Category:FL

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Line 29: Line 29:
 
!colspan="3"|1st Class
 
!colspan="3"|1st Class
 
|- valign="top"
 
|- valign="top"
|align="center"|FL1:[[:Category:FL1|Aurone and Chalcone]]<br>[[Image:Fl1.png|100px]]
+
|align="center"|[[:Category:FL1|FL1: Aurone and Chalcone]]<br>[[Image:Fl1.png|100px]]
|align="center"|FL2:[[:Category:FL2|Flavanone]]<br>[[Image:Fl2.png|100px]]
+
|align="center"|[[:Category:FL2|FL2: Flavanone]]<br>[[Image:Fl2.png|100px]]
|align="center"|FL3:[[:Category:FL3|Flavone]]<br>[[Image:Fl3.png|100px]]
+
|align="center"|[[:Category:FL3|Fl3: Flavone]]<br>[[Image:Fl3.png|100px]]
 
|- valign="top"
 
|- valign="top"
 
|
 
|
Line 38: Line 38:
 
  ! colspan="2"|2nd Class
 
  ! colspan="2"|2nd Class
 
  |-
 
  |-
  |FL1A||[[:Category:FL1A|Aurone]]<br>[[Image:Fl1a.png|90px]]
+
  |[[:Category:FL1A|FL1A]]||[[:Category:FL1A|Aurone]]<br>[[Image:Fl1a.png|90px]]
 
  |-
 
  |-
  |FL1B||[[:Category:FL1B|Auronol]]<br>[[Image:Fl1b.png|90px]]
+
  |[[:Category:FL1B|FL1B]]||[[:Category:FL1B|Auronol]]<br>[[Image:Fl1b.png|90px]]
 
  |-
 
  |-
  |FL1C||[[:Category:FL1C|Chalcone]]<br>[[Image:Fl1c.png|90px]]
+
  |[[:Category:FL1C|FL1C]]||[[:Category:FL1C|Chalcone]]<br>[[Image:Fl1c.png|90px]]
 
  |-
 
  |-
  |FL1D||[[:Category:FL1D|Dihydrochalcone]]<br>[[Image:Fl1d.png|120px]]
+
  |[[:Category:FL1D|FL1D]]||[[:Category:FL1D|Dihydrochalcone]]<br>[[Image:Fl1d.png|120px]]
 
  |}
 
  |}
|align="center" valign="center"| FL2F: [[:Category:FL2F|Flavanone]]
+
|align="center" valign="center"| [[:Category:FL2F|FL2F: Flavanone]]
 
<!---{| class="collapsible collapsed" border="1" cellspacing="0" width="150"
 
<!---{| class="collapsible collapsed" border="1" cellspacing="0" width="150"
 
  |-
 
  |-
 
  ! colspan="2"|2nd Class
 
  ! colspan="2"|2nd Class
 
  |-
 
  |-
  ||FL2F||[[:Category:FL2F|Flavanone]]
+
  |[[:Category:FL2F|FL2F]]||[[:Category:FL2F|Flavanone]]
 
  |}--->
 
  |}--->
 
|align="center" valign="center"|FL3F: [[:Category:FL3F|Flavone]]
 
|align="center" valign="center"|FL3F: [[:Category:FL3F|Flavone]]
 
|- valign="top"
 
|- valign="top"
|align="center"|FL4: [[:Category:FL4|Dihydroflavonol]]<br>[[Image:Fl4.png|100px]]
+
|align="center"|[[:Category:FL4|FL4: Dihydroflavonol]]<br>[[Image:Fl4.png|100px]]
|align="center"|FL5: [[:Category:FL5|Flavonol]]<br>[[Image:Fl5.png|100px]]
+
|align="center"|[[:Category:FL5|FL5: Flavonol]]<br>[[Image:Fl5.png|100px]]
|align="center"|FL6: [[:Category:FL6|Flavan]]<br>[[Image:Fl6.png|100px]]
+
|align="center"|[[:Category:FL6|FL6: Flavan]]<br>[[Image:Fl6.png|100px]]
 
|- valign="top"
 
|- valign="top"
|align="center"| FL4D: [[:Category:FL4D|Dihydroflavonol]]
+
|align="center"| [[:Category:FL4D|FL4D: Dihydroflavonol]]
|align="center"| FL5F: [[:Category:FL5F|Flavonol]]
+
|align="center"| [[:Category:FL5F|FL5F: Flavonol]]
 
||
 
||
 
  {| class="collapsible collapsed" border="1" cellspacing="0" width="150"
 
