‘3 Q 5 «AK . . ‘a W... Lu v.4“ Lu “W NU 1.3a 5%. a v, an r. . .._ 77s a Ir FM. w” W‘ 1.: .i C .. as (”cc JVE C 0 8 E . v .n I‘wz 3 J :52 f o _v ‘ o". r . t C at ~u .D‘.“ a F: {r V := s W?“ ' 25 J3 & p . an AV . an a.“ g 3&3 Nu. . cm” 9‘: 4“” $5.8 A N 0 g. I f:- ‘3‘ WM 3.: mm Wm. 3m 9 .5 .‘fi 5%.. ‘84 (na- sQo. fax .. . .mu .m. H.” . :2 a» 4n uh m... a” a» 5. 5. mm: pm." .A Y c a...“ X S «2 M... _:____:__:__¥=:_k:1:_‘._E_E_:__E_E_E: mm ”-1"qu C ‘ “‘3- W6“ ”W7 1'” MW . C". Q..- { ‘ ‘H ' ‘ "’ ' ’z ‘ Y . *1 V Y Y x ’ ‘ . .1 1-: ‘fi . ~ 5 . ‘ . k f l - J" L ~ ‘ \ A . A \ ' ,chigzm Sin u" Unix/own“; L- 4-; .mgsmxzu it. '3"! v." M AH mmnIcu 0? 9694111.”. BICLCCICLL 8131‘343 F033 YdTIIILfiIOXAL hem hm .8 ”$3313 Surname! to flu School or emanate Studio: of nichigam State University of Agricultun and Applied Science in partial fulfillment of the raquiranantl for th- dagrao or HASTIR G‘ SCIJ-ICE Depar‘hnant of Chmistry 1955 57$ [/37 r! 2:5. 10/“? 0* mmamtm the nth» via)»: to oxpr-eu 111: linear. tppmittion to Dr. John C, Speck Jr. for w.- cdvioo mi oncoumgament during the cow of thin research and the 13th of this lama-om. 11% ”Hi“. £3 1.321313? {1‘ 3&1: BIC-LOGICAL 31f7f.£{3 PW. MitTHYLGL‘IOKAL 3.? Bane Starr! .33 37?: 3131‘ macaw to the School of (infinite Stain" of rdcmgan 5&8. Univaflity of kgricultm- mi Applied Science in mun Want of tha new: for tho dame of mm or 361.41%; Expat-twat of Chemistry I.» 1935 Approvad __ RESI’RQCI Sm]. biologist]. 13m have been) emined for th- preleaoo of mthfiglyom. T1» methods employ“! for this mveoufiuw after anal adv-mugs. our the: pruden- uchniqma and to:- dawning uflvlghonll may m quite umitiw an! spawn, AM the: permit animation of hidoglnl am under that WW conditional. In post 0! than expert—nu, tho uterifl under investigation Ill 13139111111011. and tho dams. callootod. T111. dictflhh m .181»? “and with emu-epic aid-emu acid m and the noncon- mum at nethylglyonl deter-ind by Amt-w}, or m: W1 WI patent vars confined to than 011m: and the «sum I1»- turo outlined for amylase“ by piper Miami. I in mthylglyonl 6011141 be found in 13:33:“ 10;», yea” {amen- tauon 3111.1:ch , r“ liver It at blood. Ilsa adding: of very 10!! «mutations at uthylglml he that» 333m; was (no ltudiad. ”WWW“ mama manna-gimmwemudy inhibited with Mow-tic acid. Ismm plan“ fun the been mined. Th- older lawn warn {www.mmchmuwcmmpmmm to field 3 {Imam ”pound. Ham, 8 what-um no meat mick: Apparently for" an on». mu 'm' can be converted to a ”new niobium complex, but tho R! value for the 'm' is considerably mats: flan am. for mthylglyam. 1v :' it}? -.. -.--_g .m rs) rm- 2‘ LI"O“1V‘L n“uWLV‘I“-Hoo.00.oo-ooooooOoooooooootoooooaocoooooo EWKEXG;T;L HIEEE’DSOOQOOOC'OOOOOOOOOOOIOOIOOCQOOOGOOOCO‘OOOOOC :{ateualaOOOOOOOOIOOOOOOOOOOOOOCOOOOOOOOOOOOOOOOOOQOOOOOOI 'g-jpmtuBOOOOO OOOQIOOOOOOOOOOO'CIOOCOOOIOO0.0.00.00000000 Fmejum'.‘.IOOOOOOOOCOOOOOOOO‘ COOOOODQO’OUCOOUOCOOOOOOOO --c-' 1-2.... tr - rm"? -+ add" ‘3‘ “3 DI34u*-\’Ioflooooooooooooouoooooooooooao...oooo.oooooo - NH ..L U “HA“!OOOOOIO00000000100010.0000...0000000300I0000000OOOOUGIOOO . ‘-II;T',.‘ ‘5“ anfllmilu on“......................’.......00....OO'........ KISI’CRIC :‘J. INTROEIICTICR HISTORICAL ’TROZXICTIOH The now obnoloto final-y of nethylglyonl u an important inton- ”ditto in 513001;“. that me into being 321m!!! 1912. The clan Iranian]. minimum” batman lactic and pyravic acid- Ind methyl- glyonl contributed math to the “trauma: of the 1d“, ad 1% In mun: “hauntintod by identification of. W, which catalyze- tho conversion of uthylglyonl to lactic told, u tell u by inflation. of the «stud oocummo of uthylglyml in a variety or biological systems. than, u ”:1: u 1913 Dunn nnd many (1) menumoormonhuinbbodmdmudm tin-nu (11m, hart, m1... basin. and mm”) o: - umber or animal upon.- (an, dog, ox, cheap, rabbn, “foul“, and oodfish). More fluently, Hopkins and Harm (2) found us amending: ads distribution or W mung Wombat”, nan, unwed, fungi, Ind higher p10“. An early 6181! to the identiticntion of mthylglyonl in bio- legion mm occur- in the report by Toenail-on md Fish" (3) who hoisted uthylglmnl p-nitrophomrlouuom Iran an incubation nixtnro consisting of {NJ-awn and much and panama Mam. Anya. (h) upon-d this work in! mm mm tor the pmnoo o: nnglyonl 1n the color {crud on auction with mcmphoophotmmia «1:: ma ama- 10a. Bomber: and Kabul (5) reported 1.01m» o: lathylglyml n it! Zfi-dinitrvplnnylomono full bacterial extract. ta which mun-1,6-diphoaphlu lad been um. 511113117 , tubal and m (6) mum mammal 2,h-d1n1tmpm1mmm m- m» And (no: do: ”cl. when thou tutorials were incubated with hem-0 Womb-N. loodhu ma Lou-am: (7) an own-ad identifi- mm: o: uthylglyonl by tho pmoduro or flouburg ma lob-1 (5) 1n ohioknn embryo um. Cu. and Cook (a) reported an Mhflglyoxal occur: a la Mk 1:: lactic said tuition. Reuben and m (9), Lame and Hey“- (10), Duds! and Dudluy (11), Mimunndlobol (12) mmpaodplmnihhcohman for 31:- only.“ thich inwlnd nthylglyonl. Probably the no“ inns-nuns mum of Lmnomxmrmchhflzmbalu. 9m 930 cm gm (soon on can |:o o quon HEB «H . qr?! g—a an. L CH, CH .____) Q8 0 on upon—a 4mm no cm 3.03 3:08 (13.03 on on on 0 (28.03 énzon —’2* u "’3 CH, The. culmination of then ”mm. m mashed in that. auggutod in 1929 by ”saber-g and Kobe). Mob 1. arm in the following autumn m —-> human“. phosphwyhtion l cn,cocno glyonluo l exposes-H -—> cacao + co. 011,090me / enigma 8* Tbs work of Royal-In: shsflorsd thus hypotheses, so that than ideas which an run: nave:- buflt upon fix-A sxpsrimntsl grmd hats sinus fallsn Mo durum. sou-1mm “is sad tho not that its tn:- rols X's-sins s sushi-y, Abs name“. of uthylglyonl 1:: 510103100. systems cannot in disregarded. Boysr (13) am that Isthylglyonl rmuen is possible rm WuMdshyds snd ours:- ”ions phosphstss. This tor-sues is s shaded num- tum sn may-sue rescues, bocsnss scan mols sum-sci did not fluid um ssthylglyoml than boiled lunch sxtrsot. Stohr (1h) man an Isthylglynnl u toads a run. In (15) presented strong evidences shoving tbs Inhibitory sfrsct of Isthylc monl on succinic dam-dragons”. Appsrontly mthylglyonl commas um: ~53 smynss to tors s stabls condensation canpound. Other .53 sums, a110, azlntuic, Mouuhydrogames, hamkinssss, sdsnosinstdplnsphatsses srs she Mdbitad sinnsrly two succinio doc hydrogsnsss. Sale! (16) shwsd thst muxylglyonl 1s slanted 1n tbs mam—dancim rsts. Thusppesrs tabs omssdbys defloisncy 