Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Achanta Venkata Narasimha Appa Rao"'
Autor:
Nebojsa Simic, Doris Kuehnelt, Bobbala Ravi Kumar, Achanta Venkata Narasimha Appa Rao, Robert Michael Alex, Belvotagi Venkatrao Adavi Rao, Earla Ravinder, Olaf Kunert
Publikováno v:
Phytochemistry Letters. 2:134-138
A new caralumagenin bisdesmosidic glycoside (carumbelloside VI), the new pregnene-type steroid bourcergenin, and four new tetrosides of boucergenin (umbellosides I–IV) were isolated from the whole plant of Caralluma umbellata. Their structures were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6a9f00cdaeead2ff2245225fe9e3f02
https://doi.org/10.1016/j.phytol.2009.04.003
https://doi.org/10.1016/j.phytol.2009.04.003
Autor:
Marcel Kaiser, Rumalla Chidananda Swamy, Achanta Venkata Narasimha Appa Rao, Wolfgang Schühly, Armin Presser, Silke Buzzi, Olaf Kunert
Publikováno v:
Phytochemistry Letters. 1:171-174
A series of eleven biflavonoids containing amentoflavone and hinokiflavone derivatives from the Indian medicinal herb Selaginella bryopteris has been investigated for their antiprotozoal activity using in vitro assays against the K1 strain of Plasmod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00ee9a150dd1119825b3374fe18f5fef
https://doi.org/10.1016/j.phytol.2008.09.003
https://doi.org/10.1016/j.phytol.2008.09.003
Autor:
Achanta Venkata Narasimha Appa Rao, Daneel Ferreira, Vanapatla Swarupa Rani, Wolfgang Schühly, Ramalla Chidananda Swamy, Bobbala Ravi Kumar, Olaf Kunert, Franz Bucar
Publikováno v:
Chemistry & Biodiversity. 3:405-414
Chemical investigation of Selaginella chrysocaulos from Northeast India yielded three new (i.e., 1-3) and two known biflavonoids. From Selaginella bryopteris, collected in the southern part of India, one new (11) and eleven known biflavonoids of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9046c0adb99133b93783de9e28257652
https://doi.org/10.1002/cbdv.200690044
https://doi.org/10.1002/cbdv.200690044
Autor:
Olaf Kunert, Nebojsa Simic, Gummadi Sridhar Babu, Bobbala Ravi Kumar, Doris Kühnelt, Achanta Venkata Narasimha Appa Rao, Medaboyina Padmavathi, Robert Michael Alex, Wolfgang Schühly, Belvotagi Venkatrao Adavi Rao
Publikováno v:
Helvetica Chimica Acta. 89:201-209
New steroidal glycosides, stalagmosides I–V (1–5) and indicosides I and II (7 and 8), together with the known compounds carumbelloside III, lasianthoside A, and lasianthoside B, were isolated from whole plants of Caralluma stalagmifera and Carall
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a79d7b74bf5a723f743716a2f3ffe70c
https://doi.org/10.1002/hlca.200690022
https://doi.org/10.1002/hlca.200690022
Antinociceptive and anti-inflammatory activity of carumbelloside-I isolated from Caralluma umbellata
Autor:
Achanta Venkata Narasimha Appa Rao, M.C. Prabhakar, Meda Rama Kumar, Yepuri Nageshwar Rao, M. Ramesh, B. Madhava Reddy
Publikováno v:
Journal of Ethnopharmacology. 68:349-352
The phytochemical study using Caralluma umbellata (Asclepiadaceae) whole plant allowed the isolation of a novel pregnane glycoside named carumbelloside-I (3- O -β- d -glucopyranosyl-(1→6)-β- d -glucopyranosyl-3β,14β-dihydroxypregn-5-en-20-one).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1bd2eee0e35002bf77caa8b2e5435d5
