Zobrazeno 1 - 10 of 16 pro vyhledávání: '"José G.S. Maia"'
1
Eusiderins and other neolignans from an Aniba species
Autor: Joāo B. Fernandes, Hugo E. Gottlieb, Silvia M. C. Dias, Otto R. Gottlieb, José G.S. Maia
Publikováno v: Phytochemistry. 25:213-217
A previous report disclosed the presence of benzodioxan and bicyclo[3.2.1]octanoid neolignans in the benzene extract of the trunk wood of an Amazonian Aniba (Lauraceae) species. The chloroform extract of the same material contains additionally two ne
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::99f68291059ba52d8d7b9c905a84e1e8
https://doi.org/10.1016/s0031-9422(00)94531-x
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2
Vitamins in fruits and vegetables of the Amazon. 1. Methods for the determination of β—carotene, tocopherol and ascorbic acid with high performance liquid chromatography (HPLC)
Autor: Friedhelm Marx, José G.S. Maia
Publikováno v: Repositório Institucional do INPA
Instituto Nacional de Pesquisas da Amazônia (INPA)
instacron:INPA
Acta Amazonica, Vol 13, Iss 5-6, Pp 823-830 (1983)
No começo de um levantamento da composição química de frutos e legumes da região amazônica, adaptou-se métodos analíticos para a determinação de pro-vitamina A (β -caroteno), vitamina C (ácido ascórbico) e vitamina E (tocoferol), atravé
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fcb5de7e9611f32167b26e6d018043b5
https://doi.org/10.1590/1809-439219831356823
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3
Determination of fat soluble vitamins from amazonian fresh-water fishes. I. HPLC analysis of tambaqui, pirarucu and cuiu-cuiu livers
Autor: José G.S. Maia, F. Marx
Publikováno v: Repositório Institucional do INPA
Instituto Nacional de Pesquisas da Amazônia (INPA)
instacron:INPA
Acta Amazonica v.15 n.1-2 1985
Acta Amazonica
Acta Amazonica, Vol 15, Iss 1-2, Pp 185-192 (1985)
Acta Amazonica, Volume: 15, Issue: 1-2, Pages: 185-192, Published: JUN 1985
It was found that fish livers from the Amazon have considerable amounts of vitamins A, D and E compared with the values of the standartized cod-liver oil. Tambaqui liver oil has high concentration of vitamin A1(retinol) and vitamin A2 (degidroretinol
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ac11446f11fb841a67df1abd10dcb19
https://doi.org/10.1590/1809-43921985152191
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6
Neolignans from an Aniba species
Autor: João B. Fernandes, Hugo E. Gottlieb, Otto R. Gottlieb, José G.S. Maia, Silvia M. C. Dias
Publikováno v: Phytochemistry. 21:1737-1740
A benzene extract of the trunk wood of an Aniba species contained 3a-allyl-2-aryl-5-methoxy-3-methyl-2,3,3a,6-tetrahydro-6-oxobenzofurans which may be responsible, through sequential Cope, retro-Claisen and Claisen rearrangements respectively for the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a5a503026de9970785ec9f7701b44f77
https://doi.org/10.1016/s0031-9422(82)85050-4
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7
Dihydroisocoumarins and phthalide from wood samples infested by fungi☆
Autor: Aderbal F. Magalhães, Marden A. De Alvarenga, Gouvan C. de Magalhães, Otto R. Gottlieb, José G.S. Maia, João P. de P. Dias, Raimundo Braz Fo, Mauro Taveira Magalhães, Eva G. Magalhães, Raquel Marques
Publikováno v: Phytochemistry. 17:511-516
Wood samples, infested by fungi during storage, were shown to contain, besides the known 5-methyl-mellein, additional (3 R )-8-hydroxy-3-methyl-3,4-dihydroisocoumarins substituted by 7-methyl, 5-formyl, 5-carboxy, 5-hydroxy, 5-methoxy, 6-methoxy-5-me
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9b7c2aadd65a82e35ba065b705d3e3cf
https://doi.org/10.1016/s0031-9422(00)89350-4
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8
The chemistry of Brazilian Lauraceae XLVI. Notes on Aniba species
Autor: Otto R. Gottlieb, Eva G. Magalhães, Aura M. P. de Diaz, José G.S. Maia, Celira Caparica Santos, Aderbal F. Magalhães
Publikováno v: Acta Amazonica, Vol 7, Iss 1, Pp 41-43 (1977)
Repositório Institucional do INPA
Instituto Nacional de Pesquisas da Amazônia (INPA)
instacron:INPA
A madeira do tronco das espécies amazônicas Aniba affinis, A. cylindriflora e A. mas contém respectivamente neolignanas benzofuranoídicas (e uma biciclo [3, 2, 1] octanoídica previamente desconhecida), 6-estiril-2-pironas e 6-estiril-4-metoxi-2-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5918c58396c0c861c0a96ff621c968a
http://www.scielo.br/pdf/aa/v7n1/1809-4392-aa-7-1-0041.pdf
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9
Essential oils of some amazonian Mikania species
Autor: Maria das Graças Bichara Zoghbi, Lamar S. Ramos, Arnaldo Iran R. Luz, Miriam L. Da Silva, José G.S. Maia
Publikováno v: Phytochemistry. 23:2374-2376
Terpenoid constituents were identified in the essential oils of Mikania banisteriae and M. congesta. M. amara contains aliphatic alcohols, aldehydes and acids besides p -cymene and thymol.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::358338d71da851d9b11e93b2ac9d9a55
https://doi.org/10.1016/s0031-9422(00)80558-0
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10
The chemistry of Brazilian Leguminosae. LX. Indolylacetic acid from Tachigalia paniculata
Autor: Otto R. Gottlieb, Silvia M. C. Dias, Zenaide S. Ferreira, José G.S. Maia
Publikováno v: Acta Amazonica, Vol 12, Iss 4, Pp 805-807 (1982)
Repositório Institucional do INPA
Instituto Nacional de Pesquisas da Amazônia (INPA)
instacron:INPA
Do extrato etanólico da madeira de tronco de Tachigalia paniculata Ducke (Leguminosae-Caesalpinioideae) foram isoladas quantidades substanciais de ácido 2-(3-indolil)-acético. The ethanolic extract of trunk wood of Tachigalia paniculata Ducke (Leg
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2f39156aa44809dd5ee0d732cae83f8
https://doi.org/10.1590/1809-43921982124805
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