Xylan muaj ntau ntau hauv hardwoods los ntawm angiosperms(15-30% ntawm cov phab ntsa ntawm tes) thiab softwoods los ntawm gymnosperms (7-10%), thiab hauv cov nroj tsuag txhua xyoo (<30%) [6]. Nws yog feem ntau nyob rau hauv cov phab ntsa ntawm cov nroj tsuag, tab sis kuj pom nyob rau hauv thawj cell phab ntsa, tshwj xeeb tshaj yog nyob rau hauv monocots [7].
Xylanase nyob qhov twg hauv tib neeg lub cev?
Cov kws tshawb fawb tau tshawb pom ntau hom kab mob uas muaj nyob hauv tib neeg txoj hnyuv uas tsim xylanase. Txawm li cas los xij, lawv tau txiav txim siab tias cov kab mob no siv yam lawv tsim los rhuav tshem cov fiber ntau thiab siv los ua lub zog, zais me ntsis ntawm cov enzyme rau hauv peb cov hnyuv.
YYam khoom noj twg muaj xylanase?
Xylanase yog siv rau hauv kev lag luam khoom noj rau bread making, kev tsim cov pob kws starch, qhia meej cov kua txiv hmab txiv ntoo thiab cawv; tsiaj pub, thiab cawv fermentation.
Cov kab mob dab tsi tsim xylanase?
2005) Cov kab mob genera, xws li Bacillus, Cellulomonas, Micrococcus, Staphylococcus, Paenibacillus, Arthrobacter, Microbacterium, Pseudoxanthomonas, thiab Rhodothermus tau tshaj tawm los tsim xylanases thiab Premaubra 2000; Beg et al. 2001; Gupta et al. 2001; Chapla et al. 2012).
YYuav ua li cas cov enzyme yog xylanase?
Xylanases belongs rau pawg carbohydrate active enzyme (CAZymes) thiab muab tso rau hauv glycoside hydrolases chav kawm, uas tau muab faib ntxiv rau hauv pawg neeg thiab tsev neeg (Juturu thiab Wu, 2012).