Skip to content

How many calories are in dried konjac rice?

4 min read

Made from the root of the konjac plant, dried konjac rice is a popular and potent health food, but its calorie content can vary surprisingly depending on its processing. While some brands boast extremely low calorie counts, others might contain minor additions of rice flour or starch that slightly increase their caloric value. Understanding these differences is key for anyone using it as a dietary staple for weight management or blood sugar control.

Quick Summary

This guide explains the varying calorie content of dried konjac rice, detailing how manufacturing methods and fiber composition affect its nutritional profile. It also explores the health benefits of its high glucomannan fiber content and provides a comparison to traditional rice.

Key Points

  • Variable Calories: The caloric content of dried konjac rice can range from extremely low to slightly higher, depending on whether it is made from pure glucomannan or a blend with other flours.

  • Check Labels: To find the true calorie count, always check the nutritional label, as some brands add starches that increase the carbohydrate and calorie content.

  • High in Fiber: The main ingredient, glucomannan fiber, is largely indigestible, which means it provides bulk and a feeling of fullness with minimal calories.

  • Differs from Wet Konjac: Dry konjac rice yields a firmer texture after rehydration compared to the softer, more gelatinous wet shirataki noodles.

  • Supports Weight Loss: Due to its high fiber and low-calorie nature, konjac rice can help manage weight by promoting satiety and reducing overall calorie intake.

  • Aids Blood Sugar Control: The fiber in konjac slows glucose absorption, making it a good choice for those managing blood sugar levels.

  • Requires Rehydration: Dry konjac rice must be rehydrated by simmering in water for several minutes before it is ready to eat.

In This Article

What Influences the Calorie Count of Dried Konjac Rice?

The fundamental reason behind the low calorie count of dried konjac rice lies in its primary ingredient: glucomannan fiber, derived from the root of the konjac plant. While most varieties are very low in calories, it is not always a zero-calorie food. Several factors can influence the final calorie count, primarily the product's composition. Some manufacturers, for example, blend pure konjac flour with other ingredients, like tapioca starch or rice flour, to improve the texture and taste. This blending introduces carbohydrates and, consequently, calories. For this reason, it is crucial for consumers to check the nutritional label and ingredient list of their specific brand of dried konjac rice.

Pure konjac products, including dried konjac rice made exclusively from glucomannan, will have negligible calories. The indigestible fiber passes through the digestive system largely unabsorbed, contributing to a feeling of fullness without adding to your daily energy intake. In contrast, a blended product with added starches will contain a higher caloric value, even after rehydration, as some of those carbohydrates will be digested. The preparation method is another consideration, as rehydrating the dried product does not add calories, but the sauces, oils, and other ingredients added during cooking will.

Nutritional Comparison of Dry vs. Wet Konjac Rice

While both dry and wet konjac rice are low in calories, there are notable differences, particularly in texture and preparation, that can impact their nutritional profile. Dry konjac rice is essentially dehydrated konjac flour, which is rehydrated before use. This process can yield a firmer, chewier texture that some users prefer over the softer, more gelatinous texture of wet konjac. Wet konjac rice, or traditional shirataki rice, comes pre-cooked in water and is ready to use after a quick rinse. Some wet konjac brands are almost calorie-free, with a 100-gram serving containing as few as 10 calories. However, the variation in dried products means you must scrutinize labels to ensure you're getting a true low-calorie option.

  • Dry Konjac Rice: Typically sold in small grains. Requires rehydration and cooking. Can offer a texture closer to traditional rice but requires label checks for additional ingredients.
  • Wet Konjac Rice (Shirataki): Pre-cooked and packed in water. Ready in minutes after rinsing. Often has a softer, more slippery texture and is generally guaranteed to be very low in calories and carbs.

Health Benefits Beyond Low Calories

Beyond its appeal as a low-calorie alternative for weight loss, dried konjac rice offers several significant health benefits due to its high concentration of glucomannan fiber. This soluble fiber forms a gel-like substance in the gut, which provides multiple advantages.

Weight Management: The gel-forming property of glucomannan fiber creates a feeling of fullness, or satiety, which can help reduce overall calorie intake and assist with weight loss goals. The rice's bulk and low energy density mean you can consume a larger portion without a significant caloric impact.

