t-,/rrr',r47c

l3
s,urces prcv€d bcrl. Com sle.p liquor wos the besl ofall, whcrc s licNtlrso. wos
fdrnd as lhe poorcst rourc€ ofnil.ogen.
El-Ma$y d, al. {1987) uscd DreLreaied rice straw for s(udyins choico ofhost
suitable nitrosen source ro increase th. prcduction of fun$l biomds 6 w.ll as
prcteinby Tri.hodem hani@@. They r€poned that u@ wls gMtly dsimilal.d
than other nirrcgcn sources and addilion of us in conjuction *ifi ammonium
sulfate in ! ralio of I I I gsve a tunsal yield of 8.7 g/L, with 30.4% crude prolein md
2.6 g/L rotal prot.iD. Com steep liquor used !t a level of20% (.quivalenl to 400 mg
N/L) gready improvcd the tungal yicld to ll.4 e/L and protei! cont€nt to 5l.l 0/0.
TIE mino acid profile ofbioN showed the pr*nce ot lE amino acids- Tb.y
obsered rhat thc composilion of T.hoBionun ary@cned |Jrat ofsoyb@ m@l md
sug8sted thal it can be used a! a supplement to plant prolcin in mimal feed.
Mahmood ul lldsan (1992) produced a biomai, having maximum of 280lo
true prclein aller fennenlalion of 3% beet pulp wi$ ,4rp?r8ilr' ,e/'e6 undcr
optimi&d condirions. Tle ionic concenlration of lhe medium wa! adjust d al
0.0075% Caclr, 0.01% I{gSOi.7H,O, 0.125 % KHIPOr and supplemenlcd wid)
1.2% corn sle.p ljquor.
Athar er ai. (1995) reporl€d thc bi@onveBion of b..t pulp into microbial
bion6 h.f.d ht.h cultuc sysr€m. Th.y succeded ir att.inirs 5.98 ms/ml of
mic.obial biomsss prct.in aI inirirl 3t.p by f.mdtltion wi,h Candida ttilis wn rc
d fol batch of 1.5 % ndaq and 0.75 % 6m ste.p liquor ai 36 hou6 of
fcarcnlation causcd tunlE ris€ of micrcbial prolein to 7.78 m8/ml.
cm€lilrs €l al. (1996) worked on . new liquof com sre€p mmDfactured by
Roque(e Freres, which rcpB.ded a source of.nitroge4 tace elements and sev€ral
vilmiN to cvalulte ir for industrial prcduclion oflactic bacl.ria. They found thst
So/ltr l-3b 2218 advantaseoullr coorp4ed Iactobacilla planrd'!' for biomals
production, at miDiDal y6t extacl addition. Cultur€ m€dium containing Sotutr