THESIS THESIS A COUPARACLIVE TERST CF CRHRTAT NGG PREUSERVATIVAS, By J.A.Flliot:. ‘(eee Mieuiean Asricultural Coliese, 1897, THESIS -A Convarative Test of Curtain Bes Presorvatives, It sometisics arrears to the discourased fanmuer of tedayv as if in adaiticn to all his other troubles, the wanufacturers were survlanting ovr ” ry tim in surnlving tne public with tne yroducticons of his farn, We havo artificial butter,sup. lanting tue dowestic butters; cottoline surrlanting nis lard and tallow; and if what rumor s«vs is true, too often te flesn of intles and horses is sold in largee cities in comretition with his steers and rigs, Rut there is one farm rroduct whieh nas so far veffled the ingenuity cf the manufacturer, He cannct make artificial ess, and as eems are an ariicle cf almost universal conswirticn, tis is a very lisportant considuration, Aliost @verv Carizcr finds it vrofitavle to keer more or less fpoul- trv, The ess s trolv nis fauilv with a gelientful article of food and ona become Wway—ee With sxillful, management on a source of comusiderable revenuc - or) “nrousnout tne year, But it usually harrens tna the hens yvrroduce tneir eres yuost abundantly durins tie sumser licntns and very srarseclv in tine Winter, As a consequence the price of eges fluctuates sreatlv and thre difference in tiis rriee paid in summer and winter makes it rrofitavle fo yack the esss or vreserve tnen from three to six months, pS ‘ eo . . wey, + k@Q reserved ,:eat do net eorennd te vrriece TD .- ‘ care Mut raechoa eas ) : . > that tne fresn article does, The difference in rrice vetween lined ess ond fresn onos is uguallv 10 to 20°, It peeoiues a matter of roliev to use «reat care in the preservation of the exss, so that thev vill pass 96057 te * seer 8 je Fy e ; “yyeew for freen, With a view or makine a cowrarative test 7 1 Ia CF * (2é 38 I rut comm ti.e esas in 17 lots of one nalf dozen in eaen lst. The ess were a11 left in tre riekle avout an eaual length of time (three wonths) At the end of this time they were exanined cs lied cess usually are cormuercialiy for the arypearance and texture of the sneli and albwuen,=, {fhe sharo of the yolk,atd Phe eggs wore also exanincd ror any offensive sica@ll cr taste caused pv tre yreservins, Lot =-“1, Packed Fred, 15, in dry salt alone, 7-P?Aee weg YT. 11QN fwd be The - A mn ems sink, the snell is mood +, a y a oa ' - . , i> ws 9 six rattle wren snainen, on the whole, still ne one could be fresh, Lot 2, Packed Fob, 165, Fees jyreserved by cover snell with yvararfrin, Tnis 1l-t was exa@suined May loth, The outside and the eess do not rattle nor or the emgs, save one, are musty unfit for use, thew xyo7 C70 (ee Tne odor az Tnis prose sink Float a tast a 0 - 4 in tne and stinkin orvative Gaeceived into th in a salt vrine soluticn e is rleasant, The souewnat thin, Two ezrsss 7 wad sat 1s «> 4. Pact Orv ’ Laniie them ing tire outside of the of the snell is sood wrine soluticn., But all ee, Thev were wnollyv Lot -5, Ppacxea Feo.,17, The outside of the albuuen was coasulated by arorrv ing 29 secoias into boiling water, Heaulued “ay loth, The coasulated rortion f the ers clines to the shell, They float in the salt brine, The wembrane enclosing the aloevuuen and volk sea. to have erom souewnat thicker anc tougsner, witn tuese exeeytions the osss were satisfactory, (3 J ae ws C2 7} —s ce CO - — ) 4 j~ fo +! r _ ro XQ C) cr ¢> —Je Ss b | ~] >» a) Jj > 5) ; c+ nm © re) =) cr +¢3) Hy we <7 ) sa @ oot Mxauinea, May Lith, These esss nans susronded in the brine solu- tion, Tne snell has a sxinyv, simooth ars carance so coimmon to lined oses, Tne white is a trffle too thins the valk sconewnat Plat, Still, on tue whole, the samele is fairly satisfactory, Saar le -4 was dvwilientea excert that Io used no salievlic acid, wut I could notice no diffrere..ce in tne eres, Lots -“6 and =6, Packed Feb.,13th, Packed tishtly in (-*5) soft coal asnos (sifted) and wood asnes,resyrectively, ac les were examined “Mav llth, OS peeest cll nas a acciageadly smooth and sninines ap vcarance, The esrs fioat nearly one-tnird out or the salt brine solution, “he air race is is considcraboly enlarged; otherwise the interior of the ess is very well rresorved, I noticed asain in tnis sauple th.t the WMeawbraces were mwucn trniecKkened and toushened, Lot =. To all ar: earance,exactly Jike :"5, Lot “7, Packed Febd.,13th, Fess put down in 90° e.,e, water, 30 er, line, way Leth, Fess beautifully vresoerved, exce:t that the nell is extrenely thin, It has been reduced in thiekness avout JS ~ * ° ° ’ 506,, but tne lime coes not discolor the shell or gsive it the liv Lot -’8, Pacned Fed.o6, in dry lime, Mxaimined “lay 17th, THe @ess Nang susrended in the salt brine szlution., While the eshell IO Lot lot (0) is thin, they are not aiseolored or liv looking, The white ana the Volk are of A Sood consistency and evlor, The preservative, o° the TO was satisfactory 10, aid “Li, packed Foo 7th, “Y rut down in 19 rarts of waver, lo rart salt, lo rart Jiue, and 1/10 . cn v CYOaua Lartar . ace ofr 47 ny ms ae ay aed 4 / so maak 2A A AAP mA 4 A210 e We hia y LUN 5 Ls 10 i Lt Me 2 OF AU C adler Trans) used 127 o: -~ 3 }-4 V1, Tie suse as 9 erea t 1/10 rart Tineture Tocine ua e Pad 5 2 c - er 07 - Ne CoN ex! }-- -+ pay Tne snells all feel swoctn and loon linv and shiny, They all sink, like fresn cess in the brine solution, There is no ar reecliable diffore.cs between sanvles ", 10, and 11, The albumen in cacn ease 9 is much thiner than in fresn ess, but there is not cnougsh differ- , enee in the Ssmarles to determine anvthines avout the conrarative virtue of Cream Tartar, Todine, or Roracic acid as preservatives, I 2 1e@ salt and lime nave far wore to do with the rreserv —4 believe tiat ti ing tne: aoes tie sececalled *reservative, The errs dao not have a limv taste as it iS elaimecd tnrat emes nevt in a lime solution are w liiely to acquire, ta .. . JS . “15. Packed Maren 9, Put dow in 10, solution of bleaching powder, Bxawinea “May loth, Mee-srnell very sloctih and limyv arresrins, Nees ewe voryv well rreserved, Tne cess swell anda taste BR badly, q “14, packed Maren 16th, 3 storile esses and 3 fertile ones were rut dovn in tne saiue solution as -"9, Exauined Vay 19tn, “otn samrles Were verv woll rreserved, T could notice no difference vetweon tren Wietever, Lot -“15, Packed Tiarehn 16th, To deteniine as to the keorins af boiled Cass, MxXaiica Mav loth, Tne Sunol. hes a wore sniny ona linv orvearance tian anv otnor Sauk le so far exaiinea, Tne esses Pleat in a prince sclution, Tre Volk of tiv Gis Sous avout nora), but the wilte seocus watery and Sroasyvy, There was ontv one ess in t’e lot put nad a disagsrecable oaor an. taste, tiv exrerie With this sanrleo would not encovrase me to try to Keer -olled cess, Let -"16, Packed Maren 16th, in oats XQuulnod May 1¢th, Tne shells «o not