1n muslin activity in tho 1.1m. Thurston, tbs symptoms at thinnins Gauchos: can bs sttributod to mug/1mm intonation. Tbs physiologist]. sols of glyonlsss in tissue as suggested by Knox-hot (17) when hs pointed out thst this sum my slain“. tbs spontsnsausly found uthylalyonl. balm (18) shout! tbs: reduced slutsthiom is we mm a: mom. Imoys (19), Jowtt sud “Qua-u: (2e), and kasr (21) rspsrtsd thstssthyldyonlsndzluuudons fetuses-panama»;- gsstsd thst this sight bs sn mtsnsdh’as in the ghouls» rescues. Jon-u sud mam-1 (so) shssmd um. tbs .53 groups mum. by iodinssssrssssd m 3W us sddsd is s slutsthisus (031i) ' schism. Thsy propsssd tbs follsdng mohai- fsr 31mins scum QR gm . can :0 3,0 $333 + 0311 CH. —_) Iis -—-? '3; Flatt. and Schroeder (22) noticed that iodoacetis acid inhibits glysnlsss scuba by ass tram elutstbisns , the sum itself not be. in; has-nod, which us show by the fact that addition of glutatldsns ssuld rsstsnrs the ssuvity. 1mm (19) slaved was the We! rm by momma. sad glutsttdoas in the prosonss of 11m: mm was differs“ fro- tbssfonsdinitssbssnss. Homsblstoisolstsboth. Tbs mound fmsdtnthssbssnsssttbssmmnryhbflssndbshsndnhs m of mamas sud ”mam. m macaw" mm mumprsssnsssfthssnzysssbmpflnslsflmeksmu tam glumm and mu: said. Espldns sad mm (2) demon-1mm “ass as bass-t aim was side up of two entrapment-s. cm- of than is Abs 'snsyas' slush converts mthylglysnl Ind phenylglyonl to the mspudin: hydroxyssids st «and rates. Tbs other obnponent, which thus authors sailed 'fsctor', when sddod to tho systems mom“! tbs rsts of conversion of mthylglyonl, hm bad no «If 'sct m plmnylglyonl. In the presence of the 'onzyms', the 'faotor' was separated by ad- sonption of the letter on calciu- phoSphste 301 st pH 5.6. Becker (21) deserts-std tbs pmsencs of so intemedists by its sbsorption st 2&6 a , since neither glutsthione , nor mthylglyonl show Appreciabls sbsorption st that wave length. Using enzyme prepsrstions fmn yeast, Escher slso studied the function sod properties of ghouls» I and II, which be chimed corn-pond to not-gun's ham“ and 'fsctor', so! be proposed the following nscknnisn for glyoxflssesction. a gun I Hogso so 11 con 0 0-) OH our) 08 __.) 0. no.) OH + 63H ‘ CH, a, (:31! ca, on, 3,0 ca, Using sn snows prepsrstion fros ox hurt, and different tectmiques, Crook sud Lat (23) arrived essentially to the some conclusions ss Becker. Although sethylglyonl is no longer ooneidored an intsmedistc in ghoolysis, there still remain sue‘possibility that it sight be present in biological systems. This work presents sn sminsticn of ”NM biological systms using nethods which no specific for methyl- glyonl end per-it so investigation for this substance under slnost physiological sonditions. buxom-mu. mimosa mm'm. HS‘I‘HODS Hatcrisls Ethenol, nickelous sulfate, sodiun soetete, snhydrous ethyl ether , disodim hydrogen phosphste end sodixn chloride were ell 0.1”. reagents. Hetheson chrolotropic scid uns recrystellised full 50 per cent stlanol. Sulfuric said as Herc}: resgent (reds. Iodosoetic scid, n-heptenol, hydroxylsnine hydrochloride end soaiosrbsside hydrochloride uere Esstnen Kodak Cowper: best creole. Fructose-1,6-diphosphste use ob- teined