Molecular structure of the flavone backbone with numbers
Flavones (from Latin flavus "yellow") are a class of flavonoids based on the backbone of 2-phenylchromen-4-one (2-phenyl-1-benzopyran-4-one) (as shown in the first image of this article).[1][2]
Flavones are common in foods, mainly from spices, and some yellow or orange fruits and vegetables.[1] Common flavones include apigenin (4',5,7-trihydroxyflavone), luteolin (3',4',5,7-tetrahydroxyflavone), tangeritin (4',5,6,7,8-pentamethoxyflavone), chrysin (5,7-dihydroxyflavone), and 6-hydroxyflavone.[1]
^ abc"Flavonoids". Micronutrient Information Center, Linus Pauling Institute, Oregon State University, Corvallis, OR. November 2015. Retrieved 30 March 2018.
^"Flavone". ChemSpider, Royal Society of Chemistry. 2015. Retrieved 30 March 2018.
of this article). Flavones are common in foods, mainly from spices, and some yellow or orange fruits and vegetables. Common flavones include apigenin (4'...
susbstituted derivatives, the flavones and flavonoids are a large class of nutritionally important natural products. Flavone can be prepared in the laboratory...
above are all ketone-containing compounds and as such, anthoxanthins (flavones and flavonols). This class was the first to be termed bioflavonoids. The...
PMID 7870841. Lee H, Kim BG, Kim M, Ahn JH (September 2015). "Biosynthesis of Two Flavones, Apigenin and Genkwanin, in Escherichia coli". Journal of Microbiology...
In enzymology, a flavone synthase (EC 1.14.11.22) is an enzyme that catalyzes the chemical reaction a flavanone + 2-oxoglutarate + O2 ⇌ {\displaystyle...
In enzymology, a flavone apiosyltransferase (EC 2.4.2.25) is an enzyme that catalyzes the chemical reaction UDP-apiose + 5,7,4'-trihydroxyflavone 7-O-beta-D-glucoside...
energy molecule ATP), and other cellular constituents such as vitamins, flavones, and hormones.[citation needed] Their ability to fix gaseous nitrogen makes...
showed the presence of iridoids, anthocyanins, flavonols, flavanonols, flavones, flavan-3-ols, and phenolic acids. While sugars determine the level of...
and cosmetic preparations. Diosmin is a flavone glycoside that is derived from hesperidin. Hesperidin is a flavone that is extracted from citrus fruits....
published in 2017 and 2018. Oregano contains polyphenols, including numerous flavones. The essential oil of oregano is composed primarily of monoterpenoids and...
that give them blacks and browns, as well as uric acid derivatives and flavones that give them yellows, but many of the blues, greens, reds and iridescent...
Berlin, 1969-1979 Wang H, Hui KM, Xu S, Chen Y, Wong JT, Xue H (2002). "Two flavones from Scutellaria baicalensis Georgi and their binding affinities to the...
antioxidants.[citation needed] The polyphenols mainly belonging to the flavones C-glucoside class are present in P. incarnata and these phenols and flavonoids...
alternata which cause deterioration of fruit and vegetables in storage. Flavones isolated from an extract of the herb were shown to have an anti-tumour...
Diosmin (diosmetin 7-O-rutinoside), a flavone glycoside of diosmetin, is manufactured from citrus fruit peels as a phlebotonic non-prescription dietary...
can be used, with somewhat varying results. The yellow color is due to flavones that occur naturally in flour, which are normally colorless but turn yellow...
several types of polyphenols, mainly tyrosols, phenolic acids, flavonols and flavones, and for black olives, anthocyanins. The main bitter flavor of olives before...
good sources of vitamin C. The flavonoids include various flavanones and flavones. Citrus trees hybridise very readily – depending on the pollen source,...
groups based on their similar chemical structure, such as anthocyanins, flavones, flavanones, isoflavones, and flavanols. Flavanols are further classified...
components. It also contains various anti-oxidants, notably carotenoids and flavones. There is some evidence that the oil has anti-inflammatory properties;...
Sinensetin is a methylated flavone. It can be found in Orthosiphon stamineus and in orange oil. GHS: Pubchem Akowuah, G. A.; Ismail, Z.; Norhayati, I...
millet (Pennisetum millet), and in Hawthorn. Goitrogenicity of millet flavones : Vitexin inhibits thyroid peroxidase thus contributing to goiter. Vitexin...
black tea or green tea. Rooibos contains polyphenols, including flavanols, flavones, flavanones, dihydrochalcones, aspalathin and nothofagin. The processed...
diverse array of natural products. Methoxylated and oxygenated flavonols, flavones, and triterpenes accumulate on the vegetative and floral buds as yellow...
Retrieved 2023-02-08. Shankar E, Goel A, Gupta K, Gupta S (2017). "Plant flavone apigenin: An emerging anticancer agent". Current Pharmacology Reports....
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