**Table of Contents:**

**

Chapter 1

: Introduction**
- Background and rationale
- Research objectives
- Significance of the study
- Scope and limitations

**

Chapter 2

: Literature Review**
- Overview of dietary fibers
- Types and sources of dietary fibers
- Physiological functions of dietary fibers
- Impact of dietary fibers on GI health
- Mechanisms of action in the GI tract
- Previous research findings and gaps in the literature

**

Chapter 3

: Methodology**
- Study design and approach
- Selection of dietary fiber sources
- Experimental models and techniques
- Data collection methods
- Ethical considerations

**

Chapter 4

: Results and Discussion**
- Characterization of dietary fiber samples
- Effects of dietary fibers on GI function in animal models
- Microbiota modulation by dietary fibers
- Human trials assessing the impact of dietary fibers on GI health
- Interpretation of findings
- Implications for clinical practice and future research directions

**

Chapter 5

: Conclusion and Recommendations**
- Summary of key findings
- Contributions to the field of food science and technology
- Practical implications for consumers and healthcare professionals
- Recommendations for further research
- Conclusion and final remarks