Table 1.

Flavonoids, their classes and rich dietary sources

Serial no.	Flavonoid	Class	Dietary sources	References
1	Quercetin	Flavonols	Vegetables, fruits and beverages, spices, soups, fruit juices	Hertog et al.(26); Justesen & Knuthsen(27); Stewart et al.(28); Zheng & Wang(29)
2	Rutin	Flavonols	Green tea, grape seeds, red pepper, apple, citrus fruits, berries, peaches	Atanassova & Bagdassarian(30); Gudrais(31); Chang et al.(32); Malagutti et al.(33)
3	Macluraxanthone	Xanthones	Maclura tinctoria (Hedge apple), Dyer's mulberry	Khan et al.(34)
4	Genistein	Isoflavone	Fats, oils, beef, red clover, soyabeans, psoralea, lupin, fava beans, kudzu, psoralea	Thompson et al.(35); Umpress et al.(36); Krenn et al.(37); Coward et al.(38); Kaufman et al.(39)
5	Scopoletin	Coumarin	Vinegar, dandelion coffee	Gálvez et al.(40)
6	Daidzein	Isoflavone	Soyabeans, tofu	Zhang et al.(41)
7	Taxifolin	Flavanonol	Vinegar	Cerezoa et al.(42)
8	Naringenin	Flavanone	Grapes	Felgines et al.(43)
9	Abyssinones	Flavanone	French bean seeds	Rathmell & Bendall(44); Cruickshank et al.(45)
10	Rutin	Flavonol	Citrus fruits, apple, berries, peaches	Cruickshank et al.(45); Chang et al.(32)
11	Eriodictyol	Flavanone	Lemons, rosehips	Hvattum(46)
12	Fisetin	Flavonol	Strawberries, apples, persimmons, onions, cucumbers	Sahu et al.(47)
13	Theaflavin	Catechins	Tea leaves, black tea, oolong tea	Leung et al.(48)
14	Peonidin	Anthocyanidin	Cranberries, blueberries, plums, grapes, cherries, sweet potatoes	Truong et al.(49)
15	Diosmetin	Flavone	Vetch	Andreeva et al.(50)
16	Tricin	Flavone	Rice bran	Cai et al.(51)
17	Biochanin	Isoflavone	Red clover, soya, alfalfa sprouts, peanuts, chickpeas (Cicer arietinum), other legumes	Medjakovic & Jungbauer(52)
18	Hesperidin	Flavanone	Bitter orange, petit grain, orange, orange juice, lemon, lime	National Agricultural Library(53); Khan et al.(34)
19	Epicatechin	Flavan-3-ols	Milk, chocolate, commercial, reduced fat	Arts et al.(54)
20	Myricetin	Flavonols	Vegetables, fruits, nuts, berries, tea, red wine	Ross & Kasum(55); Basli et al.(56)
21	Taxifolin	Flavanonol	Citrus fruits	Grayer & Veitch(57); Kawaii et al.(58)
22	Kaempferol	Flavonols	Apples, grapes, tomatoes, green tea, potatoes, onions, broccoli, Brussels sprouts, squash, cucumbers, lettuce, green beans, peaches, blackberries, raspberries, spinach	Calderon-Montaño et al.(59); Liu(60); Kim & Choi(61)
23	Luteolin	Flavones	Celery, broccoli, green pepper, parsley, thyme, dandelion, perilla, chamomile tea, carrots, olive oil, peppermint, rosemary, navel oranges, oregano	Kayoko et al.(62); López-Lázaro(63)
24	Apigenin	Flavones	Milk, chocolate, commercial, reduced fat	Hertog et al.(26)