Kua Chocolate Saj

Cov tshuaj tsw qab noj tau yog hais txog ntau yam tshuaj tsw qab uas muaj ntxhiab ntuj, uas tau ua tib zoo npaj los ntawm kev xa mus rau qhov saj ntawm cov khoom noj ntuj thiab siv cov txuj lom ntuj thiab cov txuj lom sib npaug. Nws suav nrog ntau yam tshuaj tsw qab xws li dej thiab roj zoo ntawm cov txiv hmab txiv ntoo, mis nyuj, nqaij qaib, nqaij, zaub, txiv ntoo qhuav, khoom qab zib, emulsions, thiab cawv, thiab tsim nyog rau dej haus, ncuav qab zib, ncuav mog qab zib, khoom noj khov, khoom qab zib, cov khoom qab zib, cov khoom noj mis nyuj, cov kaus poom, cawv, thiab lwm yam khoom noj. Cov qauv tshuaj ntawm cov tshuaj tsw qab noj tau suav nrog kua, hmoov, microcapsule, paste, thiab lwm yam.

Essence, ua ib yam khoom siv tshwj xeeb uas muaj zog heev uas tuaj yeem cuam tshuam rau saj thiab saj ntawm cov khoom noj, tau siv dav hauv ntau qhov chaw ntawm kev tsim khoom noj. Nws tuaj yeem kho cov qhov tsis zoo ntawm cov khoom noj nws tus kheej, muab qee cov khoom noj nrog cov saj qub ci ntsa iab, ua kom cov khoom noj muaj zog, thiab npog cov ntxhiab tsw phem ntawm cov khoom noj. Cov txiaj ntsig ntawm essence ua rau nws dhau los ua qhov tseem ceeb ntawm kev tshawb fawb. Nrog rau kev txhim kho ntawm cov thev naus laus zis niaj hnub thiab kev txhim kho tas li ntawm cov txhais tau tias analytical, ntau thiab ntau cov aroma compounds tau txheeb xyuas. Tshwj xeeb tshaj yog tom qab kev tshawb pom ntawm cov sulfur compounds thiab lwm yam khoom uas muaj cov ntsiab lus me me tab sis tsis tseem ceeb rau cov hom tsw, aroma ntawm synthetic essence ze rau ntawm cov essence ntuj, uas ua rau kev lag luam synthetic essence tsim kho sai, Food essence tau dhau los ua ib feem tseem ceeb ntawm kev lag luam khoom noj niaj hnub.

Cov khoom noj uas noj tau yog ib yam khoom noj tseem ceeb hauv kev lag luam khoom noj. Hauv cov khoom noj ntxiv, nws tsim nws tus kheej lub kaw lus nrog ntau dua ib txhiab hom.

Raws li lub xeev ntawm cov essence, cov essence noj tau suav nrog: cov kua essence (soluble hauv dej, soluble hauv roj, emulsifiable), uas 10% -20% yog cov tshuaj tsw qab, thiab 80% -90% yog cov kuab tshuaj (dej, propylene glycol, thiab lwm yam); emulsified essence, uas cov kuab tshuaj, emulsifiers, cov pos hniav, stabilizers, pigments, acids thiab antioxidants yog 80% -90%; Hmoov essence, uas cov tshuaj tsw qab suav rau 10% -20% thiab cov neeg nqa khoom suav rau 80% -90%.

Cov tsw qab noj tau yog lub hauv paus ntawm kev tsim cov tsw qab noj tau, thiab nws txoj kev loj hlob tsom mus rau cov tsw qab ntuj thiab (lossis) ua raws li cov tsw qab ntuj. Muaj ntau cov tsw qab zaub mov heterocyclic tshiab uas muaj nitrogen, sulfur thiab oxygen, xws li pyrazine, thiophene thiab furan compounds, tau raug tsim ua ke hauv tsev thiab txawv teb chaws, thiab npaj ntxiv rau hauv cov tsw qab sib txawv, uas siv rau hauv ntau yam zaub mov yooj yim thiab cov zaub mov dag, xws li nqaij nyuj dag, nqaij npuas, nqaij qaib thiab ntses, txhawb kev txhim kho ntawm kev lag luam zaub mov.

Cov tshuaj tsw qab noj tau yog hais txog ntau yam tshuaj tsw qab uas muaj ntxhiab ntuj, uas tau ua tib zoo npaj los ntawm kev xa mus rau qhov saj ntawm cov khoom noj ntuj thiab siv cov txuj lom ntuj thiab cov txuj lom sib npaug. Nws suav nrog ntau yam tshuaj tsw qab xws li dej thiab roj zoo ntawm cov txiv hmab txiv ntoo, mis nyuj, nqaij qaib, nqaij, zaub, txiv ntoo qhuav, khoom qab zib, emulsions, thiab cawv, thiab tsim nyog rau dej haus, ncuav qab zib, ncuav mog qab zib, khoom noj khov, khoom qab zib, cov khoom qab zib, cov khoom noj mis nyuj, cov kaus poom, cawv, thiab lwm yam khoom noj. Cov qauv tshuaj ntawm cov tshuaj tsw qab noj tau suav nrog kua, hmoov, microcapsule, paste, thiab lwm yam.