Resveratrol tetramers with a C6-C3 or a C1 unit from Upuna borneensis. (1/34)
Investigation of the chemical constituents in the stem of Upuna borneensis (Dipterocarpaceae) resulted in the isolation of three new resveratrol derivatives, upunaphenols L (1), M (2) (resveratrol tetramers with a C(6)-C(3) unit) and N (3) (resveratrol tetramer with a C(1) unit). The structures have the same partial structure as vaticanol B (4). Upunaphenols L and M are new complex polyphenol compounds, lignostilbene. Their structures were determined by spectroscopic analysis including two dimensional NMR. Upunaphenol M was found to be an artifact generated by silica gel catalyzed methanolysis of 1. (+info)Antidiabetogenic constituents from the Thai traditional medicine Cotylelobium melanoxylon. (2/34)
The methanolic extracts from the wood and bark of Cotylelobium melanoxylon were found to inhibit plasma glucose elevation after sucrose loading in rats and triglyceride elevation after olive oil loading in mice. A new stilbene dimer, melanoxylin A, together with the known stilbene dimers [(+)-ampelopsin F, (+)-isoampelopsin F, and (+)-epsilon-viniferin] and a trimer (vaticanol G) and a lignan [(+)-lyoniresinol] were isolated from the wood extract, and a new stilbene trimer, melanoxylin B, together with the known stilbene dimers [(+)-epsilon-viniferin and cis-(+)-epsilon-viniferin] and trimers (vaticanols A, E, and G) were isolated from the bark extract of C. melanoxylon. The principal constituents, vaticanols A, E, and/or G, inhibited plasma glucose and triglyceride elevation after sucrose loading in rats and olive oil loading in mice, respectively. In addition, vaticanols A, E, and/or G inhibited the enzyme activities of rat intestinal alpha-glucosidase, porcine pancreatic lipase, and rat lens aldose reductase. (+info)Two new resveratrol tetramers from Upuna borneensis. (3/34)
Phytochemical investigation of an acetone extract of Upuna borneensis (Dipterocarpaceae) resulted in the isolation of two new resveratrol tetramers, upunaphenols O (1) and P (2). The structures were elucidated by spectroscopic analysis including NMR experiments. (+info)Inhibition of HIV-1 entry by extracts derived from traditional Chinese medicinal herbal plants. (4/34)
(+info)Two mycoheterotrophic orchids from Thailand tropical dipterocarpacean forests associate with a broad diversity of ectomycorrhizal fungi. (5/34)
(+info)Paternity analysis-based inference of pollen dispersal patterns, male fecundity variation, and influence of flowering tree density and general flowering magnitude in two dipterocarp species. (6/34)
(+info)Molecular genetic tools to infer the origin of forest plants and wood. (7/34)
(+info)Molecular database for classifying Shorea species (Dipterocarpaceae) and techniques for checking the legitimacy of timber and wood products. (8/34)
(+info)Dipterocarpaceae is not a medical term, but a taxonomic category in the field of botany. It refers to a family of flowering plants, also known as the dipterocarp family. These trees are primarily found in tropical rainforests of Southeast Asia and Madagascar. They are well-known for their tall stature and valuable timber, which is often used in construction, furniture, and other wood products.
While Dipterocarpaceae may not have a direct medical definition, some species within this family do have medicinal uses. For instance, the resin from certain dipterocarp trees has been traditionally used in Southeast Asia to treat various ailments such as diarrhea, skin diseases, and respiratory infections. However, it is essential to consult with healthcare professionals before using any plant-based remedies, as they can interact with other medications or have potential side effects.
"Theales" is not a medical term, but a taxonomic category in botany. It is an order of flowering plants that includes several families with economically important species, such as those yielding cork (Quercus suber), damask roses (Rosa damascena), and Brazil nuts (Bertholletia excelsa). Some Theales species also produce valuable timber, such as mahogany (Swietenia macrophylla) and teak (Tectona grandis).
The order Theales was established based on shared morphological characters, but recent molecular studies have challenged its monophyly (the idea that it forms a natural group with a single common ancestor). As a result, some families previously classified within Theales have been moved to other orders. Nonetheless, the term "Theales" remains in use as a formal taxonomic category in botany.
