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Production and Evaluation of Baked and Extruded Snacks From Blends of Millet Pigeon Pea and Cassava Cortex Flour

Production and Evaluation of Baked and Extruded Snacks From Blends of Millet, Pigeon Pea and Cassava Cortex Flour

Project / Seminar Material
Reference ID: PS-3553-TM

DEDICATION

This research material titled “Production and Evaluation of Baked and Extruded Snacks From Blends of Millet, Pigeon Pea and Cassava Cortex Flour” is dedicated to God for his enabling grace, and to all computer enthusiasts who contributed to make life a pleasant experience during my research documentation.

ACKNOWLEDGEMENT

I extend my sincere gratitude to all those who contributed to the completion of this project. Special thanks to my Supervisor (Name of your Supervisor), the Head of Department (Name of your HOD), the Lecturers in the department of Food Science and Technology (FT), Book Authors and Profound Scholars of existing or related project material on “Production and Evaluation of Baked and Extruded Snacks From Blends of Millet, Pigeon Pea and Cassava Cortex Flour” for their invaluable guidance, support, and expertise throughout the journey.

I am also grateful to your study area (mention any funding organizations, if applicable) for their financial assistance. This research would not have been possible without the encouragement and assistance of some stakeholders (mention any mentors, teachers, or colleagues). Additionally, I would like to acknowledge the understanding and patience of my family and friends during this endeavor. Your unwavering support has been a constant source of motivation. Thank you all for being part of this meaningful endeavor.

TABLE OF CONTENTS

PRELIMINARY PAGES


CHAPTER ONE

INTRODUCTION


    CHAPTER TWO

    LITERATURE REVIEW

    • 2.1 Introduction

    CHAPTER THREE

    MATERIALS AND METHODS

    • 3.1 Introduction

    CHAPTER FOUR

    RESULTS AND DISCUSSION

    • 4.1 Introduction
    • 4.2 Results
    • 4.3 Discussion of Findings

    CHAPTER FIVE

    SUMMARY, CONCLUSION AND RECOMMENDATION

    • 5.1 Introduction
    • 5.2 Summary
    • 5.3 Conclusion
    • 5.4 Recommendation

    REFERENCES

    ABSTRACT

    Millet flour (MF) and pigeon pea flour (PPF) were produced and blended in the ratio of 65:35 to obtain millet-pigeon pea flour blend (MPF). Wheat flour (WF) and MPF were used in ratios of 100: 0, 90:10, 80:20, 70: 30 and 60: 40 to produce cookies which were subjected to sensory evaluation, to isolate the best ratio (80:20). Cassava cortex flour (CCF) was produced and substituted wheat flour at different levels in the 80:20 (WF: MPF) blend to give various ratios of WF: MPF: CCF as 100:0:0, 80:20: 0, 75:20: 5, 70:20:10, 65:20:15, 60:20:20. These composite flour blends were used with baking ingredients to produce cookies and extruded snacks. Millet, pigeon pea and cassava cortex flour were analyzed for their proximate, minerals, vitamins and antinutrient contents.

    The MF, PPF, CCF, MPF and WF were also analyzed for their functional properties. The effects of cassava cortex incorporation, baking and extrusion cooking on the nutritional, antinutritional, microbial and sensory properties of the baked and extruded products were determined. The cookies were fed to albino rats to determine their effect on the biochemical parameters of the animals. Results obtained indicated that the chemical composition of the processed flour ranged from 7.35 to 9.50% moisture, 3.94 to 16.64% protein, 1.00 to 3.00% fat, 1.25 to 3.55% ash, 0.80 to 12.07% crude fibre, 67.86 to 77.39% carbohydrate, 83.6 to 326.8mg/100g phosphorous, 1.04 to 3.40mg/100g iron, 60.0 to 620.0mg/100g calcium, 34.06 to 232.76mg/100g potassium, 83.33 to 1666.67 (IU) Vitamin A, 1.0 to 2.0mg100g Vitamin B1, 0.00 to 0.08 vitamin B2 and 0.8 to 14.2mg/100g vitamin E.

    Residual anitnutrients in the flour ranged from 0.11 to 0.44% tannin, 1.0 to 1.3% phytate, 0.04 to 0.45Hu/gm hemagglutinin and 0.45 to 1.90% hydrogen cycanide. The functional properties of the flour showed some significant differences (p<0.05) when compared with wheat flour. Cassava cortex flour incorporation significantly (p<0.05) improved the ash, crude fibre and vitamin B2contents of the cookies and extruded snacks. The protein values were reduced from 7.44% to 6.25% as CCF incorporation increased in the baked products; while the protein values improved to 12.26% at 5% level of CCF incorporation in the extruded products.

    Baking and extrusion further reduced the antinutrients in the formulated products to the following ranges 0.09 to 0.33% tannin, 0.63 to 1.13% phyate, 0.00 to 0.45 Hu/mg hemagglutinin and 0.20 to 0.73% hydrogen cyanide. The bacteria and mould count ranged from 0.2 x 10 to 0.8 x 102cfu/g, while there was no coliform growth in any of the samples. All the developed products (cookies and extruded snacks) were acceptable to the panelists; however, the products produced from 70:20:10 ratio of wheat flour, millet-pigeon pea composite flour and cassava cortex flour blend were the most acceptable.


    Production and Evaluation of Baked and Extruded Snacks From Blends of Millet, Pigeon Pea and Cassava Cortex Flour

    CHAPTER ONE

    1.1 Introduction

    … As a prelude to other parts of this study, this chapter will discuss the background upon which this study was initiated, the statement of problems that led to this study, the Aim and Objectives of the study. Others are Significance of the study, Scope of work, Research hypothesis and questions, Limitation of the study and Definition of technical terms.

    CHAPTER TWO

    2.0 Literature Review

    2.1 Introduction

    This chapter focuses on the review of related literature. A literature review includes the current knowledge as well as theoretical and methodological contributions to a particular topic. It documents the state of the art with respect to the topic you are writing. It surveys the literature in the topic selected. In this research work the literature review includes the …

    Summary Headlines for Production and Evaluation of Baked and Extruded Snacks From Blends of Millet, Pigeon Pea and Cassava Cortex Flour



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