Taro, sweet potatoes, and potatoes are all beneficial for weight loss, but sweet potatoes have a more prominent comprehensive weight loss effect. The weight loss value of three types of root and stem foods is mainly related to dietary fiber content, glycemic index, duration of satiety, micronutrient density, and cooking adaptability.
1. Sweet potatoes
Sweet potatoes have a higher dietary fiber content than potatoes and taro, with about 3 grams of dietary fiber per 100 grams. They can slow down gastric emptying and promote intestinal peristalsis. Its glycemic index is 54-75, depending on the variety, lower than that of white rice and Mantou, which helps to stabilize postprandial blood sugar. Sweet potatoes are rich in vitamin A precursor beta carotene, which can help regulate the activity of fat metabolism enzymes. It is recommended to choose medium-sized red heart sweet potatoes, which can be steamed, refrigerated, and heated to form resistant starch, further enhancing the satiety effect.
2. Potatoes
Potatoes have a moisture content of 80% and the lowest calorie density, with only 77 calories per 100 grams, making them suitable as a staple food substitute. After cooling, the resistant starch content of potatoes significantly increases, which can reduce actual heat absorption. It should be noted that frying or adding butter can significantly increase calories, and it is recommended to boil or grill with skin. Potatoes have a high potassium content, which helps alleviate swelling during weight loss, but vitamin C is easily lost during high-temperature cooking.
3. Taro
The viscous polysaccharides in taro can encapsulate food oils and reduce the absorption rate of fats in the intestine. Its glycemic index is about 53, which belongs to the low glycemic index category. The magnesium element contained can improve insulin sensitivity and help control appetite. But taro starch particles are smaller and can be digested slightly faster than sweet potatoes. It is recommended to eat it with protein foods. Note that raw taro contains calcium oxalate crystals and must be thoroughly cooked before consumption.
During weight loss, it is recommended to use three types of food as staple food substitutes, with a daily weight control of 150-200 grams, and prioritize low-fat cooking methods such as steaming and baking. Sweet potatoes are more suitable for breakfast or as a supplement after exercise. Potatoes are suitable as a staple lunch, while taro can be paired with meat for dinner. Pay attention to monitoring individual digestive reactions, and individuals with gastrointestinal sensitivity should gradually increase their intake. When consuming for a long time, it is recommended to rotate the variety to ensure nutritional balance, while also combining sufficient vegetables and high-quality protein to avoid relying solely on root and stem foods for weight loss.
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