Polymeric blends of hydrocolloid from chia seeds/apple pectin with potential antioxidant for food packaging applications.

•Additives used directly impact mechanical and thermal properties of films.•All formulation of blend films had a high antioxidant activity by DPPH method.•Potential uses as packaging for food products.•Compatible and miscible blends.•The best formulations was (36:24:22:18) due to mechanical, antioxidant properties.