Table 1.

Common derivatives of flavones and their source.

Flavone	Hydroxyl Position	Modifications	Source	Ref.
Chrysin	5, 7	-	Bitter melon, wild Himalayan pear, honey, propolis, passion flowers, oyster mushroom	[25]
Apigenin	5, 7, 4′	-	Parsley, celery, onions, chamomile, thyme, basil, oregano, artichoke	[22,29]
Apigetrin	5, 7, 4′	7-O-glycoside	Dandelion	[45]
Acacetin	5, 7, 4′	4′- OCH3	Black locust, silver birch	[46]
Vitexin	5, 7, 4′	8-C-glycoside	Passion flower, chasteberry, bamboo, Hawthorn, fenugreek	[19,47]
Baicalein	5, 6, 7	-	Thyme, Scutellaria baicalensis	[26]
Baicalin	5, 6, 7	7-O-glycoside	Scutellaria baicalensis, Oroxylum indicum	[26]
Wogonin	5, 7, 8	8-OCH3	Scutellaria baicalensis	[26]
Luteolin	5, 7, 3′, 4′	-	Celery, broccoli, bell pepper, parsley, thyme, carrots, rosemary, chamomile, oregano, green onions, fennel, sage	[22,48]
Diosmetin	5, 7, 3′, 4′	4′-OCH3	Caucasian vetch, citrus fruit	[48]
Diosmin	5, 7, 3′, 4′	7-O-rutinoside, 4′-OCH3	Citrus fruit	[48]
Cynaroside	5, 7, 3′, 4′	7-O-glycoside	Cumin	[49]
Orientin	5, 7, 3′, 4′	8-C-glycoside	Passion flower, buckwheat sprouts, millets	[50]
Isoorientin	5, 7, 3′, 4′	6-C-glycoside	Passion flower, Acai palm	[50,51]
Scutellarein	5, 6, 7, 4′	-	Scutellaria baicalensis	[26]
Scutellarin	5, 6, 7, 4′	7-O-glucurinide	Scutellaria baicalensis	[26]
Tangeretin	5, 6, 7, 8, 4′	4′-OCH3	Citrus fruit	[48]
Nobiletin	5, 6, 7, 8, 3′, 4′	4′-OCH3	Citrus fruit	[48]