t-,/rrr',r47c

l9
dd yeasi exkact in con@nrntions of8-10 g/L and t-2 gr_ rcspecdvety with 20 g[
ofD-dexhse led 10 similar biomN..lcs rhan.ulture mcdium wnh onty 5 gil_ of
4. CARBON TO NITROGEN RATIO
Shellan (1975) used com st@p liquor for rhc prcduclion of fungal prccin.
tle obtained 48% cNde funSal protein by fermcnt'ng l0 g/L ofcom steep liquor
havingC:N as 6ll vitll Tti.hoderna vii.le tor 48ta@.
Osmm and Voino ( 1976) studicd rhe effect ofCN mtio on the prcducrion of
ye6l procin. They ob$wed thal drc protein conlenls deoreased from 52.30lo lo
42.0y0 by de.reasing C:N nlio white r,he biomas yietd incr€s€d. In orhcr
experment rt wa5 obseflcd that aner keeping the suSar t€vel constanl and by
dsresing the C:N rario f.om t? to 8 rhe prcreil| conient ofyessr ircrcas€d from
2E.lto5l % and th€ biomass yield likcwise droppcd f.om l8 to t2 g/L.
Prmment er dl (19?8-s) cordrcred $lid slale femenradon of alkali
prerred.d haplc s.wdut jn rmy and ronbt. fem.nld usinA Chaeroniuh
ce outicth as fenenrative ofganism. Th€y reporred rhat crude pror.in contenl of
rhe solids roso f.om 0.9 to I tyo i! r.ay t mcnr.r and s% in rhc tumbte femencr.
Tle pH of llle medim was set al 5.0, cebon ro nirroge, mtio ar l:10 and
tempenturc al 37oC for 20 days.
Abdullah e/ 4l (1985) srudied ih. .ffer of C:N nrio on rhe produclion of
tuneal biomss proreir f.om wh€1 srrav wirh Chaebhiun cellulolrticud. .Ih.
fdnenltlior ws cMied oot uder sotid sbd eidr mmonia fMa cxprcid
followcd by srem telted whcat stoq (100 8 at 80?o ww mostu.e conrenr) and
C:N ratio of l0:t at 30oC rcmpemrure in rhe prcscrce of KHrpO., ZnSO. ard
Feclr. They obt|ired mdimum bionas, pmbeh yietd (27.2%) ane.3 days.
Camal €r d/. (1985) pmpagaLd h. Candido utitis tn .ontintes cutrue usint
bagasc hydoly?rle medium suppli.d ar diffe.crr diturion d6 .atrting from