Thursday, February 29Food Security Matters

Darak: 10 Rice Bran Benefits, Uses, and Side Effects

Welcome to our blog post all about rice bran! If you’re a fan of discovering new and exciting ingredients that pack a nutritional punch, then you’re in for a treat. Rice bran, also known as darak, is not just your average grain byproduct – it’s packed with benefits and versatile uses that might surprise you. Whether you’re looking to add more fiber to your diet or explore alternative cooking options, rice bran benefits will surprise you. So let’s dive right in and uncover the wonderful world of rice bran together!

What is Rice Bran

Rice bran, also known as darak in some regions, is the outer layer of the rice grain that is removed during the milling process. It’s a byproduct that often gets overlooked but holds incredible potential when it comes to nutrition and culinary uses.

This golden-hued ingredient boasts a nutty flavor and a slightly gritty texture, making it a versatile addition to many dishes. Its appearance can vary depending on how it has been processed, but generally, rice bran comes in fine powdery form or small flakes.

Darak in Tagalog, Rice Bran in English, Upa or Opa in Ilonggo/Hiligaynon

In terms of color, rice bran typically ranges from creamy white to light brown. This natural variation adds visual interest and depth to recipes where it’s used as an ingredient or garnish.

One of the standout characteristics of rice bran is its high nutritional value. It’s loaded with essential vitamins and minerals such as vitamin E, B-complex vitamins (including thiamin, niacin, and riboflavin), iron, magnesium, phosphorus, potassium, and zinc. Additionally, rice bran contains antioxidant compounds like gamma-oryzanol which have been linked to various health benefits.

With its unique taste profile and impressive nutrient content, rice bran offers endless possibilities for incorporating both flavor and nourishment into your meals. From using it as a topping for salads or yogurt bowls to mixing it into bread doughs or smoothie blends, the options are truly limitless when it comes to harnessing the power of rice bran in your culinary adventures.

Rice Bran Nutrition Per 100g

Rice bran is a nutritional powerhouse that packs a punch in just 100 grams. So, let’s delve into the impressive nutrient profile of this versatile ingredient.

The nutritional content of rice bran per 100 grams can vary depending on the variety of rice and the processing method. Here is a general overview of the approximate nutritional composition of raw, uncooked rice bran per 100 grams:

  • Calories: 316 kcal
  • Carbohydrates: 52.0 g
    • Dietary Fiber: 33.0 g
    • Sugars: 1.3 g
  • Fat: 20.9 g
    • Saturated Fat: 3.7 g
    • Monounsaturated Fat: 10.5 g
    • Polyunsaturated Fat: 6.4 g
  • Protein: 14.0 g
  • Minerals:
    • Calcium: 79 mg
    • Iron: 9.2 mg
    • Magnesium: 781 mg
    • Phosphorus: 1070 mg
    • Potassium: 1200 mg
    • Sodium: 3 mg
    • Zinc: 8.8 mg
  • Vitamins:
    • Vitamin B6: 1.0 mg
    • Folate (Vitamin B9): 22 mcg

It’s important to note that these nutritional values are approximate and may vary based on the specific brand and processing of rice bran. Rice bran is a nutrient-rich ingredient, especially in terms of dietary fiber, essential fatty acids, and minerals. It is also a good source of energy and protein, making it a valuable component in both human and animal nutrition.

Please be aware that the nutritional content can change if rice bran is processed or cooked, and some nutrients may be lost during these processes. Always refer to product labels or nutritional databases for more accurate and specific information about the rice bran you are using.

Rice Bran Uses and Applications

Rice bran is a byproduct of rice milling, and it has a wide range of uses and applications for both humans and animals due to its nutritional content and functional properties. Here are some common uses and applications of rice bran:

For Humans:

  1. Nutritious Food Ingredient: Rice bran is a nutritious ingredient that can be added to various food products to enhance their nutritional profile. It is often used in breakfast cereals, granola bars, and baked goods.
  2. Cooking Oil: Rice bran oil is extracted from rice bran and is a popular cooking oil in many Asian countries. It has a high smoke point, making it suitable for high-temperature cooking methods like frying.
  3. Dietary Supplement: Rice bran can be processed into a supplement form, such as rice bran extract or rice bran oil capsules, to provide additional nutrients, antioxidants, and dietary fiber.
  4. Functional Food: Due to its high antioxidant content, rice bran is sometimes used in functional foods and beverages that promote health benefits beyond basic nutrition.
  5. Gluten-Free Flour: Rice bran flour can be used as a gluten-free alternative in baking, providing a nutty flavor and additional nutrients.
  6. Animal Feed: While rice bran is commonly used as an animal feed ingredient, it can also be used as a source of dietary fiber in human foods to boost fiber content.

