A hydrogenated fat is undesirable because it can produce trans fats.
Here's why:
1. When oils are hydrogenated, a process that involves adding hydrogen to liquid oils to turn them into solids, trans fats are formed. Trans fats are considered unhealthy as they can raise bad cholesterol levels (LDL) and lower good cholesterol levels (HDL), increasing the risk of heart disease.
2. Consuming trans fats has been linked to various health issues such as heart disease, stroke, and diabetes.
3. Food labels often list trans fats under "partially hydrogenated oils," so it's important to check labels and try to limit consumption of foods containing these fats for better health.
In summary, hydrogenated fats are undesirable because they can lead to the production of trans fats, which have negative effects on health, especially in relation to heart health.