The right kind of cooking oil not only adds taste and flavour to the food but plays a vital role in improving overall health and well-being. Cooking oil affect the lipid profile, metabolic syndrome, trigger immunity and also lessen inflammation which makes it all more essential to choose the right one. People these days are more health-conscious and at the same time willing to experiment with new varieties of oils. One such cooking oil which has earned a good reputation among health experts in unison owing to its indispensable wellness incentives is Rice Bran Oil. Also Read: Cooking Oils: How To Choose The Right One

Rice bran oil is latest in the category of cooking oils and valued as one of the healthiest owing to its right proportion of heart-healthy unsaturated fatty acids-Polyunsaturated fats (PUFA) and monounsaturated fats (MUFA) in the ratio 1:1, the high smoke point of 232 C and bestowed with a rich array of essential nutrients and antioxidants.

Rice bran oil is obtained by processing the extreme outer layer of rice called chaff. The high smoking quality makes this oil ideal for all types of cooking from stir-frying and deep-frying. It is one of the famous cooking oil used widely in Asian countries like India, Japan, Bangladesh and China. It is highly recommended by the American Heart Association and the World Health Organization (WHO) as effective cooking oil to maintain cholesterol levels.

Rice Bran Oil Extraction Process

Rice bran is the very thin layer of brown rice and most nutritious part. It is bestowed with high amounts of vitamins and minerals. Rice bran oil is also used in cosmetics because of its moisturising properties. Rich in vitamin E, it flows smoothly and penetrates well and does not stick on to the skin. It is greatly valued as an excellent carrier oil. Rice bran oil is manufactured from the inner husk and germ of brown rice. It has a mild nutty and neutral taste and stable when exposed to high temperature. Also Read: Soybean Oil: 5 Healthy Reasons To Add This Vegetable Oil In Your Daily Meal Plan

Rice bran oil is extracted by chemical solvent process or pressed directly from rice bran. For a minimal amount of oil extraction expelling pressing method can be used while large scale manufacturing uses solvent making technique. Hot extraction process gets more oil yield and pure edible oil than the cold processing. The three main steps involved in rice bran oil extraction include:

Raw material preparation – Rice bran oil extraction- Crude oil refining

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Raw Material Preparation

Rice bran is initially screened, graded and sorted which are then heated at a temperature higher than 100 C by steam to prevent lipase hydrolysis reaction in rice bran before the extraction process.

Oil Extraction

The crude rice bran oil is extracted either by mechanical method with oil presser or by chemical method with solvent extraction. The rice bran is completely stabilized where oil is removed producing two products a high-quality crude rice bran oil and defatted rice bran.

Rice Bran Oil Refining

The crude rice bran oil obtained is further processed to remove the free fatty acids and offers an oil with less processing suitable for agricultural purposes. Edible oil which is bleached leaves mild flavour and smell and it must be removed by steam distillation before final packaging.

Steam Distillation

This is the final step in the process of extracting edible oil where residual free fatty acids and any undesirable flavours are removed from the oil. The fully processed oil is ready for packaging into retail bottles, food service pails or large storage container.

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Rice Bran Oil Nutritional Composition

In recent days rice bran oil is gaining popularity and used widely as cooking oils due to its quality, extended shelf-life and the balanced proportion of fatty acids as well as the abundance of antioxidants. It has a low viscosity and high smoke point which also makes it a healthy cooking oil.

Rice bran oil is extracted from the outer layer of rice such as white rice, brown rice and all other varieties of rice which are remarkable sources of carbohydrate, however, the rice bran oil contains zero grams of carbohydrate. Rice bran oil is loaded healthy unsaturated fatty acids –monounsaturated fatty acids (5grams) and polyunsaturated fatty acids (4.8 grams) per serving which help to increase the HDL (good) cholesterol levels and lower the LDL (bad) cholesterol and 2.7 grams of saturated fatty acids.

It is bestowed with vitamin E –tocopherols and tocotrienols and vast reserves of bioactive phytonutrients like phytosterols, γ-oryzanol, squalene and triterpene alcohols. Addition of rice bran oil in the diet has been shown to significantly reduce LDL cholesterol, blood pressure and blood sugar levels and also reduce risk of inflammation and metabolic disorder. Besides these, it is well-known to bolster the immune system and slow down premature ageing and age-related neurodegenerative diseases. Also Read: Go for Cold Pressed Oils for Amazing Health Benefits

The nutritional composition of rice bran oil as per USDA for one tablespoon:

Calories: 120

Fat: 14g

Sodium: 0mg

Carbohydrates: 0g

Fiber: 0g

Sugars: 0g

Protein: 0g

Health Benefits Of Rice Bran Oil

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Heart Healthy

The rich array of cardiac friendly phytochemicals and antioxidants present in rice bran oil is valued as a healthy edible oil for regular consumption and has also achieved the status of “heart-healthy oil”. Evidence has reported that daily addition of rice bran oil together with lifestyle modification and healthy eating habits is beneficial in reducing the risk of cardiovascular diseases. The presence of oryzanol a potent antioxidant in rice bran oil helps to lower cholesterol absorption and increase the cholesterol excretion. The Indian Council of Medical Research (ICMR) and the National Institute of Nutrition (NIN) recommended that oil which have an equal proportion of saturated fatty acids, monounsaturated fats and polyunsaturated fats are best to improve cardiac health and rice brain oil is almost close to this ratio.

