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PROXIMATE (NUTRIENT CONTENT) ANALYSIS OFDIOSCOREA BULBIFERA

 

TABLE OF CONTENTS

CHAPTER ONE

1.1   Introduction/ Literature Review       -       -       1

CHAPTER TWO

2.0   Materials and Methods    -       -       -       -       5

2.1   Collection and Preparation of Sample      -       5

2.2   Determination of Moisture Content -               -       5

2.3   Determination of Percentage Crude Protein -   7

2.4   Determination of Ash Content -       -       -       10

2.5   Determination of Crude Fact    -       -       -       11

 

CHAPTER THREE

3.1   Results    -       -       -       -       -       -       -       14

CHAPTER FOUR

4.1   Discussion       -       -       -       -       -       -       16

        References       -       -       -       -       -       -       23

        Appendix                 -       -       -       -       -       -       19

 

ABSTRACT

This study is part of the effort to find out and document the nutrient compositions of the Dioscorea bulbifera (Aerial yam on air potato). Dioscorea bulbifera is among the many species of yam that can be found on Nigeria. The tissue is known to be a good source of food nutrients such as carbohydrate, crude protein, crude fat, fibre, Ash and moisture. As in many other yam species, moisture (64%) constitutes the greatest composition in percentage, followed by carbohydrate (29.03%), crude protein (1.1%), Ash (1.5%), crude fibre (0.67%) and crude fat (0.4%), with crude fat being the lowest in quantity. Dioscorea bulbifera is also known to contain some mineral elements such as potassium, calcium, phosphorous, magnesium, iron, zinc, copper, and sodium. Among the mineral elements potassium is found to be the highest while magnesium the lowest.

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