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Table 1 Cancer Chemopreventive Polyphenols in some Nigerian Foodstuffs

From: Nigerian foodstuffs with prostate cancer chemopreventive polyphenols

S/No

Food

(Common Names)

Foods

(Botanical Names)

Polyphenol Composition

1.

African pear, African plum

Dacryodes edulis fruit

Gallate, methylgallate, catechol, ellagic acid, quercetin and quercetin rhamnoside

2.

Drumstick, Horse Radish Tree

Moringa oleifera

Chlorogenic acid, rutin, quercetin glucoside, kaempferol rhamnoglucoside, procyanidins

3.

African olive

Canarium schweinfurthii Engl

Catechol, p-hydroxybenzaldehyde, dihydroxyphenylacetic acid, tyrosol, p-hydroxybenzoic acid, dihydroxybenzoic acid, vanillic acid, phloretic acid, pinoresinol, secoisolariciresinol

4.

Soursop, Graviola, Brazilian pawpaw

Annona muricata

Annonaceous acetogenins (annomontacin, annomuricatins, annomuricins, annomutacin, annonacin, annonacinone annocatalin, annohexocin, annomonicin, annopentocin, muricins muricatetrocin, longifolicin epomuricenins, epomurinins, gigantetrocins, etc)

5.

Tomatoes

Lycopersicon esculentum Mill

Lycopene

6.

Cabbage

Brassica oleracea

Indole-3-carbinol

7.

Soya beans

(Glycine max)

Isoflavones (daidzein and genistein)

8.

Green tea

Camellia sinensis

(-) epigallocatechin gallate (EGCG), (-) epicatechin, (-) epicatechin-3-gallate and (-) epigallocatechin -3-gallate

9.

Chili pepper

Capsicum spp

Capsaicin

10.

Citrus fruits

Citrus spp

Pectins, Limonoids