fro- flutritionel Biochemicals Corporstion. The yeast as s Fleischen product. Wreldehyde us obtained through the cour- tesy of Dr. John c. Speck, Jr. 122mm. 1 Model 12-8 Celenen plutonuoronstor, equipped with s B 2 prinsry filter end s P04 secondary filter, end the standard curettes supplied for this instrunent were used in seeking sll fluorescence morensnts. l lyopbilieing * apperstus ves nede from s 0 tube fitted with ground gloss Joints. it one end was sttscbed s SO-ul flesh in shicb use pieced the ssterisl to be dried. The other end use comected to s tube which use plsced into s dry ioe-ethsnol bsth. The sppsretus use enousted with en oil pump. P ti end Stsndsrdisstion of he 1 Stock Solutions Those stock solutions were prepared end standardised sooording to the procedure described by 2mm end Speck (2h). One can of DL-glyoersldehyde was dieeolved in 25 ll. of l H sulfuric said, end this solution use distilled. Fifteen milliliters of the anemia or. collected sud diluted to mo :1. volule with distilled teeter. The resulting solutions were stored st 5°. The nethylglroxel solutions were standerdised by preoipitetion of the disesiosrbssons. To s 1041. sliquot of the solutim to be stendsrdisod use added e filtered solutim of l g. of senioerbseide hydrochloride end 1.5 g. of sodiuu soetsts in 15 ll. of distilled nter. The We use sllolsed to stead folIi 2h hours. The preoipitste use collected in s filter oruoihle end seabed with s for nilliliters of amt. It as then dried in so oven st 105° end weighed. Quoroastgo humus; of Hetlglgmgl These datomimtions were denied out screaming to the procedure of Thornton sud Speak (21.) else. Stsndsrd solutions of sethylglyonl were node up freshly every day fro-\the stock solution. One milliliter of the steward solution end 1 ll. of freshly propsrsd 2 per oent ohroaotropio said were plsoed in s 25-:1. volumetric (leek. Seperste solutions oonteining the unknon end the bleak were prepsred in the sane my. To each of these solutions sore them gradual; sdded lo :1. of ice-cold concentrated sulfuric said. The flssks were oooled during the oddition by esirling in so ice-water mixture. After oddition of the sulfuric scid, each flask use stoppemd end plsced in s ehellou tutor both containing inc-set” mixture. The fluke vere then trsnsferrsd together to s tater bsth saintsined st 50° shore they sore Mrlod for five ninutes. At the end of this tine, the flash sore trsnsferred together to s cool aster bsth more they 11ers quickly brought to rcoe “aperture. Each flesh use diluted to the Isrk with concentrated sulfuric said, end the fluoresccms of the new use compared with the etsndsrd, using s blue print] tum, sndsyellesesoendsxyfilterfortheeeesurenente. The sword-cuts described belcv involve the eminsticn of seversl biologicsl systems shioh it us thought sight centsin ssthylslyousl. The asteriel stained use lyophili'sed' end l-Il slicuote of the dis- tillste sore trestsd Iith chromtropic scid, scccniing to the pro- cedure described shove. The fluorescence as compared eith thst of s knoll stsndsrd. ‘ I Emulation Iese Five grsns of hsker's soft yeut me pleoed in the lyophilitr in; sppsrstus, sndfthe distillste use collected. st