Dryopteris crassirhizoma

Dryopteris crassirhizoma
	Dryopteris crassirhizoma in Seoul, Korea
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Class:	Polypodiopsida
Order:	Polypodiales
Suborder:	Polypodiineae
Family:	Dryopteridaceae
Genus:	Dryopteris
Species:	D. crassirhizoma
Binomial name
	Dryopteris crassirhizoma; Nakai (1920)

Dryopteris crassirhizoma is a fern species in the wood fern family Dryopteridaceae.

This semi-evergreen fern grows to 1 m (3.3 ft) tall and broad, with narrowly-divided fronds growing in a vase-like shape from a central crown, which is brown in colour.[1]

It has gained the Royal Horticultural Society's Award of Garden Merit.[1]

The acylphloroglucinols (flavaspidic acids[2]) isolated from D. crassirhizoma show in vitro antibacterial and fatty acid synthase inhibitory activity.[3] Also, the constituents sutchuenoside A and kaempferitrin have in vivo antiparasitic activity.[4]

References

"Dryopteris crassirhizoma". www.rhs.org. Royal Horticultural Society. Retrieved 3 June 2020.
Lee, Hyang Burm; Kim, Jin Cheol; Lee, Sang Myung (2009). "Antibacterial activity of two phloroglucinols, flavaspidic acids AB and PB, from Dryopteris crassirhizoma". Archives of Pharmacal Research. 32 (5): 655–9. doi:10.1007/s12272-009-1502-9. PMC 7091015. PMID 19471878.
Na, M; Jang, J; Min, BS; Lee, SJ; Lee, MS; Kim, BY; Oh, WK; Ahn, JS (2006). "Fatty acid synthase inhibitory activity of acylphloroglucinols isolated from Dryopteris crassirhizoma". Bioorganic & Medicinal Chemistry Letters. 16 (18): 4738–42. doi:10.1016/j.bmcl.2006.07.018. PMID 16870425.
Jiang, B; Chi, C; Fu, YW; Zhang, QZ; Wang, GX (2013). "In vivo anthelmintic effect of flavonol rhamnosides from Dryopteris crassirhizoma against Dactylogyrus intermedius in goldfish (Carassius auratus)". Parasitology Research. 112 (12): 4097–104. doi:10.1007/s00436-013-3600-3. PMID 24013342. S2CID 1105319.

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[RHSPF-1] "Dryopteris crassirhizoma". www.rhs.org. Royal Horticultural Society. Retrieved 3 June 2020.

[Lee-2] Lee, Hyang Burm; Kim, Jin Cheol; Lee, Sang Myung (2009). "Antibacterial activity of two phloroglucinols, flavaspidic acids AB and PB, from Dryopteris crassirhizoma". Archives of Pharmacal Research. 32 (5): 655–9. doi:10.1007/s12272-009-1502-9. PMC 7091015. PMID 19471878.

[Na-3] Na, M; Jang, J; Min, BS; Lee, SJ; Lee, MS; Kim, BY; Oh, WK; Ahn, JS (2006). "Fatty acid synthase inhibitory activity of acylphloroglucinols isolated from Dryopteris crassirhizoma". Bioorganic & Medicinal Chemistry Letters. 16 (18): 4738–42. doi:10.1016/j.bmcl.2006.07.018. PMID 16870425.

[Jiang-4] Jiang, B; Chi, C; Fu, YW; Zhang, QZ; Wang, GX (2013). "In vivo anthelmintic effect of flavonol rhamnosides from Dryopteris crassirhizoma against Dactylogyrus intermedius in goldfish (Carassius auratus)". Parasitology Research. 112 (12): 4097–104. doi:10.1007/s00436-013-3600-3. PMID 24013342. S2CID 1105319.