https://doi.org/10.1016/s0378-8741(99)00122-1
https://doi.org/10.1016/s0378-8741(99)00122-1
Autor:
John M. Pezzuto, Bobbala Ravi Kumar, Marupaka Radhakishan, M. Ramesh, Achanta Venkata Narasimha Appa Rao, Yumi Dong, Geoffrey A. Cordell, Young G. Shin
Publikováno v:
Phytochemical Analysis. 10:208-212
Two alkenyl catechols were rapidly identified as probable cytotoxic constituents from the petroleum ether extract of Semecarpus anacardium using HPLC–electrospray/MS analysis linked to bioassay. These compounds were then isolated from the same extr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a624a7b62b03c416d2e852cabe673b0
https://doi.org/10.1002/(sici)1099-1565(199907/08)10:4<208::aid-pca457>3.0.co
https://doi.org/10.1002/(sici)1099-1565(199907/08)10:4<208::aid-pca457>3.0.co
Autor:
Yepuri Nageshwara Rao, Achanta Venkata Narasimha Appa Rao, Bobbala Ravi Kumar, M. Ramesh, Geoffrey A. Cordell, Sheng-Xiang Qiu, C. K. Kokate
Publikováno v:
Phytochemistry. 50:485-491
From the whole plant of Caralluma lasiantha , two new bisdesmosidic C-21 steroidal (pregnane) glycosides, named as lasianthoside-A and -B, were isolated and their structures elucidated solely based on extensive 2D-NMR and MS/MS spectral analysis as c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2bd84d14781bc2f2d9fee1b0cc44a74
https://doi.org/10.1016/s0031-9422(98)00569-x
https://doi.org/10.1016/s0031-9422(98)00569-x
Autor:
Bommineni Madhava Reddy, Lin Long-Ze, Billa Srilatha, Achanta Venkata Narasimha Appa Rao, Lin Lee-Juian, Geoffrey A. Cordelly, M. Ramesh, Roberto R. Gil
Publikováno v:
Phytochemistry. 35:1549-1553
From Caralluma umbellata, two new pregnane glycosides, named carumbelloside I and II, were isolated and their structures and stereochemistry were elucidated by a combination of NMR techniques as 3-O-β- d -glucopyranosyl-(1→6)-β- d -glucopyranosyl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37ad92b526375ceb18968ad5cb5e1964
https://doi.org/10.1016/s0031-9422(00)86892-2
https://doi.org/10.1016/s0031-9422(00)86892-2
Autor:
B. M. Reddy, Geoffrey A. Cordell, Long-Ze Lin, Achanta Venkata Narasimha Appa Rao, M. Ramesh, L.J. Lin, N. K. Rao
Publikováno v:
International Journal of Pharmacognosy. 32:352-356
Arjungenin and arjunglucoside-I have been isolated and characterised from an alcohol extract of the fruits of Terminalia chebula Retz. (Combretaceae); their 13C NMR data are reported for the first time.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a7390e19f401e06cbe9a6ec51ea28e5
https://doi.org/10.3109/13880209409083014
https://doi.org/10.3109/13880209409083014
Autor:
Nunziatina De Tommasi, Antonio Vassallo, Bobbala Ravi Kumar, Gummadi Sridhar Babu, Belvotagi Venkatrao Adavi Rao, Alessandra Braca, Achanta Venkata Narasimha Appa Rao, Kommidi Devendar Reddy, Ghanakota Venkateshwar Rao
Publikováno v:
Fitoterapia. 82(7)
Phytochemical investigation of Caralluma adscendens var. gracilis and Caralluma pauciflora (Asclepiadaceae) whole plant extracts allowed to isolate one pregnane glycoside and two pregnanes characterized as 12β,20-O-dibenzoyl-5α,6-dihydrosarcostin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee6833325d34019e7eadd406832c52d1
https://pubmed.ncbi.nlm.nih.gov/21745549
https://pubmed.ncbi.nlm.nih.gov/21745549