Est 1 Isle ret use sserifioed. Five eillilitere of blood were is- ssdistely collected fru the eninsl end placed in the lyophillting Iowans. EnniEtion of get Liver i fensle rot, eight nonths old, use sacrificed. The liver was reacted inedietely, plsoed in s fleck, frozen end lyophilized; Eminsticvn of least remntstiog Mixtume The fereentetion mixture use prepsred in the folloedng more To 10 ll. of e 10 per cent solution of glucose end 10 ll. of s 0.1 I! disodiul hydrogen phosphste solutia were sdded 5 g. of yeast. This nixture us slloved to stood for too hours st recs teqereture. l'ive nilliliters of this suspension were lqophilieed. . Exemdnstion of Liver root Inmbatod with Fructose-1 6-D h he Isle rsts em sacrificed sni their livers (totsl night 18.} I.) were moved. These were then ground in e sorter with clesn send snd suspended in 50 ll. of berets buffer st pl! 7.0. The borste buffer use prepsred by titrsting 200 ll. of h ‘por cent borio scid solu- tionsith 0.11 sodiu hydroxide,ueing epnum u. check the pa. 'ren nilliliters of this suspension sure sdded to 25 al. of 1.29s! cent fructose-1,6-diphosphsts solution. This ninture sec incubated for an hours u 37". run use lsbellsd mixture 1. the reminder of the suspension on slsc mouse a 37° for an hours. he Iilliliters of thisnixturelere thenedded toZSnl.efsl.2per oentsolutionof fructose-1,6-diphosptnte end incuhsted further for s 214-th period. This sss labelled sixture II. it the end of the incubstion period, 5-nl. sliquots were removed from each nixture end lyophillzed. . 10 Eminstion of Yeast ‘fiothzlglg on]. Added) To 3 g. or baker's sort yeast see added 1 ml. or 0.1 H iodoocotio soid solution. The mixture use slloued to stand for one hour st room tomsnture. One Iflliliter of s solution continuing 0.00251 leg. per ll. of nethylglyonl use sdded to this. The nixture ‘ns inedistely phoed in the lyophflising ' sppsrstus sad the distillste collected (h IL). i fermentation limn'e use prepsrod in the following mm Ten milliliters of s 0.1 H gluooee solution, 10 ll. of 0.1 H dieodiu hydrogen phosphate solution end 5 g. or yeast were mixed. After stand- ing for two hours is m mnzm, 1 :1. or 0.1 a woman said modded. Tinnixtm'eussthonsnomdtostandtormhslthour longer. Four nillilitere of this meponeion were removed end 1 ml. of sethylglyonl solution oontsining 0.0385 mg. of this substance use sdded. This portion was then lyoptdl‘ited‘. Waco t Blood Math 1 Added i not use snoritioed end the blood inedistely collected. Five -Iillilitereo£thehloodssreplscedinsnssktowiohssssddsd 1 .1. ed’ e solution of snowman omtnining 0.0021 lg. per .1. The flesh use connected tothe lyophill‘zm~ eppsrstue end the die- tillete use collected. m tion o; fits for Heth‘glglzgg The leaves o! the follow; pleats were investipted for methyl- ghouls Haple (5221; W), lulborry mg), white osk (% rcue _s_1_b_s_), shite fir (£33.22 gmolos), blue gross, ivy Qanthonoogeue tubuggidsts , end tobsooo (gm m). In ed- dition,theroelssndstmottobsocoplentsuereslsoeanined. Mention or Log Extrect Fresh lessee were collected, dthout the steels, fished end placed in e deep treese mrnisht. When roedy for use, they sere the-ed, plsced in s Inelin