Fats, Oils, Lipids
Fats, Oils, Lipids
Understanding Fats, Oils and Lipids
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Fats, oils, and lipids are integral parts of our diet, though often misunderstood. They serve significant roles within the human body, including energy production, temperature regulation and support for cell growth.
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Fats are concentrated sources of energy, providing more than double the energy (9 kcal/g) compared to carbohydrates and proteins (4 Kcal/g).
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Fats can be divided into saturated fats and unsaturated fats. Both have different physical properties and different effects on human health.
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Saturated fats are solid at room temperature, found in foods such as meat, dairy products and coconut oil. Overconsumption of saturated fats may increase the level of bad cholesterol (LDL), increasing the risk of heart disease.
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Unsaturated fats can be further classified into monounsaturated fats and polyunsaturated fats. They are typically liquid at room temperature and considered beneficial for heart health. Foods rich in these fats include avocados, olive oil, nuts and fish.
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Trans fats, while naturally present in some foods, are largely coming from industrially produced foods (like some margarines and baked goods). They raise LDL cholesterol and lower good cholesterol (HDL), increasing the risk of heart disease more than any other fats.
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Oils commonly refer to fats that remain liquid at room temperature, such as vegetable, nut, and seed oils.
Vital Functions of Fats in the Body
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Fats play a vital role in maintaining healthy skin and hair, insulating body organs against shock, maintaining body temperature, and promoting healthy cell function.
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They are also needed for the absorption of fat-soluble vitamins such as A, D, E, K, and help regulate hormones.
The Role of Lipids
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Lipids are organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents.
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They play a vital role in cell structure, energy storage, and function, making them an indispensable part of a balanced diet.
Remember, moderation and balance are keys when it comes to a healthy diet that includes fats, oils, and lipids.