 6 Nov 201008:00
BBC Radio Wales FM

Adam Walton visits Glyndwr University in Wrexham to find out about hydrocolloids. These naturally occuring substances are used widely in the food and medical industries.