For Animals:

  1. Livestock Feed: Rice bran is a valuable ingredient in animal feed for livestock such as poultry, pigs, and dairy cattle. It provides energy, protein, and essential nutrients for healthy growth and production.
  2. Pet Food: Rice bran is used in some commercial pet foods as a source of energy and dietary fiber for dogs and cats.
  3. Aquaculture Feed: Rice bran is used in aquaculture as a feed ingredient for fish and shrimp due to its balanced nutritional content.
  4. Supplemental Feed: In certain animal husbandry practices, rice bran can be used as a supplemental feed to improve the nutritional quality of the animals’ diet.
  5. Attractant for Wildlife: Rice bran is sometimes used as an attractant for wildlife, making it easier for hunters to observe and track certain game species.
  6. Poultry Litter Amendment: Rice bran can be used as an amendment in poultry litter management to reduce ammonia emissions and improve litter quality.

Both for humans and animals, rice bran is a versatile ingredient that provides a range of nutritional benefits and functional properties. However, it’s essential to consider the quality and processing methods when using rice bran, as some forms may have a higher nutrient content and better suitability for certain applications.

Rice Bran Benefits to Humans

Rice bran offers various health benefits to humans due to its rich nutritional profile and bioactive compounds. Here are some potential benefits of rice bran for human health:

  1. Dietary Fiber: Rice bran is an excellent source of dietary fiber, both soluble and insoluble. Consuming an adequate amount of fiber can aid in digestion, promote bowel regularity, and support overall gastrointestinal health.
  2. Nutrient-Rich: Rice bran contains essential vitamins and minerals, including B-vitamins (B6, thiamin, niacin), magnesium, phosphorus, potassium, and iron. These nutrients play vital roles in energy production, nerve function, immune support, and bone health.
  3. Antioxidants: Rice bran is rich in antioxidants such as tocopherols, tocotrienols, and gamma oryzanol. These antioxidants help protect cells from oxidative stress and may reduce the risk of chronic diseases.
  4. Heart Health: Some studies suggest that the gamma oryzanol and plant sterols found in rice bran may help lower LDL cholesterol levels and support heart health.
  5. Weight Management: Rice bran is relatively low in calories but high in dietary fiber, which can help promote a feeling of fullness and aid in weight management by reducing overeating.
  6. Blood Sugar Regulation: The soluble fiber and other compounds in rice bran may help stabilize blood sugar levels and improve insulin sensitivity, potentially benefiting individuals with diabetes or at risk of developing it.
  7. Skin Health: The antioxidants in rice bran, particularly gamma oryzanol, may have beneficial effects on the skin, potentially reducing signs of aging and protecting the skin from UV damage.
  8. Digestive Health: The fiber and other bioactive compounds in rice bran can promote a healthy gut environment and support beneficial gut bacteria.
  9. Cognitive Function: Some research suggests that the antioxidants in rice bran may have neuroprotective effects, potentially supporting cognitive function and brain health.
  10. Gluten-Free Alternative: Rice bran can be used as a gluten-free alternative in baking and cooking for individuals with celiac disease or gluten sensitivity.

It’s important to note that while rice bran can offer several health benefits, it is most beneficial when consumed as part of a balanced diet that includes a variety of nutrient-rich foods. Additionally, individuals with allergies or sensitivities to rice or rice products should avoid consuming rice bran. As with any dietary consideration, it’s advisable to consult with a healthcare professional or registered dietitian before making significant changes to your diet, especially if you have any underlying health conditions or concerns.

Rice Bran Benefits to Animals

Rice bran is a valuable feed ingredient for animals, and it offers several benefits when incorporated into their diets. Here are some potential benefits of rice bran for animals:

