THE EFFECTS OF DIFFERENT PROCESSIGN TECHNIQUIES ON THE ORGANOLEPTIC QUALITY OF SOYMILK PROCESSING AND STORAGE
By
EYISI OBINNA O.C. REG. NO. FST/H2002/006
Presented To
Department of Food Science And Technology
ABSTRACT
The processing of soybeans into soymilk is aimed at gaining consumer acceptance of the legume by removal of the toxicants that contain and also improving organoleptic qualities of soymilk with special consideration to some adverse effect of these operation in soymilk quality.
Soymilk was processed from soymilk (Glycine Max) seed using that different processing techniques:
A Hot extraction method
B. Cold extraction method
C. Soaking before hot extraction method.
The soymilk samples were subjected to sensory evaluation using 9 point hedonic scale and proximate analysis.
Result obtained showed that sample A was significantly different (P < 0.05) between sample B had a more acceptable colour (P < 0.05) than samples A and C this was no significant difference between sample A and C in terms of colour.
The general acceptability of the sample showed that all the samples were acceptable.
TABLE OF CONTENTS
Title Page
Approval Page
Dedication
Acknowledgement
Abstract
Table of Content
CHAPTER ONE
1.1 History of Soybeans
1.2 Uses of Soybeans
1.3 Composition of Soybeans
1.4 Nutritional Quality of Soybeans
1.5 Antinutritional Factors
1.6 Trypsin Inhibitor
1.7 Haemagluttins
1.8 Soybeans Saponings
1.9 Protein Quality of Soubeans
1.10 Aims and Objectives
CHAPTER TWO
Literature Review
2.1 Milk from Soybeans
2.2 Nutritional Value of Soybeans
2.3 Essential Amino Acid Content of Soybeans
2.4 Undesirable Components of Soybeans
2.4.1 Trypsin Inhibitor
2.4.2 Clrease
2.4.3 Haemagluttuis
2.4.4 Gioterogens
2.4.5 Phytic acid
2.4.6 Bitter and Beeany Flavour
2.4.7 Flatus
2.4.8 Soymilk Flavour
2.4.9 Soymilk and Lipoxidase Activity
2.6.1 Nutritional Aspect of Soymilk
2.6.2 Proteins
2.6.3 Vitamins and Minerals
2.6.4 Fats
CHAPTER THREE
3.1 Materials
3.2 Methods I Hot Extraction Method
3.3 Method II Cold Extraction Method
3.4 Method III Soaking Before Hot Extraction Method
3.5 Method of Analysis
CHAPTER FOUR
Result and Discussion
4.1 Effect of Soaking Time on the Organoptic Qualities of Soymilk
4.2 Effect of Soaking Time on the Protein Recovery and Total Solids
4.3 Effect of Blanching Time on the Organoleptic Qualities of Soymilk
4.4 Effect of Blanching Time on Protein Recovery and Total Solids
CHAPTER FIVE
Conclusion and Recommendation
Conclusion
Recommendation
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