  {| class="collapsible collapsed" border="1" cellspacing="0" width="150"
Line 66: Line 66:
 
  ! colspan="2"|2nd Class
 
  ! colspan="2"|2nd Class
 
  |-
 
  |-
  |FL6F||[[:Category:FL6F|Flavan]]<br>[[Image:Fl6f.png|90px]]
+
  |[[:Category:FL6F|FL6F]]||[[:Category:FL6F|Flavan]]<br>[[Image:Fl6f.png|90px]]
 
  |-
 
  |-
  |FL63||[[:Category:FL63|Flavan 3-ol]]<br>[[Image:Fl63.png|90px]]
+
  |[[:Category:FL63|FL63]]||[[:Category:FL63|Flavan 3-ol]]<br>[[Image:Fl63.png|90px]]
 
  |-
 
  |-
  |FL64||[[:Category:FL64|Flavan 4-ol]]<br>[[Image:Fl64.png|90px]]
+
  |[[:Category:FL64|FL64]]||[[:Category:FL64|Flavan 4-ol]]<br>[[Image:Fl64.png|90px]]
 
  |-
 
  |-
  |FL6D||[[:Category:FL6D|Flavan 3,4-diol]]<br>[[Image:Fl6d.png|90px]]
+
  |[[:Category:FL6D|FL6D]]||[[:Category:FL6D|Flavan 3,4-diol]]<br>[[Image:Fl6d.png|90px]]
 
  |}
 
  |}
 
|- valign="top"
 
|- valign="top"
|align="center"|FL7: [[:Category:FL7|Anthocyanin]]<br>[[Image:Fl7.png|100px]]
+
|align="center"|[[:Category:FL7|FL7: Anthocyanin]]<br>[[Image:Fl7.png|100px]]
|align="center"|FLI: [[:Category:FLI|Isoflavonoid]]<br>[[Image:Fli.png|100px]]
+
|align="center"|[[:Category:FLI|FLI: Isoflavonoid]]<br>[[Image:Fli.png|100px]]
|align="center"|FLN: [[:Category:FLN|Neoflavonoid]]<br>[[Image:Fln.png|75px]]
+
|align="center"|[[:Category:FLN|FLN: Neoflavonoid]]<br>[[Image:Fln.png|75px]]
 
|- valign="top"
 
|- valign="top"
 
|
 
|
Line 84: Line 84:
 
  ! colspan="2"|2nd Class
 
  ! colspan="2"|2nd Class
 
  |-
 
  |-
  |FL7A||[[:Category:FL7A|Anthocyanin]]<br>[[Image:Fl7a.png|90px]]
+
  |[[:Category:FL7A|FL7A]]||[[:Category:FL7A|Anthocyanin]]<br>[[Image:Fl7a.png|90px]]
 
  |-
 
  |-
  |FL7D||[[:Category:FL7D|3-Desoxyanthocyanin]]<br>[[Image:Fl7d.png|90px]]
+
  |[[:Category:FL7D|FL7D]]||[[:Category:FL7D|3-Desoxyanthocyanin]]<br>[[Image:Fl7d.png|90px]]
 
  |}
 
  |}
 
||
 
||
Line 93: Line 93:
 
  ! colspan="2"|2nd Class
 
  ! colspan="2"|2nd Class
 
  |-
 
  |-
  |FLIA||[[:Category:FLIA|Isoflavone]]<br>[[Image:Flia.png|90px]]
+
  |[[:Category:FLIA|FLIA]]||[[:Category:FLIA|Isoflavone]]<br>[[Image:Flia.png|90px]]
 
  |-
 
  |-
  |FLIB||[[:Category:FLIB|Isoflavanone]]<br>[[Image:Flib.png|90px]]
+
  |[[:Category:FLIB|FLIB]]||[[:Category:FLIB|Isoflavanone]]<br>[[Image:Flib.png|90px]]
 
