Extracts of Flourensia cernua (L):: Volatile constituents and antifungal, antialgal, and antitermite bioactivities

被引：100

作者：

Tellez, M ^{[1
]}

Estell, R

Fredrickson, E

Powell, J

Wedge, D

Schrader, K

Kobaisy, M

机构：

[1] USDA ARS, Nat Prod Utilizat Res Unit, University, MS 38677 USA

[2] USDA ARS, Jornada Expt Range, Las Cruces, NM 88003 USA

[3] USDA ARS, Stoneville, MS 38776 USA

来源：

JOURNAL OF CHEMICAL ECOLOGY | 2001年 / 27卷 / 11期

关键词：

Flourensia cernua; fractionation; activity; fungi; cyanobacteria; algae; termite; Colletotrichum; Oscillatoria; Selenastrum; Reticulitermes;

D O I：

10.1023/A:1012283005014

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 [生物化学与分子生物学]; 081704 [应用化学];

摘要：

The chemical components of tarbush (Flourensia cernua) leaves were fractionated by extracting successively with hexanes, diethyl ether, and ethanol. Volatile profiles of each fraction were identified by using GC-MS. The hexanes fraction contained mostly monoterpenoids, while the ethanol fraction volatiles were primarily sesquiterpenoids. Crude fractions were tested for activity against fungi, algae, and termites. Application of as little as I jug of the essential oil from the hexanes fraction was sufficient to provide visible antifungal activity in bioautography assays. The diethyl ether fraction showed selective activity against the cyanobacterium responsible for the 2-methylisoborneol-induced off-flavor sometimes associated with catfish farming operations. All three fractions exhibited a high degree of antitermite activity.

引用

页码：2263 / 2273

页数：11

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