Zobrazeno 1 - 10
of 76
pro vyhledávání: '"N. Savitri Kumar"'
Autor:
G. R. Nalin Rathnayake, N. Savitri Kumar, Lalith Jayasinghe, Hiroshi Araya, Yoshinori Fujimoto
Publikováno v:
Natural Products and Bioprospecting, Vol 9, Iss 6, Pp 411-417 (2019)
Abstract An endophytic fungus Pestalotiopsis microspora isolated from the fruits of Manilkara zapota was cultured in potato dextrose broth media. Chromatographic separation of the EtOAc extract of the broth and mycelium led to the isolation of a new
Externí odkaz:
https://doaj.org/article/80db114e8d224af5a4c845b3359a364c
Publikováno v:
Mycology, Vol 8, Iss 1, Pp 17-20 (2017)
Bipolaris sorokiniana, a fungal endophyte, was isolated from the leaves of Costus speciosus, a popular medicinal plant used to control diabetes. Fermentation of the fungus in potato dextrose broth and chromatographic purification of the ethyl acetate
Externí odkaz:
https://doaj.org/article/ffacb06cd2884c9c940f6adca0a39ccb
Publikováno v:
Ceylon Journal of Science, Vol 45, Iss 2, Pp 79-86 (2016)
Theaflavins (TFs) from black tea leaves were separated using high-speed countercurrent chromatography (HSCCC). Isobutyl methyl ketone (4-methyl-2-pentanone) was used to separate the TFs from a hot water extract of black tea leaves. Three different co
Externí odkaz:
https://doaj.org/article/0ed09fa99aba427e9f900628ef5d476c
Autor:
D. Thanabalasingam, Dilhara Dissanayake, Kavindya Samarakoon, N. Savitri Kumar, Nimal Adikaram, Lalith Jayasinghe, Hiroshi Araya, Yoshinori Fujimoto
A new heptaketide named oryzanigral (1) was isolated from the fermentation extract of the endophytic fungus Nigrospora oryzae isolated from the leaves of Coccinia grandis, along with five known compounds, (R)-mellein, (R)-O-methylmellein, (3R,4R)-4-h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::247e858ff8f8cf4c60a96d10f69a578b
Autor:
Lalith Jayasinghe, Hiroshi Araya, G. R. Nalin Rathnayake, Yoshinori Fujimoto, N. Savitri Kumar
Publikováno v:
Natural Products and Bioprospecting
Natural Products and Bioprospecting, Vol 9, Iss 6, Pp 411-417 (2019)
Natural Products and Bioprospecting, Vol 9, Iss 6, Pp 411-417 (2019)
Abstract An endophytic fungus Pestalotiopsis microspora isolated from the fruits of Manilkara zapota was cultured in potato dextrose broth media. Chromatographic separation of the EtOAc extract of the broth and mycelium led to the isolation of a new
Autor:
G. R. Nalin Rathnayake, Yoshinori Fujimoto, Dinusha Kanatiwela, Lalith Jayasinghe, Cheka Kehelpannala, N. Savitri Kumar, Hiroshi Araya, Dilhara Dissanayake, N. K. B. Adikaram
Publikováno v:
Chemical Papers. 75:2233-2235
The absolute stereochemistry of ( +)-solaniol (5,8-dihydroxy-7-(2-hydroxypropyl)-2-methoxy-6-methyl-1,4-naphthoquinone) (1) was deduced to be S using Mosher’s method. Our result did not accord with the R configuration of ( +)-solaniol recently prop
Publikováno v:
Journal of Biologically Active Products from Nature. 8:43-50
Microorganisms have produced many of the most potent agents against bacterial and fungal infections, cancer and high cholesterol etc. Studies on secondary metabolites originating from endophytic fungi isolated in Sri Lanka are relatively less studied
Publikováno v:
Journal of Chemical Ecology. 44:95-101
The tea shot-hole borer beetle (TSHB, Euwallacea fornicatus) causes serious damage in plantations of tea, Camellia sinensis var. assamica, in Sri Lanka and South India. TSHB is found in symbiotic association with the ambrosia fungus, Monacrosporium a
Autor:
Lalith Jayasinghe, Hiroshi Araya, Yoshinori Fujimoto, G. R. Nalin Rathnayake, N. Savitri Kumar
Publikováno v:
Natural Product Research. 32:2483-2486
Phialemonium curvatum, an endophytic fungus isolated from the leaves of Passiflora edulis was cultured in potato dextrose broth (PDB) media and chromatographic separation of the EtOAc extract of the broth and mycelium led to the isolation of 4-hydrox
Publikováno v:
Journal of Biologically Active Products from Nature. 7:475-479
Plant endophytic fungi have been recognized as an important and a good source of natural bioactive products with potential application in agriculture, medicine and food industry. Chemical and biological studies of fungal metabolites originating from