DSpace at Chattogram Veterinary and Animal Sciences University: A STUDY ON QUALITY OF MILK FROM FARM TO SHOP IN CHITTAGONG METROPOLITAN AREA

CONTENTS

CHAPTER SUBJECT PAGE

NO.

CHAPTER I INTRODUCTION 1

CHAPTER II REVIEW OF LITERATURE

2.1 Constitute of Milk 5

2.2 Nutritive value of Milk 5

2.3 Physical parameters of milk 7

2.4 Chemical parameters of milk 8

2.5 Adulteration and preservative in milk 9 CHAPTER III MATERIALS AND METHODS

3.1 Collection of Samples 11

3.2 Methods Followed for milk testing 12

CHAPTER IV RESULTS AND DISCUSSION

4.1 Physical and Chemical quality assessment 13

4.1.1 Specific gravity 13

4.1.2 Fat Content 16

4.1.3 Solids-not-fat 17

4.1.4 Total solids 18

4.1.5 Water content 19

4.1.6 Acidity 20

4.2 Qualitative variation of morning and afternoon milk

21

4.3 Adulteration 21

4.4 Preservative 23

4.5 Commercial life 24

CHAPTER V SUMMERY AND CONCLUSION 25

REFERENCE 26

APPENDIX 29

LIST OF TABLES

NO. TITLE PAGE

Table 1 Physical and Chemical parameters of FPFM of different area in

CMA

15 Table 2 Physical and chemical parameter of average FPFM and NBPRM

from different area of CMA. 16

Table 3 Qualitative Difference between Morning and Afternoon Milk 21 Table 4 Added Water in NBPRM of Different Area 21 Table 5 Status of adulteration in NBPRM from 6 areas in CMA 23 Table 6 Status of added preservatives in all 6 sources of NBPRM 23

LIST OF FIGURES

NO. TITLE PAGE

Fig. 1 Comparison in specific gravity between FPFM and NBPRM 13 Fig.2 Graph showing the comparison in Fat content between FPFM and

NBPRM 16

Fig. 3 Graph showing the comparison in SNF% between FPFM and NBPRM

17 Fig. 4 Graph showing the comparison in TS% between FPFM and NBPRM 18 Fig. 5 Graph showing the comparison in water content between FPFM and

NBPRM

19

Fig. 6 Graph showing the comparison in acidity between FPFM and NBPRM

20 Fig. 7 Graph Showing Adulteration with water in different Market Area 22

LIST OF ABBREVIATIONS AND SYMBOLS

CMA Chittagong Metropolitan Area SPG Specific Gravity

SNF Solids-not-fat TS Total Solids

SD Standard Daviation

NS Non Significant

** Significant at 1% level

< Is less than

> Is greater than

oC Degree centigrade ml Microlitter

% Percentage

Oz Ounce

gm Gram

r.p.m Rotation per minute

/ per

± Plus –minus

COB Clot on Boiling

APT Alcohol precipitation test FPFM Farm produced fluid milk NBPRM Non brand packaged raw milk