Flavanone
Encyclopedia
The flavanones are a type of flavonoid
Flavonoid
Flavonoids , are a class of plant secondary metabolites....

s. They are generally glycosylated by a disaccharide
Disaccharide
A disaccharide or biose is the carbohydrate formed when two monosaccharides undergo a condensation reaction which involves the elimination of a small molecule, such as water, from the functional groups only. Like monosaccharides, disaccharides form an aqueous solution when dissolved in water...

 at position seven to give flavanone glycosides.

List of flavanones

  • Butin
  • Eriodictyol
    Eriodictyol
    Eriodictyol is a bitter-masking flavanone, a flavonoid extracted from Yerba Santa , a plant native to North America...

  • Hesperetin
    Hesperetin
    Hesperetin is a bioflavonoid and, to be more specific, a flavanone. Hesperidin is water-soluble due to the presence of the sugar part in its structure, so on ingestion it releases its aglycone, i.e, hesperetin....

  • Hesperidin
    Hesperidin
    Hesperidin is a flavanone glycoside found abundantly in citrus fruits. Its aglycone form is called hesperetin. Its name is derived from the Hesperides nymphs of Greek mythology. Hesperidin is believed to play a role in plant defense. It acts as an antioxidant according to in vitro studies...

  • Homoeriodictyol
    Homoeriodictyol
    Homoeriodictyol is a bitter-masking flavanone extracted from Herba Santa a plant growing in America.Homoeriodictyol is one of the 4 flavanones identified by Symrise in this plant eliciting taste-modifying property: homoeriodictyol sodium salt, eriodictyol and sterubin...

  • Isosakuranetin
    Isosakuranetin
    Isosakuranetin is a flavanone, a type of flavonoid. It can be found in the fruit of Citrus sinensis , in the fruit of Citrus x paradisi and in Monarda didyma ....

  • Naringenin
    Naringenin
    Naringenin is a flavanone, a type of flavonoid, that is considered to have a bioactive effect on human health as antioxidant, free radical scavenger, anti-inflammatory, carbohydrate metabolism promoter, and immune system modulator. It is the predominant flavanone in grapefruit.-Biological...

  • Naringin
    Naringin
    Naringin is a flavanone glycoside. It is a major flavonoid in grapefruit and gives the grapefruit juice its bitter taste. It is metabolized to the flavanone naringenin in humans...

  • Pinocembrin
    Pinocembrin
    Pinocembrin is a flavanone, a type of flavonoid. It is an antioxidant found in damiana , honey and propolis.It can be further biosynthetized to pinobanksin, by hydroxylating the C ring.-Structure and Chemical Properties:...

  • Poncirin
    Poncirin
    Poncirin is the 7-O-neohesperidoside of isosakuranetin. Poncirin can be extracted from trifoliate orange ....

  • Sakuranetin
    Sakuranetin
    Sakuranetin is a flavanone, a type of flavonoid. It can be found in Polymnia fruticosa and rice, where it acts as a phytoalexin against spore germination of Pyricularia oryzae.-Metabolism:...

  • Sakuranin
    Sakuranin
    Sakuranin is a flavanone, a type of flavonoid. It is the -O-glucoside of sakuranetin. It can be found in Prunus sp....

  • Sterubin
    Sterubin
    Sterubin is a bitter-masking flavanone extracted from Herba Santa a plant growing in America....


Metabolism

The enzyme chalcone isomerase
Chalcone isomerase
In enzymology, a chalcone isomerase is an enzyme that catalyzes the chemical reactionHence, this enzyme has one substrate, a chalcone, and one product, a flavanone....

 uses a chalcone
Chalconoid
Chalconoids, also known as chalcones, are natural phenols related to chalcone. They form the central core for a variety of important biological compounds. They show antibacterial, antifungal, antitumor and anti-inflammatory properties...

-like compound to produce a flavanone.

Flavanone 4-reductase
Flavanone 4-reductase
In enzymology, a flavanone 4-reductase is an enzyme that catalyzes the chemical reaction-flavan-4-ol + NADP+ \rightleftharpoons -flavanone + NADPH + H+...

 is an enzyme that uses (2S)-flavan-4-ol
Flavan-4-ol
The flavan-4-ols are flavone-derived alcohols and a family of flavonoids. Flavan-4-ols are colorless precursor compounds that polymerize to form red phlobaphene pigments. They can be found in the sorghum...

and NADP+ to produce (2S)-flavanone, NADPH, and H+.
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