Eseesega i le va o le hydroxypropyl starch ma le Hydroxypropyl methyl cellulose

Eseesega i le va o le hydroxypropyl starch ma le Hydroxypropyl methyl cellulose

Hydroxypropyl starch ma le hydroxypropyl methyl cellulose (HPMC) o ni polysaccharides ua suia uma e faʻaaogaina i pisinisi eseese, e aofia ai meaʻai, vailaʻau, mea teuteu, ma le fausiaina.A'o latou fefa'asoaa'i ni mea e tutusa ai, e iai a latou eseesega ma'oti i tulaga o vaila'au, meatotino, ma fa'aoga.O le eseesega tele nei i le va o le hydroxypropyl starch ma le HPMC:

Fa'atonuga vaila'au:

  1. Hydroxypropyl Starch:
    • Hydroxypropyl starch ose fetuutuunai masoa e maua mai i le fa'aofiina o vaega hydroxypropyl i luga o le mole mole.
    • O le masoa o se polysaccharide o lo'o fausia i iunite kulukose e feso'ota'i fa'atasi e noataga glycosidic.Hydroxypropylation e aofia ai le suia o vaega hydroxyl (-OH) i le mole mole masoa ma hydroxypropyl (-CH2CHOHCH3) vaega.
  2. Hydroxypropyl Methyl Cellulose (HPMC):
    • O le HPMC o se ether cellulose ua suia e ala i le tuʻuina atu o vaega hydroxypropyl ma methyl i luga o le mole mole cellulose.
    • O le cellulose o se polysaccharide o lo'o fausia i iunite kulukose e feso'ota'i fa'atasi e fusi β(1→4) glycosidic.Hydroxypropylation fa'afeiloa'i vaega hydroxypropyl (-CH2CHOHCH3), a'o methylation fa'afeiloa'i vaega methyl (-CH3) i luga o le cellulose backbone.

Meatotino:

  1. Solubility:
    • Hydroxypropyl starch e masani ona solu ile vai vevela ae e mafai ona fa'aalia le fa'atapula'aina ole solu ile vai malulu.
    • E solu le HPMC i vai malulu ma vai vevela, ma fa'atupu ai ni vaifofo manino ma viscous.O le solubility o le HPMC e fa'alagolago i le tikeri o le suitulaga (DS) ma le mamafa mole o le polymer.
  2. Viscosity:
    • Hydroxypropyl starch e mafai ona fa'aalia ai mea e fa'aleleia ai le viscosity, ae o lona viscosity e masani ona maualalo pe a fa'atusatusa i le HPMC.
    • Ua lauiloa HPMC mo lona mafiafia lelei ma le viscosity-suia meatotino.O le viscosity o HPMC solutions e mafai ona fetuunai e ala i le fesuiaʻiina o le polymer concentration, DS, ma le mamafa mole.

Talosaga:

  1. Mea'ai ma Fale Talavai:
    • Hydroxypropyl starch e masani ona faʻaaogaina e avea o se mafiafia, faʻamautu, ma gelling agent i meaʻai e pei o soups, sosi, ma suamalie.E mafai foʻi ona faʻaaogaina i vailaʻau faʻamaʻi.
    • O le HPMC e masani ona faʻaaogaina i meaʻai, vailaʻau, ma mea teuteu e pei o se mafiafia, emulsifier, stabilizer, ata tifaga muamua, ma le faʻasaʻoina o le sui.E masani ona maua i oloa e pei o fualaau, suauu, kulimi, ma mea tau tausiga a le tagata lava ia.
  2. Faufale ma Mea Faufale:
    • O le HPMC o loʻo faʻaaogaina tele i fale faufale e fai ma faʻaopoopoga i oloa faʻavae sima e pei o faʻapipiʻi taʻavale, morta, renders, ma plasters.E maua ai le fa'atumauina o le vai, fa'aogaina, fa'apipi'i, ma fa'aleleia atili le fa'atinoga i nei talosaga.

Fa'ai'uga:

E ui o le hydroxypropyl starch ma le HPMC o lo'o suia polysaccharides ma fa'atusa fa'atinoga, e iai a latou vaila'au ma'oti, meatotino, ma fa'aoga.Hydroxypropyl starch o lo'o fa'aaoga muamua i mea'ai ma vaila'au, a'o HPMC e maua le fa'aoga tele i mea'ai, vaila'au, mea teuteu, ma mea faufale.Ole filifiliga ile va ole hydroxypropyl starch ma le HPMC e fa'alagolago ile mana'oga fa'apitoa ole talosaga fa'atatau.


Taimi meli: Feb-10-2024