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O
HH
HO
H
HO
H
O
HH
HO
H
H
H
O
HH
HO
H
H
O
HH
OH
HO
H
H
OH
OOH
OH
OH
O
OH
OH
O
HOH
H
Manan
O
HH
HO
H
HO
H
O
HH
HO
H
H
H
O
HH
HO
H
H
O
HH
OH
HO
H
H
OH
OOH
OH
OH
O
OH
OH
O
HOH
H
OH
H
H
O
HH
HO
H
HO
H
O
HH
HO
H
H
H
OH
OOH
OH
OH
H
OH
O
HH
OH
HO
H
H
HOH
OHHO
Oligomanan
Manobiosa
Manosa
Serat manan
Hidrolisis Protein
C
R1
H
H2N C
O
NH C C OH
H O
R2
H2O C
R1
H
H2N C
O
OH + C
R2
H
HN C
O
OHH
Dipeptida Asam amino 1 Asam amino 2
α-D-galaktosidase
β-mananaseβ-mananase
Hidrolisis galaktomanan oleh mananase
+
Reaksi gula pereduksi dengan DNS
O
H
H
HO
OH
H
HH
OH
O
H
O
H
HO
OH
H
HHO
O
O
H
H
HO
OH
H
HH
OH
O
H
O
H
HO
OH
H
HH
OH
O
OH
H
OH
HO
H
OHHH
OH
OH
O
OH
H
H
HO
H
OHHH
OH
Galaktomanan
Galaktosa
Hidrolisis galaktomanan menjadi galaktosa
O
H
H
HO
OH
H
HH
OH
O
H
O
H
HO
OH
H
HHO
OH
O
H
H
HO
OH
H
HH
OH
O
H
O
H
HO
OH
H
HH
OH
OH
O
H
HO
H
HO
H
OHHOH
OH
Glukomanan
Glukosa
Hidrolisis glukomanan menjadi glukosa
OHOH2C
O
OHOH2C
O OH2C
OO
HOH2C
OO
HOH2C
O OH2C
OO
OHO
H2CO
O O O
H2C
O
OHOH2C
OHOH2C
OO
HOH2C OHOH2C
-D-galaktosidase
ekso--D-mananase
endo--D-mananase
OHOH2C
O
OHOH2C
O OH3C
OO
HOH2C
OO
HOH2C
O OH3C
OO
OHO
H3CO
H2C
O
OHOH2C
OHOH2C
OO
HOH2C OHOH2C
-D-galaktosidase
manosa
OHOH2C
OHOH2C
OHOH2C
-D-manosidase
manobiosa
Hidrolisis serat oleh enzim mananase
HO
NH2
OH
O
Struktur L-tirosin
H3PO4(MoO3)13 +
OH
+ H2O
O
O
+ H3(PMo13O40)
Pereaksi Folin Ciocalteu
Fenol
Kuinon
Kompleks molibdenum biru
Reaksi fenol dengan reagen Folin Ciocalteu