17.3 Marine Sources for Pharmacological Effect
17.3.1 Anti-cancer
Cancer is a frightful human disease and has become a major burden to human
worldwide. According to a recent report in 2015, 90.5 million people have been
suffering from cancer and about 14.1 million new cases occurring a year with 8.8
million death. According to an estimate of 2021, 21 million new cases of cancer are
O H
O
O H
O H
O
R 1
R 2
R 3
R 4
O H
O
O
O
O
O
O
O
O
E -stilbene
O
O
anthraquinones
phenolic acid
hyd roxycinnam ic acid s
phenols
coum arines
xanthones
naphthoquinones
f lavone
Fig. 17.4 Structure of various polyphenolic derivatives
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D. Pal and K. Raj