Haematoxylum brasiletto is a tree that grows in Central America, .. Antimicrobial compounds isolated from Haematoxylon brasiletto. Antimicrobial compounds isolated from Haematoxylon brasiletto. Rivero-Cruz JF( 1). Author information: (1)Departamento de Farmacia. The extract of Haematoxylon brasiletto was the only one that effectively inhibited bacterial growth. The effects of ethanolic extracts of this plant on growth.

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The crude extract HBM-1 was suspended in mL of an aqueous 3: The fresh leaves are a totally different color than the mature green leaves. I love botanical gardens but I prefer to be out in the real actual eco-systems.

Research and Conservation in Southern Sonora, Mexico

Antiproliferative activity, flavonoids, Haematoxylum brasiletto. The chemopreventive agent curcumin is a potent radiosensitizer of human cervical tumor cells via increased reactive oxygen species production and overactivation of the mitogen-activated protein kinase pathway.

I do not work in herberariums. I do not spend enough time in the Huehuetenango around Santa Ana Huista to notice whether Palo de Brasil grows there also. Purification of the dichloromethane partition of ethanol extract of the heartwood of H. Rivero-Cruz[ 12 ] reported that brazilin inhibited the growth of S. During several months the Palo de Brasil trees along the Carretera al Atlantico were in full flower.

Bibliography, Parmentiera aculeata Pacaya palm Chamaedorea tepejilote Split leaf philodendron, Monstera deliciosa. Bibliography on Matilisguate, Tabebuia rosea Mangrove swamp Trees.

Views Read Edit View history. There was also iron pyrite in this tomb: Flowers native to Guatemala visible now around the world Dahlia.


An in vitro assay of 3 Indian medicinal plants. Received Oct 19; Revised Nov The timber is used to make bows for stringed instruments, the manufacture of dyes and in ethnobotany. Parker covers Haematoxylum brasiletto on her pages Haematoxylum brasiletto probably grows in several areas of Guatemala but where I see it the most often is alongside the highway from Guatemala City towards Puerto Barrios.

Trees with conical Spines Hura polyandra. Neither lists Palo de Brasil for Peten.

Antimicrobial compounds isolated from Haematoxylon brasiletto.

J Pharmacol Exp Ther. Retrieved from ” https: Location of Haematoxylum brasiletto Haematoxylum brasiletto probably grows in several areas of Guatemala but where I see it the most often is alongside the haemattoxylon from Guatemala City towards Puerto Barrios.

A totally unrelated tree, Dracaena fragansis also called Palo de Brazil. The Motagua deserts is somewhat outside the core Maya areas though Quirigua and Copan are less than 70 miles away.

SEINet Portal Network – Haematoxylum brasiletto

Although FLAAR is not actively working with geology of the Maya area we are keenly interested since as a student at Harvard I discovered and uaematoxylon considerable quanity of jade jewelry in the Tomb of the Jade Jaguar under a pyramid in Tikal three volume report is available as a download, at no cost.

Since there were thousands of trees I have no realistic way to determine if an individual tree remained in flower the entire time.

Silica gel 60 70— mesh and silica gel — mesh were purchased from Hasmatoxylon St. Palo de Brasil also continues up in the high hills from El Rancho up towards the start of the pine and oak forests. This is the national tree of Brazil.


Flavonoids with antiproliferative effect, such as kaempferitrin and curcumin, have previously been described. Palo de Brasil is one of the most common trees in parts of the Motagua desert. Financial support and sponsorship Nil.

Brazilin also exhibited a high antiproliferative activity on the human noncancer cell line ARPE with an IC50 value of Should you spell the genus Haemxtoxylon or Haematoxylon? Table 2 In vitro antiproliferative activity of flavonoid brazilin from Haematoxylum brasiletto on seven cell lines measured by 3- 4,5-dimethylthiazolyl -2,5-diphenyltetrazolium bromide assay.

Haematoxylum brasiletto is common in seasonally very dry deserts in Guatemala and Mexico but is not as well known to Mayanists as is the nearest relative Haematoxylum campechianum which grows in swamps.

Antimicrobial compounds isolated from Haematoxylon brasiletto.

Jaematoxylon Maize Teosinte Grain amaranth. Standley and Steyermark Bioactive metabolites from Cnidoscolus souzae and Acmella pilosa. This page was last edited on 14 Decemberat The flavonoid brazilin 1 was isolated from the heartwood of H.

The aim of this study was to isolate the compounds responsible for antiproliferative activity of H.