cloth, eud‘pressed in the hzedrsulio press. The Juice see inedistsly {men eith dry-ice end lyophilizedy Paar aluminum: Ltteqts were sede to identity sethylglyonl is ssple lessee by tomstieuet thesetlvlglndseendsopu-stiensnd identitioetionot thissubetsncehypsperchro-etomlysocordingtothspfloedmot Spock (25). Tmtygrusttnshlesvesmcellsoted,‘shedendpoendio ewmum. Totldssizturesere eddod 100-1. of distilled ester, 1 a. of hydrewl-iae hydrochloride end 1.5 s. e: sodiu acetate . (trihydnte). This We use «We eith sodiul mm, m extanted'flth an 504-1. serum at snhydrous ethyl ether. The mined extrsots were dried overnight over anhydrous sodium enlists. The ether use distilled off, the lost portion being removed under vecuun st the nter m in order to «Bid overheeting of the residus. The residue use then dissolved in 0.5 ml. or ulster end e for drape of the solution plsced on e sheet of Whetmn No. 1 filter paper. The solvent used for paper ohronetog'sphy as enter-sstunsted n-hsptsnol. After ellouing the solvent to rise for 20 hours, the sheets were dried in the sir end sprsyed sith s 3 per cent solution of niokelous sultete ts idol) had been edded 0.1 ml. of 28 per cent monie per 100 nl. The chronstogrm' indiosted sover‘sl throw mote end considerable 'tsiling'. In soother ettmpt to identify sethylglyoxsl in lseves, 35 g. of freshly collected ssple leeves vers mum in s nortsr with said-flushed lssni end pressed with 15 ml. or distilled aster. To one solution use edded 1 c. of lwdroxylssine‘hydrochloride end 1 g. of sodiun ecetste. The solution see filtered end trested for pspor chrometogrsphy scoot-ding to the procedure described m. The Mum obtsined in this ssnnsr sleo shoved oonsidershls 'tsiling' end severel brown spots. In order to definitive]: prove the presence or meme of methyl- glyonl in pleats, neple leeves sore collected, vsshed end pleced in the deep treeee overnight. They were then themed, placed in e suelin cloth end pressed in the hydrsulio press. The eetrsct was inedietely trcesn sud lyophillieed. To the distillsts (epproadnstely 50 :1.) was edded l s. of hydrcxylnine hydrochloride end 2 g. of sodim ecotate. This solution see treeted for peper chronfogreplv eccording to the procedure previously described . The results sre indiosted in Tehle IV. it reuts'. Id. ,. - Heth~l-._-xel h _‘ or Chrometogaue .'- : t Liver i ssle ret us ssorilioed end the liver imedietoly removed. 1) limplscedinewsringhlendersithsscluticactlg. othydronle sumhydrwhleridesndlé s.e£sodimsoetstein50sl.eddistilled enter. This suspension use treated for peper ohmstogrsphy seem-din; tetheprocedu-epnvieulydeeoribed. it t to Identit Roth 6 t h P or anatomy; Twat: grass of hsker's so.“ yeast were plsced in s Wsring blender Iith 50 I1. ct distilled nter outlining l g. of hydrcxylsnine hydro- chloride snd 1.5 s. 01' sodiul scetete. This suspension sse trested for pspel' chrmstogmphy seem-em to the procedure previously described. s Viper}! re’IUr-flehi u - ‘ L... 05 ‘7‘ -t '0‘ Laws hm 2:331: 2:125 $1313.78 .1231) EISCUSSIGR Eo mthylglyonl could be round in mt, yeast “mutation Wurst blood or rst liver. The methods employed for this investigsticn offer several advantages over