Starch based biofilms

Hello everyone, I am producing starch based biofilms, from wheat, corn and tapioca starch.
I am facing difficulties with tapioca starch and wheat starch the biofilm are too sticky?
Do you have any suggestion?

Thank you!

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Hello Diana,

At which temperature you ae using tapioca starch because above 60 degree gelatinization will take place and it will become sticky.