Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Geraldo H. Silva"'
Autor:
Vander A. de Castro, Valber G. O. Duarte, Danúbia A. C. Nobre, Geraldo H. Silva, Vera R. L. Constantino, Frederico G. Pinto, Willian R. Macedo, Jairo Tronto
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 11, Iss 1, Pp 1082-1091 (2020)
Auxins are a class of organic substances known as plant-growth regulators, which act on plant physiology, promoting its full development. However, due to the great instability of these substances among the diversity of crops and cultivation environme
Externí odkaz:
https://doaj.org/article/5608c5e10daa4ca3901f5551bbbc05d6
Autor:
Maisa Cristina Morais Monteiro, I. H. Leptokarydis, Geraldo H. Silva, Vanderlan S Bolzani, Viviane Cândida da Silva, Maria Cláudia Marx Young, M. N. Lopes
Publikováno v:
Eclética Química, Vol 32, Iss 3, Pp 13-18 (2018)
O fracionamento cromatográfico da fase diclorometânica dos caules de Michelia champaca, forneceu quatro substâncias: álcool 4-O-β-D-glicopiranosídeo sinapílico, aldeído 4-O-β-D-glicopiranosídeo sinápico, siringaresinol e N-acetilnonaina. E
Externí odkaz:
https://doaj.org/article/3ef70aeec0b94480a8610e8a33532c91
Autor:
Lisinéia M. Zanardi, Vanderlan da S. Bolzani, Alberto J. Cavalheiro, Dulce H. Siqueira Silva, Henrique C. Trevisan, Angela R. Araujo, Geraldo H. Silva, Helder L. Teles, Maria Cláudia M. Young
Publikováno v:
Química Nova, Vol 35, Iss 11, Pp 2233-2236 (2012)
SESQUITERPENES PRODUCED BY ENDOPHYTIC FUNGUS Phomopsis cassiae WITH ANTIFUNGAL AND ACETYLCHOLINESTERASE INHIBITION ACTIVITIES. Two new diastereoisomeric cadinanes sesquiterpenes 3,9-dihydroxycalamenene (1-2), along with the known 3-hydroxycalamen-8-o
Externí odkaz:
https://doaj.org/article/42548e92ccf5470ca90b9c7f08564142
Autor:
Geraldo H. Silva, Camila M. de Oliveira, Helder L. Teles, Vanderlan da S. Bolzani, Angela R. Araujo, Ludwig H. Pfenning, Maria Claudia M. Young, Claudio M. Costa-Neto, Renato Haddad, Marcos N. Eberlin
Publikováno v:
Química Nova, Vol 33, Iss 10, Pp 2038-2041 (2010)
A chemical study on the EtOAc extract produced by Xylaria sp., an endophytic fungus from Piper aduncum, resulted in the isolation of a new cytochalasin 1, along with five known 19,20-epoxycytochalasin D (2), C (3), N (4), Q (5), and R (6). The 1-6 we
Externí odkaz:
https://doaj.org/article/faa822a1cddc47e0bf4c9a51b1e3d880
Autor:
Aline C. Pereira, Denilson F. Oliveira, Geraldo H. Silva, Henrique C.P. Figueiredo, Albero J. Cavalheiro, Douglas A. Carvalho, Luciana P. Souza, Sára M. Chalfoun
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 80, Iss 3, Pp 427-432 (2008)
To find out natural antimicrobial agents as alternative in therapeutics and to preserve food, the methanol extract of Solanum palinacanthum aerial parts was submitted to purification steps guided by antibacterial and antifungal assays. As a consequen
Externí odkaz:
https://doaj.org/article/abd4c16b24f04dc3a4cb247b35558a85
Autor:
Mariana C. Cafêu, Geraldo H. Silva, Helder L. Teles, Vanderlan da S. Bolzani, Ângela R. Araújo, Maria Cláudia M. Young, Ludwig H. Pfenning
Publikováno v:
Química Nova, Vol 28, Iss 6, Pp 991-995 (2005)
Externí odkaz:
https://doaj.org/article/c6ff8562d4e84d9a907706d0d075e10b
Autor:
Juliana R. Gubiani, Thomas R. Habeck, Vanessa M. Chapla, Geraldo H. Silva, Vanderlan S. Bolzani, Angela R. Araujo
Publikováno v:
Química Nova, Vol 39, Iss 10, Pp 1221-1224
Seven phenolic derivatives including p-hydroxyphenyllactic acid (1), p-hydroxybenzoic acid (2), p-hydroxybenzaldehyde (3), phenyllactic acid (4), n-butyl-3,4-dihydroxybenzoate (5), n-hexyl-3,4-dihydroxybenzoate (6) and n-octyl-3,4-dihydroxybenzoate (
Externí odkaz:
https://doaj.org/article/3896a31595aa462392a0dc51c20b6586
Autor:
Juliana R. Gubiani, Helder L. Teles, Geraldo H. Silva, Maria Cláudia M. Young, José O. Pereira, Vanderlan S. Bolzani, Angela R. Araujo
Publikováno v:
Química Nova, Vol 40, Iss 2, Pp 138-142
Six known compounds, three peptide derivatives: cyclo-(tryptophyl-phenylalanyl) (2), diketopiperazine dimer WIN 64821 (3) and 3-hydroxy-15H-tryptophenaline (4), one adenine derivative: 2-hydroxy-6-N-isopentenyl-adenine (5), one phtalide derivative: 4
Externí odkaz:
https://doaj.org/article/09173c284fbd41979313df3001f88119
Autor:
Geraldo H. Silva, Mucuri Valleys, Willian Rodrigues Macedo, Adriene Aparecida Silva, Danúbia Aparecida Costa Nobre, Daniel Andres Villegas Hurtado, Larissa Santos Castro
Publikováno v:
Boletin Latinoamericano y del Caribe de Plantas Medicinales y Aromaticas. 21:94-107
Basil (Ocimum basilicum L.) is a medicinal species used in several areas, such as food, medicines and cosmetics, and the understanding of its physiological behavior under environmental conditions is of paramount importance for the improvement of cult
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b55b8e303a52b4c797588ecf31f5b103
https://doi.org/10.37360/blacpma.22.21.1.06
https://doi.org/10.37360/blacpma.22.21.1.06
Autor:
Willian Rodrigues Macedo, Josiane Abadia Resende de Souza, Frederico Garcia Pinto, Geraldo H. Silva
Publikováno v:
Phytochemistry Letters. 43:40-44
Studies have revealed the antioxidant and antifungal activities of the metabolite tyrosol, a phenolic compound from olive oil and several endophytic fungi. The substance was isolated from the ethyl acetate extract of the endophytic fungus Phomopsis s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9936740017cf1ccbf251030869f650b
https://doi.org/10.1016/j.phytol.2021.03.005
https://doi.org/10.1016/j.phytol.2021.03.005