Milk Casein as an Alterna Al ternative tive Ingredient Ingredient for Glue Group name: Finding Whiny Members: 1. Kristyn ane F!ores 2. amie &nge!o 'ere( ). Ma. Wine!gen *a+o!s .
Date: September 22, 2016 Gr. " Se#: $%Ga!i!eo
-opi# nterests -urning Mi! into Strong /atura! G!ue ith aing Soda and inegar
G!ue is a thi#, so+t, moist substan#e, usua!!y produ#ed by mi3ing dry ingredients ith !i4uid. t is a substan#e hi#h is used to atta#h !ight things, su#h as papers, together 5ust by rubbing it to one ob5e#t to the other. -his substan#e has on!y !imited grip hen used +or it is not that sti#y but is suitab!e to be used in +astening papers and su#h. G!ue has been an important materia! at home, at s#hoo! and at o++i#e. Most o+ the#ommer#ia!!y aai!ab!e g!ue is #!aiming to be non%to3i#. 7oeer, 7oeer, e are sti!! un#ertaino+ this #!aim sin#e they #ontain preseraties that may harm both the user and theenironment. 8asein, a protein obtained +rom mi!, has been !ong proen to p!ay an important ro!e inthe produ#tion o+ g!ue. t #an be obtained +rom mi! by means o+ adding inegar intothe mi!. -he #urd +ormed +rom the rea#tion is mi3ed ith baing soda. -he produ#edg!ue produ#edg!ue +rom mi! may ary in #onsisten#y depending upon the amount o+ mi!, inegar,ater inegar,ater and baing soda used. 9ther resear#h #ondu#ted #!aims that g!ue made +rommi! #asein is aterproo+ and #an be used +or bott!e !abe!ing and #igarette pa#aging. .
uestions ab about th the topi# 1. What is importa importan#e n#e o+ mi! mi! as an ingred ingredient ient; ; 2. What What is 8ase 8asein in; ;
3 .I .I st he r eawa wa yt opr oduc ea l l na t ur a lgl ue ? 4 .I .I st heg l uepr o duc e df r o m mi l kc a s e i ne ffe c t i v e ? .
8on#erns rns ab about th the !o#a!ity
Maing one
*e!ated =i =iteratures
-he +irst eiden#e hen g!ue used +or the +irst time dates ba# in >000 .8., &r#haeo!ogists +ound +oodstu++ ith de#eased hen they ere studying buria! sites o+ histori#a! tribes in the pottery esse!s, hi#h ere repaired by some sti#y stu++ o+ tree sap. -hey a!so +ound iory eyeba!!s into eye so#ets in aby!onian temp!es.
n our modern time, g!ue may ary +rom industria! and #ommer#ia! purpose to ordinary g!ue used at home and s#hoo!. G!ue is used to +i3 broen pie#es or to bind di++erent materia!s. Mi! is a hitish !i4uid #ontaining proteins, +ats, !a#tose, and arious itamins and minera!s that is produ#ed by the mammary g!ands o+ a!! mature +ema!e mamma!s a+ter they hae gien birth and seres as nourishment +or their young. Mi! aai!ab!e in the maret is pro#essed into podered +rom. *esear#h #ondu#ted on mi! protein has proen that mi! #asein is an e++e#tie ingredient +or produ#ing aterproo+ g!ue. &.
Materia!s
•
Water
• Powdered Milk • Vinegar • Coee Filter • Cup • Measuring cups • Baking oda . 'ro#edure 1.Mi3 1?> #up hot tap ater ith 2 - podered mi!. Stir unti! disso!ed. 2.Stir 1 - o+ inegar into the mi3ture. -he mi! i!! begin to separate into so!id #urds and atery hey. ).8ontinue stirring unti! the mi! is e!!%separated.'our the #urds and hey into a #o++ee +i!ter positioned oer a #up. >.S!o!y !i+t the +i!ter, draining the hey. Keep the #urd, hi#h is in the +i!ter.S4uee(e the +i!ter to remoe as mu#h !i4uid as possib!e +rom the #urd. @.Dis#ard the hey Ai.e., pour it don a drainB and return the #urd to a #up.Cse a spoon to brea the #urd into sma!! pie#es. 6.&dd 1 teaspoon hot ater and 1? to 1?> teaspoon baing soda to the #hopped #urd. Some +oaming may o##ur A#arbon dio3ide gas +rom rea#tion o+ baing soda ith inegarB. E.Mi3 thorough!y unti! the g!ue be#omes smooth and more !i4uid. + the mi3ture is too thi#, add a bit more ater. .+ the g!ue is too !umpy, add more baing soda.-he +inished g!ue #an ary in #onsisten#y +rom a thi# !i4uid to a thi# paste, depending on ho mu#h ater has been added, ho mu#h #urd as present, and ho mu#h baing soda as added. Cse your g!ue as you ou!d any s#hoo! paste. 7ae +unWhen not in use, #oer your #up o+ g!ue ith p!asti# rap. 9er time, its #onsisten#y i!! be#ome smoother and #!earer.Cnre+rigerated g!ue i!! spoi! a+ter 2>%> hours. Dis#ard the g!ue hen it dee!ops a spoi!ed mi! sme!!.
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"iterature cited#Bi$liograp%ies
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