chemistry project on study of quantity of casein in different samples of milk

7/21/2019 Chemistry Project on STUDY OF QUANTITY OF CASEIN IN DIFFERENT SAMPLES OF MILK

http://slidepdf.com/reader/full/chemistry-project-on-study-of-quantity-of-casein-in-different-samples-of-milk 1/12

CHEMISTRYPROJECT

:AIM:TO STUDY OF QUANTITY OF CAESIN PRESENT IN

DIFFERENT SAMPLES OF MILK.

SUBMITTED BY :-

NAME: AALOK VAIDYACLASS: XII AROLL NO: 01

CERTIFICATE



This is to certify that this dissertatio tit!ed"

“STUDY OF QUANTITY OF CAESIN PRESENT INDIFFERENT SAMPLES OF MILK”

s#$%itted $y AALOK VAIDYA to Che%istryde&art%e t of the

MAHARISHI VIDYA MANDIR SCHOOL "

Sha'a&#r" (as carried # der )#ida ce a ds#&er*isio d#ri ) the acade%ic year +,-./+,-0 1 Pri ci&a! Mr1 21R1 Patidar" MAHARISHIVIDYA MA3DIR1

ACK3O4LED2EME3TI (ish to e5&ress %y dee& )ratit#de a dsi cere tha 6s to the Pri ci&a!" G.R. PATIDAR,MAHARISHI VIDYA MANDIR, SHAJAPUR for hise co#ra)e%e t a d for a!! thefaci!ities that he &ro*ided for this &ro'ect(or61 I si cere!y a&&reciate this %a) a i%ity$y ta6i ) %e i to his fo!d for (hich I sha!!



re%ai i de$ted to hi%1 I e5te d %y heartytha 6s to Miss. Pri !"#! S$"i M!% " Che%istryteacher" (ho )#ided %e to the s#ccessf#!

co%&!etio of this &ro'ect1 I ta6e thiso&&ort# ity to e5&ress %y dee& se se of )ratit#de for her i *a!#a$!e )#ida ce"co sta t e co#ra)e%e t" co str#cti*eco%%e ts" sy%&athetic attit#de a di%%e se %oti*atio " (hich has s#stai ed %ye7orts at a!! sta)es of this &ro'ect (or61

AALOK VAIDYA

DECLARATIO3I do here$y dec!are that this &ro'ect (or6 has$ee ori)i a!!y carried # der the )#ida ce a ds#&er*isio of Miss. PRIYAN&A SONI " head of che%istry de&art%e t" MAHARISHI VIDYAMANDIR " SHAJAPUR 1

AALOK VAIDYA



I3DE8

9 - 1 I trod#ctio :::::: -

9 +1 Ai%::::::::::::: ;

9 ; 1 Re<#ire%e ts::::::: =

9=

1 Theory::::::::::: .

9 . 1 Proced#re::::::::: >

9 01 O$ser*atio s:::::: ?



9 >1 Co c!#sio s ::::::: @

9 ? 1 Refere ces ::::::: -.

I3TROD CTIO3

Mi!6 is a co%&!ete diet as it co tai s i itsMi era!s" Vita%i s Protei s" Car$ohydrates" FatsA d 4ater1 A*era)e co%&ositio of %i!6 fro%di7ere t so#rces is )i*e $e!o(B

So#rce of%i!6

4ater Mi era!s Protei s Fats Car$ohydrates

Co( ?>1- ,1> ;1= ;1@ =1@

H#%a ?>1= ,1+ -1= =1, =1@

2oat ?>1, ,1> ;1; =1+ =1?

Shee& ?+10 ,1@ .1. 01. =1.



Caesi is a %a'or &rotei co stit#e t i %i!6 isa %i5ed &hos&hor/&rotei 1 Casei has isoe!ectric$e easi!y se&arated aro# d this isoe!ectric &H1 Itreadi!y disso!*es i di!#te acids a d a!6a!ies1Casei is &rese t i %i!6 as ca!ci#% casei ate i

the for% of %ice!!es1 These %ice!!es ha*ee)ati*e char)e a d o addi ) acid to %i!6 thee)ati*e char)es are e#tra!iGed1

Ca + +CH ; COOH a<

Caesi ate ↓Caesi CH;COO +Ca



1 AIM To st#dy the <#a tity of Casei i di7ere t

sa%&!es of %i!61

RE IREME3TS

' B(!#(rs )*+0 %

' i /(r- ! (r

' G !ss r$

' 2(i34/ 5$6



' i /r!/i$" 7!s#

' B894"(r 8""(

' T(s/ /85(s

' P$r9( !i" is4

' Di;(r("/ s!% (s $ %i #

' 1< !9(/i9 !9i s$ 8/i$"

' A%%$"i8% s8 4!/( s$ 8/i$"

Theory

3 at#ra! %i!6 is a o&a<#e (hite #idsecreted $y the %a%%ary )!a ds of Fe%a!e%a%%a! 1 The %ai co stit#e ts of at#ra! %i!6are Protei " Car$ohydrate" Mi era! Vita%i s"Fatsa d 4ater a d is a co%&!ete $a!a ced diet 1Fresh %i!6 is s(eetish i taste1 Ho(e*er " (he itis 6e&t for !o ) ti%e at a te%&erat#re of . de)ree



it $eco%e so#r $eca#se of $acteria &rese t i air1 These $acteria co *ert !actose of %i!6 i to !acticacid (hich is so#r i taste1 I acidic co ditio

casei of %i!6 starts se&arati ) o#t as a&reci&itate1 4he the acidity i %i!6 is s# cie ta d te%&erat#re is aro# d ;0 de)ree" it for%sse%i/so!id %ass" ca!!ed C RD1

PROCED REA c!ea dry $ea6er has $ee ta6e "fo!!o(ed $y &#tti ) +, %! of co( s%i!6 i to it a d addi ) +, %! of

sat#rated a%%o i#% s#!&hate so!#tio

s!o(!y a d (ith stirri )1 Fat a!o ) (ith Caesi(as &reci&itate o#t1

-1 The so!#tio (as !tered a dtra sferred the &reci&itates ia other $ea6er1 Added a$o#t ;,%!

of (ater to the &reci&itate1 O !y Caesidisso!*es i (ater for%i ) %i!6y so!#tio!ea*i ) fat # disso!*ed1

+1 The %i!6y so!#tio (as heated to a$o#t=, oC a d add - acetic acid so!#tiodro&/(ise" (he casei )ot &reci&itated1;1 Fi!tered the &reci&itate" (ashed (ith(ater a d the &reci&itate (as a!!o(ed todry1

=1



4ei)hed the dry so!id %ass i a &re*io#s!y(ei)hed (atch )!ass1.1 The e5&eri%e t (as re&eated (ith othersa%&!es of %i!6101

ONSERVATIO3S

Vo!#%e of %i!6 ta6e i each case1 %!

3a%e of Mi!6

4ei)ht ofCaesi

of Caesi

Co( %i!6

N#7a!o %i!6

2oat %i!6

Shee& %i!6



CONCLUSIONDi;(r("/ s!% (s $ %i # 9$"/!i"

i;(r("/ (r9("/!3( $ C!(si".



1 REFERE3CES1 Co%&rehe si*e Practica! Che%istry

La5%i P#$!icatio s1

2EBSITES:1 (((1ic$se1co%

chemistry project on study of quantity of casein in different samples of milk

Documents