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==News About Grape Seed== | ==News About Grape Seed== | ||
'''Grape Seed Oil Vs. Canola Oil''' | |||
*Source:http://healthyeating.sfgate.com/grape-seed-oil-vs-canola-oil-4061.html | |||
:By Matthew Lee | |||
Canola and grape seed are both heart-healthy cooking oils. Their high concentrations of unsaturated fats help promote beneficial cholesterol levels. Both oils also contain high concentrations of essential omega fatty acids. However, the health benefits of canola oil exceed those of grape seed oil. With higher concentrations of vitamin E and omega-3 fatty acids and less saturated fat, canola oil is the superior of the two cooking oils. | |||
:Fat Content | |||
Canola and grape seed oils are made by pressing seeds and removing solid mash, with canola coming from the rapeseed plant. In their natural state, rapeseeds contain approximately 30 percent oil, while grape seeds contain 20 percent. The fats and fatty acids that make up these oils differ between the two plants. Grape seed oil is primarily composed of omega-6 fatty acids, including approximately 71 percent omega-6, 17 percent monounsaturated fat and 12 percent saturated fat. Canola oil is a nearly even mixture of omega and monounsaturated fatty acids, with 7 percent omega-3, 30 percent omega-6, 54 percent monounsaturated fat and 7 percent saturated fat. | |||
:Smoke Points | |||
Both canola and grape seed oils become inedible after reaching a certain temperature. As this is the point at which the oils start to emit smoke, it is known as their "smoke point." On reaching the smoke point, fats break down, flavors and aromas change and cancer-promoting free radicals begin to accumulate. Refined canola oil has a smoke point of 400 degrees Fahrenheit, while grape seed oil begins to smoke at 420 degrees Fahrenheit. Despite this difference, both oils are classified as having medium-high smoke points and are ideal for baking, stir-frying, oven-cooking and all lower-temperature cooking applications. | |||
:Uses | |||
Most products labeled as "vegetable oil" are primarily soybean oil. As such, the fat composition of vegetable oil is approximately 7 percent omega-3, 50 percent omega-6, 26 percent monounsaturated, 6 percent short-chain and 9 percent medium-chain saturated fats. Total saturated fats, and medium-chain saturated fatty acids in particular, contribute to dangerous cholesterol levels. Both canola and grape seed oils contain no medium-chain saturated fatty acids and have lower total saturated fats than vegetable oil. Although grape seed oil is more aromatic, both canola and grape seed are light oils with mild flavors. As such, using these oils in place of vegetable oil in a stir-fry, when baking or in salad dressings can improve a dish's health content while having little effect on its flavor. | |||
:Health Benefits | |||
Both grape seed and canola oils contain a high ratio of unsaturated to saturated fats. The Harvard School of Public Health states that replacing saturated fats with unsaturated fats increases levels of HDL cholesterol, decreases LDL cholesterol and reduces your risk of cardiovascular health issues, such as heart disease, stroke and hardened arteries. Because it is higher in monounsaturated fats, canola oil is higher in the antioxidant vitamin E. In addition, its lower saturated fat content helps canola oil to maintain healthy cholesterol levels better than grape seed oil. | |||
:Omega Fatty Acids | |||
Your body cannot produce omega-3 and omega-6 fatty acids. As your diet is the only source of these polyunsaturated fats, they are called "essential fatty acids." Omega-3s are important for the health of your skin and bodily tissues, with potential beneficial effects on cancer prevention, visual health, blood clotting, arthritis, heart disease and high blood pressure. Omega-6 fatty acids are important for growth and development, neurological function and breaking down cholesterol deposits. However, they may also narrow blood vessels and increase inflammation. As canola oil contains omega-3 fatty acids and less omega-6 fatty acids than grape seed oil, it is the healthier of the two options. | |||
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'''Is Grapeseed Oil Healthy?''' | '''Is Grapeseed Oil Healthy?''' | ||
*Source:http://healthyeating.sfgate.com/grapeseed-oil-healthy-8709.html | *Source:http://healthyeating.sfgate.com/grapeseed-oil-healthy-8709.html | ||