the previous techniques used to:- detersining sethylglyonl. They ere quite sensitive sod specific end they persit on examination at hiclogiosl syetons under slnost physiologicel conditions. lstudyussede inerdertodeternine whether itiepoeeible to recover sny sothylgb'onl when it is added st low concentrstioo to these cystezne. It was found the“ rim setln'lglyml. see added st constitutions of 0.0013 mg. per 31.550 yeast, yeast {orientation sutures «- rst blood none could he recovered. These results on he sttributed to the imodiste {ammo or s complex between sethyl- glyoxsl end auutrdone. (Severn mammal-e (16.19.20) have shown thst glutethicue ects es s ooensyme in the trsnel‘omtien of uttvlglyonl te lactic said.) Since this reaction can be inhibited by edding icdescetete (22) these experiments were repeated with inco- scetete present. The results, which sore not sleeps reproducible, ere reported in Table I. thhcuda those recoveries ere tether low, they nevertheless one be considemd significsot-opsrticulsrly in view or the instability of sethylglyonl either st love concentrstions er in the presence of biologic“ system. These results inflict“ the?! if nothylglrcnl 7.431433 I nae-ma w nanmmoxn min; To saws cmzrmzmo macaw/:75 3;th Flethglglyonl E‘fi’gthflglyoxal Po:- Cont :Ldied , Mg. I‘Lecove rad , Hg . fiacowry Yam 0.0025]. 0.009 '51; 32 .3 least he mutation matures O .0355 O .0531? S .0 Blood (Rat) OJE’A O O ”emulated appreciably at any stage of. gig-0013313 one limld be able to damn-t it by the“ methods. Ariyama (Is) and several other worknro reported tint 11m extracts, when: incubated with hexane diphosphate yield nomylglyoxal. It was decided to repent. this work in order to damn-nine whether mafiaylglyoxal could be detected under those oirmmtancoo by motion with cam-amo- tropio told end flumtry. The result» of thin experiment, which are mportod 1n Tabla II M Ihich indicate the presence of. nethy - glyoml, mpport Ariym'e work. The original llvor homognnatec-borata ammo m nloo watod for nothylglyoml. no mfliylglyonl coulfi be detected in this suspension when no thief-owl MpEnopLato had boon added. Thou maul“ elm 1n Tabla III indicate tm presence of 11321111- oant mount: of mthylglyonl in plants, emxmy 1n the olzsor green lemme. In ordain to detomim definitely 1’“ preaonco or obsonce, 15 mm; II ammmma (1' ISLE 1372400 12' .1153 IfiiL‘Bl‘f 55;} WITH :3me 2-1 ,6-EIPEEOEPKE'E3 “w Blank Standard. Solution I Solution 11 F1 scram-tor Bowling! 0 . 7L ‘ 100 37 ‘ The mm contained 0.00095 mg. of uuzylgh-onl u- “u. : ~'\ 4" TLRBLE III Similflfi PEG! THE} 513313310}! C? W33 “— _._ “ ‘M A M .J ._ 7 J Plant Finer-ornate:- Roam Emined Ufiom Em A 7 Q fi' _ 0 e" . -; “7.. . i" Kaple Lame 346 85 Gran O Eh Ivy Leave: h 95 Kulbo my Lame 0 92 Oak Leave. 10 92 Mite Fir Lame 16 92 Tobacco lama 1h 69 Tobacco Stem 27 100 Tobacco Route 0 73 " The mm solution contain“! 