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CIRCA 1930s - A scientist compares the leavening abilities of dough when sugar and malt syrup are added to those with sufficient diastase and insufficient diastase.


By Rick Ray

  • Stock footage ID: 14003201
Clip length: 00:40FPS: 29.97Aspect ratio: 3:2
SD$65720 × 480MOV27.9 MB
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