TABLE OF CONTENTS
Title page i
Certification ii
Dedication iii
Acknowledgement iv
Abstracts v
Table of contents vi
Chapter ONE
1.0 Introduction 1
1.1 Cypersus rotudus (coco-grass, purple nuts) 2
1.2 Sources of starch 2
1.3 Starch 3
1.4 Objective 4
Chapter TWO
2.0 Literature review 5
2.1 Origin of tigernut 5
2.2 Tigernut as food 6
2.3 Tigernut oil 6
2.4 Tigernut as fishing bait 7
2.5 Uses as flour 7
2.6 Tigernut as milk 8
2.7 Health benefits from tigernut consumption 8
2.8 Tigernuts plant and special care 9
2.9 Mineral content of tigernuts in Mg% 12
2.10 History of starch 12
2.11 Others uses of starch 13
2.12 Starch as food 13
2.13 Physical chemical and functional of properties of tigernut starch 14
2.14 Modified starches 15
2.15 Functional uses 15
2.16 Description 15
Chapter THREE
3.0 Materials and methodology 16
3.1 Materials 16
3.2 Methodology 16
3.3 Proximate analysis 17
3.4 Physicochemical 18
Chapter FOUR
4.0 Result and discussion 22
Chapter FIVE
5.0 Conclusion 27
5.1 Recommendation 27
References 28
ABSTRACT
Starch from tigernut was isolated by wet milling process and physico-chemical properties of native and modified tigernut starches (cyperus esculetus) were analyzed. The carboxymethylated modified starch had highest amount of protein (0.45%) fibre (0.25%) and moisture content (14.96%) while natives had highest amount of fat (0.60%) ash (0.17%) starch (77.90%) and amylose 17.71%. the physicochemical analysis showed that native tigernut starch had the highest valve of total solid (86.60%) and PH (6.63) while hydrogen modified starch had highest amount of TTA (0.495%). The study therefore had an effect proximate and physicochemical.
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