0.00096 mg. of nothylgljonl SO-nl. porno“ of flotilla“ from lyophu intion or naplo lea: Juice were eminod by the prooedum involving paper dxmtogrmhy or :32. ounce. The moun- of those oxperimonte era elm in Table IV. 17 TAfiLE- IV ESLLTS Q9 P¢W:fi CIfiiCi‘fi’ECfluiPkfl G“ LBJ" EXIEL‘xCT (mmmv) {H R! Vain. futility of spa Hemlzlyoxim 0.58 Bright. pink and fill” Un’mmm 0.96 fellow, um: 'tailing' Then result: indium that uuwlglyonl doe. not occur in the have! of thin plmt . Instead tom other mum. compow having the preparty of forming an crime which given t yullov oomph: with mission- ion teen. to he want. This cub-m appear- to met with chroma-epic acid undar the conditions 0! tbs procedure for determination of wthylglyoul to yield n fluorescent W. The moans undoubtedly sex-1t: mum- investigation beam» or no probable dgrdticanco in ptmtosmthosia. «1 I1 .1 *4 53. ma .1172! 1. least, yeast tomontauon mixtures, r41". blood, rat liver and plants tors tannin-d for hour-{151mm, Tho oathodo involved: a) Mow-11133131011 sud fluororao’a-io dotomination of hotly]:- £13031 in the distillate after reaction with chromatroplo acidouulmrio told 311mm. b) Lyophil’ization of tho fixture followed by conversion of carbonyl compounds in the distillate to their om. one! oopmuon of the claims by papa;- mumphy. 2. Ho mthylglyoml owls! ho dotoctod in yeast, smut {emanation mixturoo, rot blood or rat liver. Hothylglyonl could be mavens! “to? being added to the" Oyutmo‘, providing iodoaoetato m addod also. 3. Evidence for noting-7131:0103. production as obtained with rat. liver homo—gonna. 1noubotod with (mason-1 ,Miplmptato . h. A volntilo mums m found in plants which gin- . nmooont oompmmd on "action with olumotmpio cold under the oomutiona of the pronoun for methylgmonl. 5. Thin whom: cannot be nothylglyoml “no: it could not be con- noted to an om baring on R! value identical with that of nothylglyoximo. . 117;}: EGRJ CIT EB 19 LIT—LB. iTURB CITED (1) a. :3. mm m: a. w. Dudley, J. 3101. Choir... 35. 135:3, (1911‘). (2) r. o. aopzm m: 5:. .8. Roman, mom. 3., )3, 320. (191.5). (3) a. Toonniom and v. 7mm, 2. m:- Phyoiol. cm... 13, 257, (1926). (L) 1:. Ariym, J. 3m. cm... 11. 395. (19253). (S) c. venom ma 1!. label, Bioolm. 2.. 33:1, 236, (1929). (5) 2.. Aux—in and 3. Simon, Comps. rent)” Soc. Biol. Pm... 119, 905. 1933 . (1) J. 5mm and a. Lolmnn, Biochon. 4.. 31,. 1186, (1937). (8) a. a. Can. we! a. r. Cook, Biochen. J.. g, 1319. (1931). (9) c. Nouborg an a. mm, 2. mgcpxma" _1_. m. (1912). (10) r. 1. 1mm and o. x. Meyer, J. 3101. cm... _1_1_. 351. (1912). (11) B. 9. Dakin and R. W. Dudley. J. 8101. Chem. 33;. 555, (1913). (12) c. amber; god a. no.1, Mocha. 2.. 391. 236, (1929). (13) 1'. Mayor, Bull. Soc. cm. 3101., :5. 1395. (1953). (1h) a. Star, 2. fur mum. cm... 19.5,, 15, (1932). (15) x. m, J. Biol. Chem. m. 289. (1950). (16) a. a. Salon, Bios-hen. 4.. 21, 227. (1951:). (17) o. Eeyorhof, Elgob. Emflunoh” y. 208. (1935). (13) 1. Lemma. Bioolm. 4., 2g. 32, (1932). (19) s. Xmoyo, J. 31mm. (Juan). 3;. 319. (193i). (20) x. Joann and J. a. M1, 31mm. 4., 31, has (1932). (21) 3. Backer, J. Biol. Chem, $22, 683, (1951). 20 (22) H. 2.211;“ and a. 2. Schroodor, J. Biol. Chem... 192.. 2:31. (193k). (23) :3. a. Crook and 1:. Law. Biochsm. J.. 2;, 1132. (1952). (21) a. J. Thornton and J. c. Speck, Jr... 1511. Ciao... 33. £99, (1950). (25) J. C. Speck, Jr., momma work. (25) r. a. Hopidnl and a. J. sou-gm. Biochem. J., g2, 73, (1318 . WTBY LIBRARY Date Due Demco-293 I III llll