Blood Sugar Control: For individuals with diabetes or those monitoring blood sugar, konjac rice is highly beneficial. The high fiber content slows the absorption of glucose into the bloodstream, preventing sharp spikes in blood sugar levels.

Cholesterol Management: Studies have shown that the soluble fiber in konjac can help lower LDL (bad) cholesterol levels by binding to cholesterol in the digestive tract and preventing its absorption.

Digestive Health: Glucomannan fiber promotes regular bowel movements and can alleviate constipation. It also acts as a prebiotic, feeding the beneficial bacteria in your gut and fostering a healthy digestive microbiome.

A Detailed Comparison: Dried Konjac Rice vs. Traditional Rice

To truly appreciate the dietary advantages of dried konjac rice, it is helpful to compare its nutritional profile and characteristics with a common staple like cooked white rice.

Feature Dried Konjac Rice (Prepared) Cooked White Rice
Calories (per 100g) Very Low (10-38 kcal) ~130 kcal
Carbohydrates (per 100g) Very Low (1-7g) ~28g
Dietary Fiber (per 100g) High (Up to 17g) Low (~0.4g)
Key Component Glucomannan Fiber Starch
Glycemic Impact Low High
Texture Firmer, Chewier Soft, Fluffy
Preparation Requires rehydration Cooking on stovetop or rice cooker
Best For... Low-carb, keto, high-fiber diets General cooking, traditional recipes

How to Prepare Dried Konjac Rice Effectively

To get the best results from dried konjac rice, proper preparation is essential. Follow these steps to ensure a pleasant texture and neutral flavor:

  1. Rinse Thoroughly (Optional): While dried konjac rice typically doesn't have the fishy odor sometimes associated with wet shirataki, a quick rinse under running water can help.
  2. Rehydrate: Place the dried grains in a bowl and cover with boiling water, or simmer in a pot for 5-10 minutes. The grains will expand significantly, increasing 4-5 times in size.
  3. Drain and Toast: Drain the rehydrated rice completely. For an even better texture and to remove excess moisture, toast the rice in a dry pan over medium heat for a few minutes. This step is optional but highly recommended.
  4. Incorporate: Add the prepared konjac rice to stir-fries, soups, pilafs, or serve as a low-carb alternative to your favorite dishes.

Conclusion

In summary, the number of calories in dried konjac rice is impressively low, but not necessarily zero. The specific calorie count depends on whether it is made from pure konjac glucomannan, which is negligible in calories, or a blend that includes other flours like rice or tapioca. Consumers should always check the nutritional labels for accurate information. Compared to traditional rice, dried konjac rice offers substantial benefits for weight management, blood sugar control, and digestive health due to its high fiber content. When prepared correctly, it serves as a versatile and healthy alternative that can be easily incorporated into many diets and recipes, providing a guilt-free way to enjoy a rice-like texture and sensation. The key to successful use is proper rehydration and being mindful of any additional ingredients that could be present.


Want to learn about the health benefits of glucomannan in more detail? Visit Healthline to read more.

Frequently Asked Questions

No, dried konjac rice is not always zero calories. While pure konjac is extremely low in calories, some brands may contain small amounts of rice flour or tapioca starch to improve texture, which adds a minimal caloric value. Always check the nutrition label for specifics.

Dry konjac rice is a dehydrated product that requires cooking and rehydration, often resulting in a firmer texture similar to regular rice. Wet konjac rice, or shirataki rice, comes pre-cooked in water and is softer and more gelatinous, only needing a rinse and heat.

To prepare, simmer the dried konjac grains in boiling water for 5-10 minutes until they expand. After draining, you can dry-toast them in a pan for a better texture before adding them to your meal.

Yes, konjac rice is excellent for weight loss. Its high glucomannan fiber content promotes satiety, meaning you feel full for longer, which can help reduce overall calorie consumption.

Due to its high fiber content and low carbohydrate count, dried konjac rice has a minimal impact on blood sugar levels, making it a suitable option for individuals managing diabetes.

Glucomannan is a water-soluble dietary fiber found in the root of the konjac plant. It is the key component of konjac rice and is responsible for its thickening properties and health benefits, including promoting feelings of fullness.

Dried konjac rice is available at many health food stores, Asian markets, and online retailers like Amazon. It is often labeled as 'dried shirataki rice' or 'konjac rice'.

References

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

Medical Disclaimer

This content is for informational purposes only and should not replace professional medical advice.