21. Dehydrogenation also converts saturated fats to unsaturated fats . 22. "It's unsaturated fat . 23. The unsaturated fat is lowers the melting temperature to make vegetable oil a liquid ). 24. Replacing saturated fats with unsaturated fats helps to lower levels of total cholesterol and plaque formation. 25. :: Note that peanuts have fairly large amounts of unsaturated fat relative to saturated fat. 26. Eating unsaturated fats is preferable to loading up on carbohydrates as a dietary strategy, he said. 27. Therefore, the " missing fat grams " may be trans fats plus unsaturated fats . 28. The most common molecules attacked by oxidation are unsaturated fats ; oxidation causes them to turn fermenting. 29. Thus, various unsaturated fat vegetable oils, such as olive oils, also contain saturated fat. 30. Positive effects of unsaturated fats have been asserted on theoretical grounds and observed in animal feeding studies.