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Vatica - Wikipedia
Shorea7
- A total of 55 samples belonging to 48 taxa and 8 genera of family Dipterocarpaceae were investigated including of genus Dipterocarpus, Vatica, Anisoptera, Cotylelobium, Upuna, Dryobalanops, Shorea, and Monotes as outgroup taxon. (uni-goettingen.de)
- Phylogeny of PgiC gene in Shorea and its closely related genera (Dipterocarpaceae), the dominant trees in Southeast Asian tropical rain forests. (wikimedia.org)
- Morphological and molecular evidence of natural hybridization in Shorea (Dipterocarpaceae). (wikimedia.org)
- Confirmation of sequential flowering in Shorea (Dipterocarpaceae). (wikimedia.org)
- Winged fruits of Shorea (Dipterocarpaceae) from the Miocene of Southeast China: Evidence for the northward extension of dipterocarps during the Mid-Miocene Climatic Optimum. (wikimedia.org)
- 2011. Molecular database for classifying Shorea species (Dipterocarpaceae) and techniques for checking the legitimacy of timber and wood products. (wikimedia.org)
- Molecular phylogenetic study of Hopea and Shorea (Dipterocarpaceae): Evidence from the trnL-trnF and internal transcribed spacer regions. (wikimedia.org)
Genera1
- Dipterocarpaceae is a family of 16 genera and about 695 known species of mainly tropical lowland rainforest trees. (wikipedia.org)
Species4
- Dipterocarpaceae species can be either evergreen or deciduous. (wikipedia.org)
- This species in the family Dipterocarpaceae grows in the Philippines and is critically endangered in the wild. (fwbg.org)
- The redbay ambrosia beetle is native to Asia where its reported hosts include several species in the families Lauraceae, Dipterocarpaceae, Fagaceae (oak family), and Fabaceae (bean family) (Rabaglia et al . (dontmovefirewood.org)
- Dipterocarpaceae ( dipterocarps ) is a species-rich tree family distributed over the tropical belt of three continents of South America, Africa and Asia. (uni-goettingen.de)
Vatica1
- [1] Ang Vatica sakop sa kabanay nga Dipterocarpaceae . (wikipedia.org)
Dipterocarps2
- Dipterocarps or Dipterocarpaceae are a commercially important timberproducing and dominant keystone tree family in the rain forests of Borneo. (apn-gcr.org)
- The research team also discovered that trees in north Borneo belonging to the family Dipterocarpaceae (or dipterocarps, translating literally to winged seeds ) produce wood faster than neighbouring trees of other families, or any trees in the Amazonian sites. (leeds.ac.uk)
Family5
- Some 52-million-year-old amber found in the Gujarat province, India, containing a large amount of fossilized arthropods, was identified as sap from the family Dipterocarpaceae. (wikipedia.org)
- Molecular phylogeny of tribe Dipterocarpeae (family Dipterocarpaceae) based on sequence data of chloroplast and nuclear DNA. (uni-goettingen.de)
- Dipterocarpaceae is the most important tree family in the flora of Southeast Asia. (uni-goettingen.de)
- Of major importance in lowland rain forests are trees belonging to the family Dipterocarpaceae, an important pan-tropical group. (usatoday.com)
- Dammar gum is obtained by tapping trees of Dipterocarpaceae family or fossilized form is collected from ground. (coherentmarketinsights.com)
Indonesia1
- 2006. Molecular phylogeny of Dipterocarpaceae in Indonesia based on chloroplast DNA. (uni-goettingen.de)
Trees2
- During GF periods, most Dipterocarpaceae and many other trees flower profusely, while flowering plants are scant between GF periods. (ne.jp)
- Russulaceae are known as common ectomycorrhizal symbionts of Dipterocarpaceae trees in this type of habitat. (bvsalud.org)
Wood1
- action m ethods for wood of Dipterocarpaceae. (uni-goettingen.de)
Dryobalanops2
- Dryobalanops is a genus of the family Dipterocarpaceae, with a total of 7 species distributed in Sumatra, Peninsular Malaysia and Borneo (Ashton et al . (mybis.gov.my)
- An Dryobalanops in nahilalakip ha familia nga Dipterocarpaceae . (wikipedia.org)
Borneo1
- The greatest diversity of Dipterocarpaceae occurs in Borneo. (wikipedia.org)
Trees2
- Trees of Dipterocarpaceae have long been known for their ability to associate with ectomycorrhizal (ECM) fungi. (scialert.net)
- Diverse winged fruits of Dipterocarpaceae and legumes as well as leaves of 78 different broadleaf trees show that tropical seasonal rainforests extended further north than today, offering an insight into what changes might take place in a future warmer world if ecosystems are able to adapt. (scitechdaily.com)
Important1
- Interestingly, two important Indo-Malayan tree families, Fagacae and Dipterocarpaceae, are not present in the Solomons. (oneearth.org)