2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Thaum cov khoom noj hmoov txhuv nplej siab-rice, nplej zom, khob cij khob cij-yog siav nyob rau hauv lub xub ntiag ntawm dej, tag nrho cov granules ntawm starch nqus dej thiab o. Cov amylose thiab amylopectin molecules nyob rau hauv cov granules, yav tas los clinging ua ke, so me ntsis thiab sib nrug, cia dej nkag mus rau hauv lawv.
Retrogradation Food Science yog dab tsi?
Retrogradation yog cov txheej txheem txuas ntxiv, uas pib cuam tshuam sai sai ntawm amylose molecules tom qab los ntawm qeeb recrystallization ntawm amylopectin molecules. Amylose retrogradation txiav txim siab thawj zaug hardness ntawm cov hmoov txhuv nplej siab thiab cov nplaum thiab zom cov zaub mov tiav.
Cov txheej txheem retrogradation hauv cov hmoov txhuv nplej siab yog dab tsi?
Abstract: Starch retrogradation yog txheej txheem uas disaggregated amylose thiab amylopectin chains nyob rau hauv ib gelatinized starch paste reassociate los tsim ntau cov qauv txiav txim.
khob cij retrogradation yog dab tsi?
Thaum lub sijhawm ci, cov hmoov txhuv nplej siab hauv cov khob cij nyoos pib gelatinize ntawm li 150 °, txhais tau tias lawv nqus dej noo, o, thiab tom qab ntawd ua ib nrab khov. … Thaum lub ncuav tawm ntawm qhov cub thiab txias kom qis dua qhov kub ntawm gelatinization, cov hmoov txhuv nplej siab reform thiab tawv- hmoov txhuv nplej siab retrogradation.
Puas rov qab los yog qhov phem?
Starch retrogradation tau yog qhov kev tshawb fawb hnyav dhau 50 xyoo dhau los, feem ntau yog vimrau nws detrimental cuam tshuam rau sensory thiab cia zoo ntawm ntau starchy zaub mov. Txawm li cas los xij, cov hmoov txhuv nplej siab rov qab yog qhov xav tau rau qee cov khoom noj uas muaj hmoov txhuv nplej siab nyob rau hauv cov ntsiab lus ntawm textural thiab khoom noj khoom haus.
Pom zoo:
Puas yog cov dab dab dab dab dab dab dab dab dab dab dab dab?
Myth: Ib tug dab tshos tsis yog neeg ncaj ncees yog tiasnws haum yog. Fact: Tu siab, qhov no yog ib lo lus tsis tseeb uas tau raug perpetuated los ntawm aversive trainers. Txawm hais tias haum rau lub caj dab kom zoo khawb rau hauv cov tawv nqaij rhiab nyob ib ncig ntawm lub caj dab, uas ua rau muaj kev puas tsuaj loj rau cov thyroid, esophagus, thiab trachea.
Dab tsi yog qhov txawv ntawm qhov piv txwv thiab piv txwv?
Yog lub ntsiab lus tsis yog "literal" (raws li sau), ces nws yog "figurative". Cov lus "Figurative" tuaj yeem suav nrog cov lus piv txwv, cov lus piv txwv, puns, exaggerations (hyperbole), thiab lwm yam. Puas yog piv txwv thiab piv txwv zoo ib yam?
Qhov twg hauv qab no yog cov piv txwv piv txwv?
Qee yam piv txwv ntawm cov piv txwv piv txwv yog daim duab qhia chaw, duab, duab kos, cov npe sib txuas, thiab cov kab kos. Dab tsi yog qhov piv txwv? Cov sawv cev Analogical ntes qee tus yam ntxwv ntawm qhov lawv sawv cev; symbolic sawv cev tsis muaj kev sib raug zoo rau qhov lawv sawv cev.
Piv txwv thiab qhov sib piv yog dab tsi?
Piv txwv li, yog tias koj xav tsom mus rau qhov sib piv ob yam koj yuav tsis xaiv apples thiab txiv kab ntxwv; es, koj tuaj yeem xaiv los sib piv thiab sib piv ob hom txiv kab ntxwv lossis ob hom txiv apples kom pom qhov sib txawv me ntsis. Piv txwv li, Red Delicious apples qab zib, thaum Granny Smiths yog tart thiab acidic.
Cov piv txwv ntawm hiav txwv epicontinental yog dab tsi?
Ntau yam tam sim no North America tau npog los ntawm lub hiav txwv epicontinental hu ua Lub Sundance Hiav Txwv Sundance Hiav Txwv Sundance yog lub hiav txwv epeiric uas muaj nyob rau hauv North America thaum nruab nrab mus rau lig Jurassic Period ntawm Mesozoic Era.