leok auite ri:nt, The exes Float in tne solution or salt. The alouwen is rathor thin aia waterv, Yoin of the em: Plat, The vatse and siskcil, rewever, is cleasant, As a treservative onts are Pairly weood, Lot “17, Paciod “inven 17th, In erv earth, On the far. ve often v-reserve arples and roots this wav, I have read sa.ewnere that oats have been vreserved this wey, but it wiljJ not work satistactorilyv with esses, Mxeud mead May goth, The eres wore totally unfit for use, Lot “1B, Vere welshed carefuliv with a view of deteriuininss how tmmich esss S 10 vr Wi Side Is: ec by evaror 587 ov ation, Th eisnt on Mar.l. 9 mn CA @ weicnts ro Siven be u low: 545.877 &, anne e COUN: sea uy (6) as SO°m as tnrev are taken out cf rickle. As an exreriment I took soue of +7 7. “ cy: nae . 4: oes. Lee 47, NUNS - . a ‘he best rresurved saavles of way cree ana vut tren on alate anda exros- te ct = va 4 an > +4 © 7 4 }~ Cc &- a4 vy C - ~ x Fo 4 ~~ rv) C2 a) 42; +N mr La ct © cr -~ 2 - ce C9 re -4 . ‘y 1. = ane *, oa ry = -~ ay p~! eo. \v uu - t- 8 for two wet, 2 J 8 rn s. wees . ~ tile tne Proesn ess nad a. parently ~ %. . 4. “fy - - f “ 4 Ys "4 . o -. - .> | ’ ~ yr - ° ” unaersone no cnanso, the preserved oes nad voenim to svoil., the whites Plat ° Tm gis ~7 ss? 4. + " . ™ tse . Mw 4 oo + ‘ + > - , es " ‘ ecowines thict ana watery in wanyv sarnrles, This oexreriment satisfied isc that the preserved esses do not Keer ag wQ 5 4 oo) $) Q rt 3 " . 3’ D rep) e certain solutions, Viareh 2 I rut daovn four erss in a prine solution colored with analine erceen, I exaiiined an cers evor td c+ <3 © =} Mw. vr 0 ¢) ry) ct i; "3 A) Lo a cn ets 7] put I never dcetectec tne least trace of color inside «er tre snell, Maren a, tre saue date, I aise yut down four esses in a isercuric clorice suluticn (11-1000). I exaained ono ems Mareh Sth, but found no traeces Of moreury, Ascain con “Maren 1Gth, put still no .wercurv, lav oth T examined the tnird es and by iwecns or the biechrenate of potash test *« e oon > .- oa we - 4 a 2, I founda traces of the imereury vo ve Conclusions, Ist, It would seo to we that esis inay be rrotitavly kert for three nionths, considering the usual aifPorence in vriece between tho siwaser, *he fall, ona the vinvor markets, 2c, I found not’ ing more satisfactory, consi 1? trouble of 3d, Hoss yrese rve d are not so "sod as fresh cess", as those wno fo, nave ese-rruservactives for sale woul@ nave us believe, Also thev can vo vasilyv aetectod, cs all @enes Kept in solution are allost sure in sciue way to be discolored and if ke t in the ory wav, so ren loisture is apstracted thet tnev icv eo detected in tiatowev, 4th, Aseinu, it scus to we teat line itsel’ is not the cause of the limy a vearance, soeniied, sf rreserveda ores, Tn aac case om I used lize Alone as a rreserveavive, the snells had tre 19%k of Presn earns (exce:t veins tninser), while in the cases Where salt ats, asnos, vtec, agnecll aoas H5ti., It would aryear tuat tre iceal preservacive vou'd combine tic rararPin and salt or scime socd rreservative, Tho pararfline prevents evaror:.tion and scoloration of the snell a Tf beliv nat if the esss vere first treaved with some preservative and the result would : e bean more rleasine, or tage wix our crreservative with the yararfine a tnen coated with porha:s we might with advan RGOM USE ONLY meee tal. we 4 wed : ‘, - oe ed ” . ll —_— = SS ===. == > ——— aS —_—= SS ||| i 3 1293 03056 1207