  1. High Energy Content: Rice bran is calorie-dense and provides animals with a concentrated source of energy, making it particularly suitable for livestock with high energy requirements, such as lactating dairy cows and working horses.
  2. Protein Source: While not as high in protein as some other feed ingredients like soybean meal, rice bran still contains a moderate amount of protein that can complement other protein sources in an animal’s diet.
  3. Fiber Content: Rice bran contains dietary fiber, which supports proper digestion in animals and can help prevent digestive issues such as constipation.
  4. Rich in Nutrients: Rice bran is a good source of essential nutrients, including B-vitamins, minerals (calcium, phosphorus, potassium, etc.), and some antioxidants. These nutrients contribute to overall animal health and productivity.
  5. Palatability: Animals generally find rice bran to be palatable, which can encourage them to consume their feed more readily.
  6. Improved Coat and Skin Health: The fatty acids in rice bran, such as omega-3 and omega-6, can promote healthy skin and coat in animals, resulting in improved appearance and reduced skin issues.
  7. Digestive Health: The fiber and other bioactive compounds in rice bran can have a positive impact on gut health in animals, supporting the growth of beneficial gut bacteria.
  8. Weight Gain and Growth: Rice bran’s energy density and nutrient profile can aid in weight gain and support proper growth in young animals.
  9. Non-GMO and Gluten-Free Option: Rice bran can be a preferred feed ingredient for animal owners seeking non-GMO and gluten-free options for their animals.
  10. Economical Feed Option: In regions where rice milling is prevalent, rice bran can be a cost-effective feed ingredient, as it makes use of a byproduct that would otherwise be wasted.

While rice bran provides numerous benefits, it should be used as part of a balanced diet tailored to the specific nutritional requirements of each animal species. As with any dietary change for animals, it is advisable to consult with a qualified animal nutritionist or veterinarian to ensure that the inclusion of rice bran in the diet meets the animals’ nutritional needs and promotes their overall health and well-being.

Rice Bran Dangers and Side Effects on Both Humans and Animals

While rice bran can offer several benefits, there are also potential dangers and side effects associated with its consumption for both humans and animals. It’s essential to be aware of these risks and use rice bran responsibly:

For Humans:

  1. Allergic Reactions: Some individuals may be allergic to rice or rice products, including rice bran. Allergic reactions can range from mild to severe and may include symptoms like itching, hives, swelling, difficulty breathing, or anaphylaxis in severe cases.
  2. High Caloric Content: Rice bran is calorie-dense, and excessive consumption without considering overall caloric intake can lead to weight gain and potential obesity-related health issues.
  3. Digestive Upset: Consuming large amounts of rice bran or introducing it suddenly into the diet can cause gastrointestinal discomfort, including bloating, gas, and diarrhea.
  4. Goitrogens: Rice bran contains goitrogens, compounds that interfere with thyroid function by inhibiting the uptake of iodine. People with thyroid conditions should moderate their intake.
  5. Antinutrients: Rice bran contains antinutritional factors like phytates and tannins, which can inhibit the absorption of certain minerals, such as iron and zinc, potentially leading to nutrient deficiencies in high quantities.

For Animals:

  1. Caloric Imbalance: Rice bran’s high energy content can lead to caloric imbalances and weight gain, especially if not appropriately balanced with other feed ingredients.
  2. Nutritional Imbalance: Excessive use of rice bran without considering the overall nutritional needs of the animal can result in nutrient imbalances and deficiencies.
  3. Thyroid Function: Goitrogens present in rice bran can also affect thyroid function in animals, potentially leading to thyroid-related health issues.
  4. Digestive Upset: Rapidly introducing rice bran into an animal’s diet or feeding excessive amounts can cause digestive upset, such as diarrhea or colic.
  5. Contamination and Spoilage: Rice bran can be susceptible to spoilage and contamination, especially if not stored properly, leading to potential health risks for animals.
  6. Mold and Mycotoxin Concerns: Poorly stored or moldy rice bran can contain mycotoxins, which are harmful substances produced by certain types of molds. Mycotoxins can negatively impact animal health and productivity.

To mitigate these risks, it’s crucial to use rice bran in moderation and as part of a balanced diet for both humans and animals. For animals, work with a qualified animal nutritionist or veterinarian to ensure proper incorporation of rice bran into their diets. For humans, consult with a healthcare professional before making significant dietary changes, especially if you have any underlying health conditions or concerns. Proper storage and sourcing of rice bran are also essential to ensure its safety and nutritional value.


Rice bran is a nutritional powerhouse that offers numerous health benefits. Its high content of antioxidants, vitamins, minerals, and fiber make it an excellent addition to any diet. Incorporating rice bran into your meals can help support cardiovascular health, boost digestion and immunity, enhance skin health, aid in weight management, and provide energy.

However, it’s important to note that while rice bran has many advantages, there are also potential side effects and dangers associated with its consumption. These include allergies in some individuals and the risk of arsenic contamination if not sourced from reliable suppliers.

Remember that moderation is key when incorporating rice bran into your diet. As with any dietary supplement or food ingredient, balance is essential for optimal health.

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