He pūmua tūturu, he pūmua hangai rānei te cellulose?

He pūmua tūturu, he pūmua hangai rānei te cellulose?

CelluloseHe pūhui taiao te pūhui, he wāhanga nui o ngā pakitara pūtau o ngā tipu. Ko tētahi o ngā matū waro tino nui o te Ao, ā, he rauemi hanganga i roto i te ao tipu. Ina whakaaro tātou ki te cellulose, he maha ngā wā ka honoa e tātou ki tōna aroaro i roto i te rakau, te miro, te pepa, me ētahi atu rauemi tipu.

Ko te hanganga o te cellulose he mekameka roa o ngā ngota huka e honoa ana mā roto i ngā hononga beta-1,4-glycosidic. Kua whakaritea ēnei mekameka kia taea ai e rātou te hanga i ngā hanganga pakari, muka. Nā te whakaritenga ahurei o ēnei mekameka ka hoatu ki te cellulose ōna āhuatanga miihini whakamiharo, ka waiho hei wāhanga matua hei tautoko i ngā tipu.

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Ko te tukanga hanga pūtau i roto i ngā tipu e pā ana ki te whākōkī pūtau pūtau, arā, te cellulose synthase, e whakakotahi ana i ngā ngota hukahuka hei mekameka roa, ā, ka tukuna ki roto i te pakitara pūtau. Ka puta tēnei tukanga i roto i ngā momo pūtau tipu, ka whai wāhi ki te kaha me te pakari o ngā kiko tipu.

Nā te nui me ōna āhuatanga ahurei, he maha ngā whakamahinga o te cellulose i tua atu i tōna tūranga i roto i te koiora tipu. Ka whakamahia e ngā ahumahi te cellulose hei hanga pepa, kakahu (pēnei i te miro), me ētahi momo wahie koiora. Hei tāpiri, ko ngā hua cellulose pēnei i te cellulose acetate me te cellulose ethers e whakamahia ana i roto i te whānuitanga o ngā hua, tae atu ki ngā rongoā, ngā tāpiringa kai, me ngā paninga.

I aheruroHe pūmua tūturu ia, kua whakawhanakehia e te tangata ngā tukanga hei whakarerekē me te whakamahi i roto i ngā huarahi maha. Hei tauira, ka taea e ngā maimoatanga matū te whakarerekē i ōna āhuatanga kia pai ake ai mō ngā tono motuhake. Heoi, ahakoa i roto i ngā āhua kua whakarerekētia, ka mau tonu te cellulose i ōna takenga tūturu taketake, ka waiho hei rauemi maha-whakamahinga me te whai hua i roto i ngā horopaki taiao me ngā horopaki hangarau.


Wā tuku: Paenga-whāwhā-24-2024