Regulates Blood Sugar Levels

Rice bran oil supports to manage the blood sugar levels under control by improving insulin resistance. The richness of antioxidants in rice bran oil combat free radical damages and neutralise the free radical that may lead to oxidative stress and lowers insulin resistance. The perfect proportion of fatty acids levels in rice bran oil is beneficial for diabetic patients. As per the study published in the Journal of Nutritional Biochemistry it has been disclosed that the consumption of rice bran oil had significantly lowered the blood sugar spikes by 30 % in type 2 diabetes patients. Also Read: How Cooking Oils Help Keep Blood Sugar Levels Under Control

Potent Anti-inflammatory Effects

Rice bran oil is imbued with a host of plant compounds possess powerful anti-inflammatory effects. Oryzanol and tocotrienols are active compounds in rice bran oil are well-known to suppress the action of several enzymes that are known to cause inflammation which can damage the blood vessels and heart membrane. The powerful inflammatory properties of rice bran oil can reduce the risk of chronic diseases and lowers the post-menopausal effects like hot flashes.

Prevents Cancer

Tocotrienols, a group of antioxidants in rice bran oil possess strong anti-cancer effects. Studies have revealed that tocotrienols control the growth of cancer forming cells in the breast, lung, ovary, liver, brain and pancreas. Apart from these, it also minimises the harmful effects of ionising radiation exposure.

Bolsters The Immune Health

Rice bran oil is valuable in triggering the immune response, which is the body’s first-line defence against disease-causing agents like bacteria, viruses and other microorganisms. It is believed that the storehouse of antioxidants and potent plant compounds like phytosterols, polysaccharides, minerals and trace minerals including magnesium, selenium, zinc, vitamin E and omega-3 fatty acids are well-known to bolster immunity and keep infections at bay.

Combats Bad Breath

Oil pulling is a time tested practice which involves swishing oil in the mouth to thwart off bacteria and improve dental hygiene. Oil pulling with rice bran oil is effective in killing harmful bacteria in the mouth, prevent cavities, reduce inflammation and bad breath and promote gum health.

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Rice Bran Oil For Enhanced Skin Health

The goodness of powerful antioxidants and imbued with essential nutrients rice bran oil support to enhance skin health and glow. The richness of B complex vitamins such as Thiamine (B1) and Niacin (B3), as well as Vitamin B5 (Pantothenic Acid) and B6 (riboflavin) aids to soothe the skin and treats skin conditions like rosacea, sunburn, eczema and hyperpigmentation by enhancing the skin moisture, shields the skin cells from oxidative damage and nurtures the skin’s barrier.

Ample amount of vitamin E in rice bran oil aids to soothe and soften skin cells and improve the skin complexion and youthfulness. The antioxidant properties are used as anti-ageing properties in many skincare products. It is also used as suntan products to revamp skin cells and ease redness and irritation. Besides this vitamin E also helps to enhance the working of SPF products and avert wrinkles and fine lines.

The wealth of plant esters, sterols and powerful oryzanol with antioxidant and anti-inflammatory properties lessen puffiness, uneven skin tone and also wades away dark circles under the eyes. Furthermore, it also slows down the progression of melanin pigmentation.

Fatty Acids function as the building blocks of our skin membrane and shield the skin by retaining the skin hydration and moisture. Rich bran oil abundant in linoleic and oleic fatty acids protects the skin against UV rays, environmental pollutants and helps to lessen skin irritation, acne and fades away wrinkles and fine lines. While being also rich in oleic acid rice bran oil supports to promote skin firmness, elasticity and makes the skin look youthful and radiant.

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Rice Bran Oil Vs Olive Oil

Rice bran oil is known to have several health benefits than olive oil which include:

Rice bran oil contains more vitamin E, the active two forms tocopherol and tocotrienol while olive oil contains very less amount of vitamin E. Tocopherol the potent antioxidants in rice bran oil lower oxidative stress, slow down ageing and averts skin issues like acne and pigmentation.

Rice bran oil abundant in beneficial compound oryzanol while it is not present in olive oil but contains a good amount of DHA and EHA which is known to improve heart health. The special compound oryzanol in rice bran oil is well-known to reduce LDL cholesterol and lowers inflammation.

Rice bran oil has longer shelf life when compared to all other cooking oils, olive oil is very delicate and gets spoilt quickly.

The high smoking point of rice bran oil makes it suitable for all types of cooking when compared to olive oil. It is even suitable for baking due to its subtle taste which does not overpower a dish.

Though rice bran oil seems to be a better option than olive oil, it is always best to use rice bran oil for frying and sautéing and olive oil for salad dressing and drizzling overcooked vegetables.

Side Effects

Rice bran oil is generally safe for consumption for most people when used in moderate amounts. However excessive usage of rice bran oil can lead to irritable bowel movements, flatulence and abdominal discomfort due to increasing amount of fibre. People with digestive problems like intestinal ulcers, adhesions, conditions that cause narrowing of the digestive tract and other intestinal disorders it is best to avoid, as the fibre in rice bran oil may block the digestive tract. Health experts suggest that it is best to avoid rice bran oil during pregnancy and lactation as it may affect the health of the baby.

Conclusion

Rice bran oil made from the outer layer of the rice kernel is a versatile and an easy to add vegetable oil in the diet owing to its high smoke point and gentle flavour. It is gaining huge popularity in recent days due to its umpteen health benefits including improved heart health, regulates blood glucose and blood pressure, and prevents cancers, enhanced immunity and skin health. Furthermore, it renders powerful antioxidant, anti-inflammatory and anti-cancer effects, so reap the wellness incentives by adding this nourishing oil in your regular cooking.