Insoluble Fiber

Definition

Insoluble fiber is a type of dietary fiber that does not dissolve in water. It helps to add bulk to the stool and supports regular bowel movements.

Scientific / Technical Definition

Insoluble fiber is a non-digestible carbohydrate primarily composed of cellulose, hemicellulose, and lignin. It does not dissolve in water, adding mass to the stool and contributing to digestive health by accelerating the passage of food through the stomach and intestines.

Benefits

• Promotes regular bowel movements
• Helps prevent constipation
• Aids in digestive health
• Can help maintain a healthy weight by promoting a sense of fullness

Examples

• Whole grains such as brown rice and whole wheat bread
• Nuts and seeds
• Vegetables like broccoli and carrots
• Legumes such as beans and lentils
• Fruits with edible skins, like apples and pears

Additional Information

• Importance: Insoluble fiber is important for maintaining a healthy digestive system by preventing constipation and promoting gastrointestinal efficiency. It helps to keep the digestive tract moving smoothly.

Related Terms

• Dietary Fiber

References

• Dietary Fiber: Essential for a Healthy Diet
• Fiber: How Does It Affect Your Digestive System?
• Introduction to Dietary Fiber