internship report on dawn bread by rana shoaib anwerFull description
Descripción: This will assist you to design a mold from the beginning
internship report on dawn bread by rana shoaib anwerFull description
Determination of Yeast mold and bacteri lactobacillus aspergillus niger saccharomyces cerevisiaeFull description
This will assist you to design a mold from the beginning
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This is a labreport on chemical kinetics... From this labreport students of chemical engineering and chemistry students can get a huge advantage in working in their lab..Full description
BREAD MOULD LAB REPORT
A fungus (plural fungi) is a member of a large of eukaryoti organisms t!at inlu"es miroorganisms su! as yeast an" mol"# as $ell as more familiar mus!rooms% &t is a stationary# !eterotrop!i eukaryoti organism $!ose ell $alls ontain !itin% T!e basi strutural unit t!at makes up t!e bo"y of t!e multiellular fungus are alle" !yp!ae% &n a mus!room# t!e !yp!ae are "ensely pake" in tig!t mass an" "iffiult to see as separate strutures% T!e bulk of t!e organism is in t!e form of a bran!ing net$ork alle" myelium (plural myelia)% Myelia li'e in soil an" ot!er nutritious substanes# su! as li'ing# "ying# or "ea" $oo" an" animal bo"ies% T!e part of t!e fungus t!at you see abo'e t!e groun" is t!e repro"uti'e struture $!i! is alle" a fruiting bo"y% Most animal onsume foo" an" t!en "igest it% ungi "o t!e opposite# t!ey release t!e enymes t!at break"o$n foo" e*ternally% Many fungi !a'e bot! ase*ual an" se*ual met!o"s of repro"ution% Ase*ual repro"ution in fungi an be by spore pro"ution by mitosis% +ome uniellular yeasts use bu""ing% T!is in'ol'es a smaller ell t!at "e'elops $!ile atta!e" to t!e parent ell% T!e smaller ell is e'entually pin!e" off of t!e parent ell to pro"ue a ne$ in"i'i"ual% &n se*ual repro"ution of a fungus# it onsists of t$o nulei in speialie" !yp!ae fuse% &t gro$s into mus!room an" se*ually pro"ue" spores t!at forme" on t!e insi"e of t!e gills% ,!en t!e spore matures# t!e mus!room opens up an" releases its spores to t!e $in" $it! up to billion mus!room% Ea! spore gro$s into a genetially "ifferent myelium t!at arries eit!er positi'e or negati'e information% .o$e'er# t!ere are also importane of fungus# it an be use" as "eomposers "eomposers t!at reyles "ea" organisms organisms t!at an fertilie" fertilie" t!e soil an" also use for breaking "o$n to*i $aste% +ome speies pro"ue antibiotis like Peniillium to fig!t against baterial infetion% ungi are also a foo" soure like mus!rooms/ a soure of 'itamin D an" it also use for making blue !eeses% 0east 0east is ommerially use" to make brea"# beer an" $ine% PROBLEM
1% To obser' obser'ee !o$ !o$ brea" brea" mol" mol" gro$s gro$s%% -% To obser'e obser'e t!e faster faster gro$t! gro$t! of mol" in in a "iffere "ifferent nt on"itio on"itions ns of brea"2 a% Brea Brea" " spr spray aye" e" $it! $it! $ate $ater r b% Brea" spraye" $it! $!ite $ine HYPHOTHESIS
+ine $!ite $ine is also a pro"ut of fungi# t!is $ill permit more mol"s into t!e brea"% PROCEDURE
1% +lie" +lie" of of brea"2 brea"2 t!e t!e rust rust $as remo'e remo'e"% "% -% T!e brea" $as $as ut into into t$o piees piees (not neessa neessarily rily e3ual# e3ual# but forme" forme" like like a s3uare)% s3uare)%
