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Cause of Potato Scab. The cause of common potato scab is a bacterium, Streptomyces Scabies, found in the soil. It is most common on light, sandy soils, low in organic matter. Soils that were previously grassland are particularly liable to having the disease. Soils with a high pH (recently limed) provide a better environment for the bacteria.
One of the most hazardous ingredients in potato chips is not intentionally added, but rather is a byproduct of the processing. Acrylamide, a cancer-causing and potentially neurotoxic chemical, is created when carbohydrate-rich foods are cooked at high temperatures, whether baked, fried, roasted or toasted.o if theyâre not made of potatoes, what are they exactly? The process begins with a slurry of rice, wheat, corn, and potato flakes that are pressed into shape. This dough-like substance is then rolled out into an ultra-thin sheet cut into chip-cookies by a machine.