  |-
 
  |-
  |FLIC||[[:Category:FLIC|Isoflavan]]<br>[[Image:Flic.png|90px]]
+
  |[[:Category:FLIC|FLIC]]||[[:Category:FLIC|Isoflavan]]<br>[[Image:Flic.png|90px]]
 
  |-
 
  |-
  |FLID||[[:Category:FLID|Pterocarpane]]<br>[[Image:Flid.png|90px]]
+
  |[[:Category:FLID|FLID]]||[[:Category:FLID|Pterocarpane]]<br>[[Image:Flid.png|90px]]
 
  |-
 
  |-
  |FLIE||[[:Category:FLIE|Coumestan]]<br>[[Image:Flie.png|90px]]
+
  |[[:Category:FLIE|FLIE]]||[[:Category:FLIE|Coumestan]]<br>[[Image:Flie.png|90px]]
 
  |-
 
  |-
  |FLIF||[[:Category:FLIF|Rotenoid]]<br>[[Image:Flif.png|90px]]
+
  |[[:Category:FLIF|FLIF]]||[[:Category:FLIF|Rotenoid]]<br>[[Image:Flif.png|90px]]
 
  |-
 
  |-
  |FLIG||[[:Category:FLIG|Coumaranochromone]]<br>[[Image:Flig.png|90px]]
+
  |[[:Category:FLIG|FLIG]]||[[:Category:FLIG|Coumaranochromone]]<br>[[Image:Flig.png|90px]]
 
  |-
 
  |-
  |FLIH||[[:Category:FLIH|3-Arylcoumarin]]<br>[[Image:Flih.png|90px]]
+
  |[[:Category:FLIH|FLIH]]||[[:Category:FLIH|3-Arylcoumarin]]<br>[[Image:Flih.png|90px]]
 
  |-
 
  |-
  |FLII||[[:Category:FLII|2-Arylbenzofuran]]<br>[[Image:Flii.png|90px]]
+
  |[[:Category:FLII|FLII]]||[[:Category:FLII|2-Arylbenzofuran]]<br>[[Image:Flii.png|90px]]
 
  |-
 
  |-
  |FLIJ||[[:Category:FLIJ|alpha-Methoxynbenzoin]]<br>[[Image:Flij.png|90px]]
+
  |[[:Category:FLIJ|FLIJ]]||[[:Category:FLIJ|alpha-Methoxynbenzoin]]<br>[[Image:Flij.png|90px]]
 
  |}
 
  |}
 
||
 
||
Line 118: Line 118:
 
  ! colspan="2"|2nd Class
 
  ! colspan="2"|2nd Class
 
  |-
 
  |-
  |FLNA||[[:Category:FLNA|4-Arylcoumarin]]<br>[[Image:Flna.png|72px]]
+
  |[[:Category:FLNA|FLNA]]||[[:Category:FLNA|4-Arylcoumarin]]<br>[[Image:Flna.png|72px]]
 
  |-
 
  |-
  |FLNB||[[:Category:FLNB|4-Arylchroman]]<br>[[Image:Flnb.png|72px]]
+
  |[[:Category:FLNB|FLNB]]||[[:Category:FLNB|4-Arylchroman]]<br>[[Image:Flnb.png|72px]]
 
  |-
 
  |-
  |FLNC||[[:Category:FLNC|Dalbergiquinol]]<br>[[Image:Flnc.png|72px]]
+
  |[[:Category:FLNC|FLNC]]||[[:Category:FLNC|Dalbergiquinol]]<br>[[Image:Flnc.png|72px]]
 
  |-
 
  |-
  |FLND||[[:Category:FLND|Dalbergione]]<br>[[Image:Flnd.png|65px]]
+
  |[[:Category:FLND|FLND]]||[[:Category:FLND|Dalbergione]]<br>[[Image:Flnd.png|65px]]
 
  |-
 
  |-
  |FLNE||[[:Category:FLNE|Neoflavene]]<br>[[Image:Flne.png|50px]]
+
  |[[:Category:FLNE|FLNE]]||[[:Category:FLNE|Neoflavene]]<br>[[Image:Flne.png|50px]]
 