4% T!e small slies $ere spraye" $it! $ater an" t!e ot!er $ere spraye" $it! $!ite $ine% 5% T!e t$o pairs of slie" brea" $ere separate" into transparent plasti bags an" seale" (1 bag per pair)# to easily obser'e t!e gro$t! of mol"% 6% &t $as plae" into a bo* an" plae" in a 47/46 "egree 8elsius en'ironment% DATA Table 1.1: Slice 1 Sprayed wi! "aer DATE April
Base" on t!e table 1%12 +lie 1 +praye" $it! ,ater# form t!e -7 of April to t!e -4# t!ere $ere no !anges appeare" on t!e brea"# but on t!e -5 of ebruary# t!ere is 1 spots t!at are $!ite# fine !air/like in struture# t!e spot is loate" on t!e mi""le of t!e brea" $it! 7%- m in "iameter# measure" $it! t!e ruler% On t!e -6of April# t!e spots turne" to blak# surroun"e" $it! $!ite !air/like struture $ 1 m in "iameter# measure" $it! t!e ruler an" t!e -n" spot $as loate" on t!e -n" fae of t!e brea" on t!e lo$er rig!t $it! no$ 7%: m in "iameter# measure" $it! t!e
ruler an" t!e a""e" spot $as on t!e lo$er rig!t $it! 7%6 m% on t!e -4 r" of ebruary# 1 spot gre$ again loate" on t!e 1st fae of t!e brea" on t!e upper left $it! 7%4 m% Base" on t!e Table 1%-2 +lie - +praye" $it! ,ater# # form t!e 15t! of ebruary to t!e -7t!# t!ere $ere no !anges appeare" on t!e brea"# but on t!e -1st of ebruary# t!ere $as spot t!at is $!ite# fine !air/like in struture# $it! 7%; m on t!e lo$er left part of t!e brea"% On t!e -- n"# t!e spot turne" into blak an" surroun"e" $it! $!ite !air/like struture an" it gre$ up to 1%; m on t!e same loation% On t!e -4r"# t!ere $as no ne$ !anges appeare"% Base" on t!e table -2Brea" of T$o +lies +praye" $it! ,!ite ,ine# t!ere $ere no !anges ourre" at all from t!e 15t! of ebruary to t!e -4r"% 8omparing all t!e tables# it s!o$s t!at brea" mol" gre$ faster on t!e slie" of brea" spraye" $it! $ater t!an t!e one spraye" $it! $!ite $ine% ,ater permits t!e gro$t! of mol" beause mol" !as to !a'e moisture in or"er to gro$ an" beause it $as seale" t!e moisture "i"n>t e'aporate% T!erefore t!e moisture is a great fator t!at ontributes t!e fast gro$ing of mol"% On t!e ot!er !an"# ,!ite $ine# e'en t!oug! it is a pro"ut of fungi# it still ontaine" some preser'ati'es in it like sulfur o*i"e an" asorbi ai" to ensure t!at $ine remains stable an" taste lean# fres! an" palatable for its entire lifetime an" t!ese preser'ati'es are substanes t!at may be a""e" to $ine as a protetion against o*i"ation an" baterial spoilage%
CO#CLUSIO#
T!erefore# base" on t!e e*periment "one# t!e gro$t! of brea" mol" $as $ell obser'e" from its first "ay of gro$t! -5 st of ebruary until t!e may -r" $!i! is t!e last "ay of obser'ation% &t $as t!en pro'en t!at mol" $ill gro$ up faster $it! t!e presene of moisture of t!e brea" spraye" $it! $ater t!an t!e one spraye" $it! $ine% T!e moisture ontributes a fast gro$t! of mol" $!ile t!e preser'ati'es in t!e $ine in!ibit t!e gro$t! of mol"s into t!e brea"% +o# to pre'ent foo" from mol"# it $oul" be better to keep it out or a$ay from a moisture area t!at $ill permit t!e possible gro$ing of mol"s% Aor"ing to t!e Unite" +tates Department of Agriulture# oo" +afety an" &nspetion +er'ie# ?some mol"s ause allergi reations an" respiratory problems% A fe$ mol"s# in t!e rig!t on"itions pro"ue ?myoto*ins#@ poisonous substanes t!at an make people sik if e'er mol" $as eaten%@ &t is a"'isable t!en not to eat mol"y foo" for t!e assurane of a !ealt!y "iet%
