The products were firstly grinded by using a laboratory blender, in particular, three iterative cycles of pulsed blending at decreasing speed were applied in order to minimize the sample heating (pulses: 5sON/5sOFF + 5sON/5sOFF, speed 16,000 rpm I cycle, 14,000 rpm II cycle, 13,000 rpm III cycle). The obtained flour was sieved through a 2 mm mesh and then stored at −20°C until its use. The procedure was equally applied to all snack samples. Independent blades and containers were used for each sample to avoid cross‐contamination.
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