21. In surfactant, two subcategories of lipids are relevant : phospholipids and sterols . 22. Some known inhibitors of AO are sterol and phenol compounds, like estradiol. 23. Important sterols in humans include cholesterol and steroid hormones. 24. By comparison, every 100 grams of Benecol contains nine grams of plant sterols . 25. By comparison, every 100 grams of Benecol contains 9 grams of plant sterols . 26. Raisio gives it to them by inserting compounds called sterols into fats in food. 27. Nurse bees have the ability to selectively transfer sterols to larvae through brood food. 28. The effects of higher serum plant sterol levels are so far not completely understood. 29. It contains multiple sterol reductase motifs, as would be expected given its function. 30. For example, the sterol reductase motifs are common sites of mutation . ).
