Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Maria Lenise da Silva Guedes"'
Autor:
Francisco das Chagas L. Pinto, Maria da Conceição M. Torres, Edilberto R. Silveira, Otília Deusdênia L. Pessoa, Raimundo Braz-Filho, Maria Lenise da Silva Guedes
Publikováno v:
Química Nova, Vol 36, Iss 8, Pp 1111-1115 (2013)
The chemical investigation of the stem EtOH extract of S. buddleifolium resulted in the isolation of terpenoids, amides, lignans and a steroidal alkaloid. Based on HRMS, IR and ¹H and 13C NMR data analysis, the structures of the isolated compounds w
Externí odkaz:
https://doaj.org/article/3c11fe0d34264650aa4f8c4a08a01146
Autor:
Sandra Virgínia Alves Hohlemwerger, Edijane Matos Sales, Rafael dos Santos Costa, Eudes da Silva Velozo, Maria Lenise da Silva Guedes
Publikováno v:
Química Nova, Vol 35, Iss 11, Pp 2173-2176 (2012)
In 1959, Gottlieb and Antonaccio published a study reporting the occurrence of lignan sesamin and triterpene lupeol in Zanthoxylum tingoassuiba. In this work we describe the phytochemical study of the root bark of the Z. tingoassuiba which allowed th
Externí odkaz:
https://doaj.org/article/25050e7032484d458af268145908ed9d
Autor:
Martins Dias de Cerqueira, Edson de Jesus Marques, Dirceu Martins, Nídia F. Roque, Frederico Guaré Cruz, Maria Lenise da Silva Guedes
Publikováno v:
Química Nova, Vol 32, Iss 6, Pp 1544-1548 (2009)
This work report the seasonal variation of composition of the volatile oils from leaves and from flowers of Myrcia salzmannii harvested in the sand dunes of Salvador, Bahia, northeastern region of Brazil in the years 2001 and 2003. The oils were anal
Externí odkaz:
https://doaj.org/article/cacdd40368b34d6fb01d0e272d0264ab
Autor:
Cinara Vasconcelos da Silva, Cássia Britto Detoni, Eudes da Silva Velozo, Maria Lenise da Silva Guedes
Publikováno v:
Química Nova, Vol 31, Iss 8, Pp 2071-2075 (2008)
Phytochemical investigation of this species, popularly known as tinguaciba and used in traditional medicine to various diseases, resulted in the isolation of 15 substances: 2 alkaloids - norchelerythrine and arnottianamide; 1 lignan - sesamin; 4 terp
Externí odkaz:
https://doaj.org/article/f23568b686b543359f4a66f8c26436ea