Final answer:
Plant stanols are known to reduce serum cholesterol and therefore provide therapeutic benefits against heart diseases when consumed twice daily.
Step-by-step explanation:
The compound that provides therapeutic effects against heart diseases when consumed twice daily is plant stanols. Plant stanols are known to help in reducing serum total cholesterol, which is beneficial for heart health. Dietary fiber and plant polyphenols, which can be found in fibrous foods like fruits, vegetables, and whole grains, are also associated with better coronary health.
It is even stated that the metabolism of plant fibers by gut microflora can prevent or positively impact lipid metabolism and vascular dysfunction, both of which are associated with coronary heart disease (CHD) and type II diabetes. Essential fatty acids found in vegetables that contain phytosterols play a role as well, preventing atherogenic disorders by contributing to lipid metabolism. Therefore, plant stanols, being similar to phytosterols, are considered helpful in managing cholesterol levels and mitigating heart disease risks.