  |-
 
  |-
  |FLNF||[[:Category:FLNF|Coumarinic acid]]<br>[[Image:Flnf.png|72px]]
+
  |[[:Category:FLNF|FLNF]]||[[:Category:FLNF|Coumarinic acid]]<br>[[Image:Flnf.png|72px]]
 
  |}
 
  |}
 
|}
 
|}

Revision as of 00:25, 23 March 2008

Figure 1: The Backbone of Flavonoid Structure

Contents

FL: Flavonoid

The word "flavonoid" comes from its Latin origin flavus (yellow) with oid, meaning yellow-ish. It is probably due to its function as (yellow) flower pigments. Chemically speaking, it is a class of plant secondary metabolites that have two benzene rings (each called A-ring and B-ring) connected by a chain of three carbons (Figure 1). The carbon chain, corresponding to the numbers 2,3,4 in Figure 1, is linked to a hydroxyl group in the A-ring to form the C-ring. The class of flavonoids are usually determined by the modification pattern of the C-ring (Table 1).

Flavonoid is utilized in many industrial processes from pigments to food additives. Often heard names include anthocyanin, catechin, flavan (tea), and isoflavone.

フラボノイドの語源は、ラテン語のflavus (黄色)に「~のような」という意味のoidをつけたものです。黄色を含む花の色素がフラボノイドだからかもしれません。 化学的な定義でフラボノイドとは、ベンゼン環2個(それぞれA環B環と呼ばれる)を3つの炭素(C)で結合した、植物の代謝産物の総称です(Figure 1)。 Figure 1において2,3,4と番号付けされた炭素鎖はA環の水酸基と結合してC環を構成します。フラボノイドのカテゴリーはたいていC環の修飾パターンで決まります(Table 1)。

フラボノイドの用途は色素から食品添加物まで多様です。よく耳にするものでは、アントシアニン、カテキン、フラバン(茶)、イソフラボンなど、全てフラボノイドです。

Table 1. Flavonoid Classification
1st Class
FL1: Aurone and Chalcone
Fl1.png
FL2: Flavanone
Fl2.png
Fl3: Flavone
Fl3.png
FL2F: Flavanone FL3F: Flavone
FL4: Dihydroflavonol
Fl4.png
FL5: Flavonol
Fl5.png
FL6: Flavan
Fl6.png
FL4D: Dihydroflavonol FL5F: Flavonol
FL7: Anthocyanin
Fl7.png
FLI: Isoflavonoid
Fli.png
FLN: Neoflavonoid
Fln.png

Biosynthesis

Flavonoid is synthesized through the phenylpropanoid-acetate pathway in all higher plants. It is responsible for many biological activities including pigments, anti-oxidative or anti-allergic agents, and signaling elements in nodule formation. Some of them are quite familiar in our daily life.

一般にポリフェノール類は

  1. フェニルプロパノイドパスウェイから生合成されるもの と
  2. 酢酸-マロン酸パスウェイから生合成されるもの
にわかれます。たとえば、1では、クマリン、リグナン、リグニンなどが生合成され、2の酢酸-マロン酸経路では、アントラキノンが知られています。 フラボノイドは、上記2つの脂肪酸フェニルプロパノイドパスウェイと酢酸-マロン酸パスウェイとの組み合わせにより生合成されます。同様のパスウェイから生成される産物には、キサントン、スチルベンなどがあります。

Records in this database

This database collects original references that report identification of flavonoid in various plant species. The database consists of three major namespaces: (flavonoid) compounds, plant species, and references.


Familiar examples

anthocyanin (blueberry), isoflavone (soybean), rutin (soba noodle), catechin (tea), flavan-diol (tea), naringeninchalcone (tomato), polyphenol (wine, cacao)

Subcategories

This category has the following 10 subcategories, out of 10 total.

F

  • FL1(4 C)
  • FL2(1 C)
  • FL3(1 C)
  • FL4(1 C)

F cont.

  • FL5(1 C)
  • FL6(4 C)
  • FL7(2 C)
  • FLI(10 C)

F cont.

  • FLN(6 C)
  • [×] FLT(empty)

Pages in category "FL"

The following 2 pages are in this category, out of 2 total.

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