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发表于 2008-12-2 22:48
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This was my failure
It wa summer time room temp was 30C, I was experiment with a small amount inside a Robertson jam jar.
& M3 Y$ c- e) g E/ o1. wash everything with broiling water, soak glutine rice overnight , using a bowl, cook inside microwave cooker ,( my rice cooker not easy to clean to oil-free stage), rice was properly cooked ( similar to sticky rice in dimsum restaurant ), left at table to cool down to same temp as back of hand, stir occaionly, sprinkle and mix 1 flat teaspoon of wine yearst ( white color, look like the fruit of lychi ), pour content into a jam jar , half full, put a piece of ceram wrap over jam, screw cap , put jar inside cupboard.
: Z$ e z) x4 U- [/ g2. 2 to 3 hours later, peek at the jar, noticed some bubbling activity inside jar,.3 t5 K0 c8 a" c/ @! q7 P! S/ h9 \5 l; z* B8 _
Next day, more bubbling activitiy everywhere. slight alcohol smell.
0 U4 }% S& q* Ein 3rd day rice broke down from it's shape, stronger alcohol smell, truns darker color
" K) i0 d! h# R( B" F4th day very little bubbling, shaked jar hoping to improve activity, (this could be the mistake)! X: G! [+ N# K8 V+ T* Z
5th day no bubbling,8 H, G: l) {* w7 G3 X
6th day open jar, smell sour with alcohol smell.' X0 ^( V/ V9 f8 g( }
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After this failure, I tried several times, using different kind of yeast, some fromm Vancouver, other from different Edm store, all failed.
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( _; a% Z W- Z) L7 h5 K& GConclusion -- when compare with your steps, these are the reasons of failure :-3 Z, r* q; f. ]4 N" a8 k
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1. 1/2 jar of air inside jar might has germs that ruined reaction
n6 d3 f4 d$ F2 @# l9 ?* l/ w4 ~2. cleaning not complete.) M3 ~% d$ I" M( n2 P( B4 u
3. wine yearst was too old or no good ?
) }$ Y; q! S$ U% vWhat should I do next ? |
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