Groundnut oil, also known as peanut oil, is primarily composed of monounsaturated fatty acids, particularly oleic acid. Sunflower oil, on the other hand, contains a higher proportion of polyunsaturated fatty acids, such as linoleic acid.
Sunflower oil is a rich source of omega-6 fatty acids, especially linoleic acid, which is considered essential for the body. Groundnut oil contains a moderate amount of omega-6 fatty acids but is relatively low in omega-3 fatty acids.
Sunflower oil is known for its high vitamin E content, specifically alpha-tocopherol, which acts as a potent antioxidant in the body. Groundnut oil, while still containing vitamin E, generally has a lower concentration compared to sunflower oil.
Due to its vitamin E content and other natural antioxidants, sunflower oil exhibits strong antioxidant properties that help protect the body against oxidative stress and free radicals. Groundnut oil also possesses some antioxidant capacity.
Groundnut oil has a higher smoke point than sunflower oil, making it more suitable for high-temperature cooking methods like deep frying. Sunflower oil has a lower smoke point and is better suited for sautéing, stir-frying, and light frying.
Groundnut oil has a distinct nutty flavor that adds depth to dishes, making it a popular choice for stir-fries, curries, and Asian cuisine. Sunflower oil has a milder, neutral taste that doesn't overpower the natural flavors of the ingredient.
Groundnut oil has a darker hue, ranging from golden to amber, which imparts a rich color to the food. Sunflower oil, on the other hand, is typically light in color, appearing pale yellow. These are two different color which make them distinguishable.
Groundnut oil contains higher levels of phytosterols, which are plant compounds that have been associated with cholesterol-lowering effects. Sunflower oil contains lower amounts of phytosterols but is a good source of other nutrients.
Groundnut oil may pose a risk for individuals with peanut allergies, as it is derived from peanuts. Sunflower oil, on the contrary, is not a common allergen and is generally well-tolerated by most people.
Sunflower oil has a longer shelf life compared to groundnut oil due to its higher vitamin E content and overall stability. Groundnut oil, although still relatively stable, may have a shorter shelf life and is recommended to be stored in cool.