Biology Reference
In-Depth Information
e.g.
, camelliatannin A; ellagitannins linked to a phenolic or polyphenolic
moiety through an ether linkage,
e.g.
, coriariin B; gluconic acid version
of ellagitannins,
e.g.
, shephagenin A (Yoshida
et al.
, 1996)
Type III
+: dehydroellagitannins linked to a phenolic or polyphenolic
moiety through an ether linkage,
e.g.
, mallotusinic acid (Okuda
et al.
,
1981)
Type IV+
: oxidized dehydroellagitannins linked to a phenolic or
polyphenolic through a C-C bond,
e.g.
, camelliatannin F.
O
H
HO
OH
OH
HO
HO
HO
O
O
O
O
O
O
O
HO
O
OH
O
HO
HO
OH
OH
O
O
O
Heterophylliin E
HO
OH
Phyllanthusiin A : R
1
~R
2
=
A
Phyllanthusiin B : R
1
~R
2
=
B
Phyllanthusiin C : R
1
~R
2
=
C
Repandusinic acid A : R
1
= H, R
2
=
D
Geraniinic acid B : R
1
~R
2
=
E
Geraniinic acid C : R
1
~R
2
=
F
HO
OH
HO
OH
O
O
O
H
OH
O
O
O
O
O
OH
O
O
R
1
R
2
B
C
A
O
HO
HO
O
O
O
O
O
H
H
O
OH
OH
HOOC
OH
OH
OH
OH
O
HOOC
HO
HO
O
O
HO
COOH
D
E
F
HOOC
O
O
O
O
O
H
OH
OH
H
H
O
O
OH
OH
OH
O
O
HOOC
HO
H
HO
OH
O
HOOC
H
OH
COOH
O
