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1. (Article ID: 12381)
 
Iwashina T, López-Sáez JA, Herrero A, Kitajima J, Matsumoto S
Flavonol glycosides from Asplenium foreziense and its five related taxa and A. incisum
Biochemical Systematics and Ecology 28(7) (2000) 665-671
 

The flavonoids of Asplenium foreziense, A. fontanum subsp. fontanum and subsp. pseudofontanum, A. obovatum subsp. obovatum var. obovatum and var. protobillotii, A. obovatum subsp. lanceolatum, and A. incisum were isolated and identified for chemotaxonomic survey. A major constituent of all taxa was kaempferol 3-O-gentiobioside. As minor compounds, kaempferol 3,7-O-glycoside and/or kaempferol 3-O-glycoside were found in A. fontanum, A. obovatum and A. foreziense, and kaempferol 3-O-gentiobioside-4'-O-glucoside, kaempferol 3-O-glucoside and quercetin 3-O-diglucoside in A. incisum. It was suggested that A. foreziense, A. fontanum including subsp. pseudofontanum and A. obovatum including subsp. lanceolatum are not only morphologically but also chemotaxonomically related. The East Asian A. incisum was chemically and geographically different from these taxa.

Asplenium fontanum, Asplenium foreziense, Asplenium incisum, Asplenium obovatum, Aspleniaceae, kaempferol 3-O-gentiobioside, kaempferol 3-O-gentiobioside-4'-O-glucoside

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