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És una substància sòlida translúcida,
que, segons el tipus, té unes
caracteristiques diferents.
Està formada per un sistema homogeni.
És una mescla heterogènia.
És un col·loide.
84-90% de protina (Proteïna de soja)
1-2% de sal
La resta és aigua i colorant amb gust.
La gelatina és un col·loide i dispersa la llum.
Això és per les partícules i, s’anomena efecte
Tyndall.
Les particules que la formen són de 0,1 m
Experiment.
Gelatina animal
Gelatina agar-agar o vegetal
Gelatina de sucre
El seu nutrient principal és la proteïna ,
s’obté del teixit d’animals i és la menys
utilitzada.
S’obte principalment de les algues gelidium,
euchema i gracilaria i s’utilitza en la medicina.
És la més saludable de les tres.
Es diu gelatina agar-agar perquè aquestes algues
son de color vermell amb les que s’extreu aquesta
substància.
Aquesta és la gelatina comú.
És un aliment que no té cap olor.
Aquest tipus de gelatina està formada per aigua i colorant
amb gust.
• BENEFICIS
Va bé per la cara (Gelatina agar-agar).
Estimulen la construcció muscular. (Gelatina de
sucre)
Estimula el creixement del cabell i de les ungles.
Està recomanada per combatre els trastorns
estomacals
• USOS
Per llaminadures (Gelatina de sucre)
Per càpsules (Gelatina agar agar)
SUBSTÀNCIA PURA MESCLA
HETEROGÈNIA HOMOGÈNIA
COL·LOIDE SUSPENSIÓ
0,1- 0,001 m

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La gelatina: De nois de 2n d'eso a nois de 2n d'eso

  • 1.
  • 2. És una substància sòlida translúcida, que, segons el tipus, té unes caracteristiques diferents. Està formada per un sistema homogeni. És una mescla heterogènia. És un col·loide.
  • 3. 84-90% de protina (Proteïna de soja) 1-2% de sal La resta és aigua i colorant amb gust.
  • 4. La gelatina és un col·loide i dispersa la llum. Això és per les partícules i, s’anomena efecte Tyndall. Les particules que la formen són de 0,1 m Experiment.
  • 5.
  • 6. Gelatina animal Gelatina agar-agar o vegetal Gelatina de sucre
  • 7. El seu nutrient principal és la proteïna , s’obté del teixit d’animals i és la menys utilitzada.
  • 8. S’obte principalment de les algues gelidium, euchema i gracilaria i s’utilitza en la medicina. És la més saludable de les tres. Es diu gelatina agar-agar perquè aquestes algues son de color vermell amb les que s’extreu aquesta substància.
  • 9. Aquesta és la gelatina comú. És un aliment que no té cap olor. Aquest tipus de gelatina està formada per aigua i colorant amb gust.
  • 10. • BENEFICIS Va bé per la cara (Gelatina agar-agar). Estimulen la construcció muscular. (Gelatina de sucre) Estimula el creixement del cabell i de les ungles. Està recomanada per combatre els trastorns estomacals
  • 11. • USOS Per llaminadures (Gelatina de sucre) Per càpsules (Gelatina agar agar)
  • 12. SUBSTÀNCIA PURA MESCLA HETEROGÈNIA HOMOGÈNIA COL·LOIDE SUSPENSIÓ 0,1- 0,001 m