NDLI: Flavonoid Metabolites in the Hemolymph of European Pine Sawfly (Neodiprion sertifer) Larvae

Content Provider	Springer Nature Link
Author	Vihakas, Matti Tähtinen, Petri Ossipov, Vladimir Salminen, Juha Pekka
Copyright Year	2012
Abstract	Flavonoids in the hemolymph of European pine sawfly (Neodiprion sertifer) larvae that were feeding on Pinus sylvestris needles were identified. HPLC–ESI–MS analysis revealed that the main components in the hemolymph were flavonol di- and triglucosides and a catechin monoglucoside. These compounds were isolated from the larval hemolymph and their structures were established by HPLC–MS, GC–MS, and NMR spectroscopy. The isolated flavonoids were identified as (+)-catechin 7-O-β-glucoside, isorhamnetin 3,7,4′-tri-O-β-glucoside, kaempferol 3,7,4′-tri-O-β-glucoside, and quercetin 3,7,4′-tri-O-β-glucoside. The combined concentration of these four compounds in the hemolymph was 3.7 mg/ml. None of these compounds was present in the needles of P. sylvestris. Therefore, we propose that the flavonoid glucosides were produced by the larvae from flavonoid monoglucosides and (+)-catechin obtained from the pine needles.
Starting Page	538
Ending Page	546
Page Count	9
File Format	PDF
ISSN	00980331
Journal	Journal of Chemical Ecology
Volume Number	38
Issue Number	5
e-ISSN	15731561
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-04-25
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	European pine sawfly Scots pine Hemolymph Flavonoid glycosides Hymenoptera Diprionidae Biological Microscopy Ecology Agriculture Entomology Biochemistry
Content Type	Text
Resource Type	Article
Subject	Medicine Biochemistry Ecology, Evolution, Behavior and Systematics

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