cratoxylum formosum/antioxidant

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Characterization of antioxidant and antiglycation properties and isolation of active ingredients from traditional chinese medicines.

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There is considerable interest in the isolation of more potent antioxidant compounds to treat diseases involving oxidative stress. Thirty-three traditional Chinese medicine (TCM) extracts were examined for their antioxidant activity using the 2,2'-azinobis[3-ethylbenzothiazoline-6-sulfonate] (ABTS)

Mechanism of cell death induced by an antioxidant extract of Cratoxylum cochinchinense (YCT) in Jurkat T cells: the role of reactive oxygen species and calcium.

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YCT is a semipurified extract from Cratoxylum cochinchinense that has antioxidant properties and contains mostly mangiferin. We show here that YCT is selectively toxic to certain cell types and investigate the mechanisms of this toxicity in Jurkat T cells. By flow cytometric analyses, we show that

Antioxidant properties of Teaw (Cratoxylum formosum Dyer) extract in soybean oil and emulsions.

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The antioxidant activity of an extract from Teaw (Cratoxylum formosum Dyer) leaves was studied in soybean oil and soybean oil-in-water emulsions. Samples containing the extract or reference antioxidants including chlorogenic acid, which comprises 60% of the Teaw extract, were stored at 60 degrees C

Antioxidant and vascular protective activities of Cratoxylum formosum, Syzygium gratum and Limnophila aromatica.

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Phytochemicals contained in dietary plants provide a variety of health benefits and may reduce the risk of cardiovascular diseases. The aqueous extracts from three popular Thai dietary and herbal plants, Cratoxylum formosum, Syzygium gratum, and Limnophila aromatica, were investigated for the

Antioxidant xanthones from Cratoxylum cochinchinense.

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A new xanthone named cratoxylumxanthone A (1), together with five known compounds: dulcisxanthone B (2), alpha-mangostin (3), beta-mangostin (4), 2-geranyl-1,3,7-trihydroxy-4-(3-methylbut-2-enyl)xanthone (5) and tectochrystin (6), was isolated from Cratoxylum cochinchinense stems. The structure of

New Benzophenones and Xanthones from Cratoxylum sumatranum ssp. neriifolium and Their Antibacterial and Antioxidant Activities.

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Two new benzophenones (1 and 2) and four new xanthones (4-6 and 17) together with 24 known compounds (3, 7-16, and 18-30) were isolated from the roots and twigs of Cratoxylum sumatranum ssp. neriifolium. Their structures were elucidated by spectroscopic methods. Compounds 5 and 26 showed

Assessing the antioxidant, cytotoxic, apoptotic and wound healing properties of silver nanoparticles green-synthesized by plant extracts.

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We synthesized silver nanoparticles using thirty Chinese plant extracts via a green synthetic strategy. UV-visible spectra showed that the silver nanoparticles have an absorbance at 450 nm. Among the thirty extracts, seven extracts (Cratoxylum formosum, Phoebe lanceolata, Scurrula parasitica,

α -Mangostin from Cratoxylum arborescens (Vahl) Blume Demonstrates Anti-Ulcerogenic Property: A Mechanistic Study.

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Cratoxylum arborescens (Vahl) Blume is an Asian herbal medicine with versatile ethnobiological properties including treatment of gastric ulcer. This study evaluated the antiulcerogenic mechanism(s) of α -mangostin (AM) in a rat model of ulcer. AM is a prenylated xanthone derived through biologically

Xanthone derivatives from Cratoxylum cochinchinense roots.

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Two xanthones and two caged-prenylated xanthones, named cochinchinones A-D, respectively, and a synthetically known caged-prenylated xanthone, together with seven known compounds were isolated from the roots of Cratoxylum cochinchinense (Lour.) Blume. Their structures were assigned on the basis of

Xanthones from the stems of Cratoxylum cochinchinense.

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Three xanthones, named cratoxylumxanthones B-D (1-3), along with five known xanthones (4-8), were isolated from the stems of Cratoxylum cochinchinense (Lour.) Blume. Their structures were elucidated by interpretation of spectroscopic data. Among these xanthones, cochinxanthone D (4) exhibited the

Cytotoxicity of Cratoxylum Formosum Subsp. Pruniflorum Gogel Extracts in Oral Cancer Cell Lines.

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BACKGROUND Oral cancer is a health problem in Thailand. Cratoxylum formosum subsp. pruniflorum Gogel (Teawdang), normally consumed in northeast Thailand, has proven cytotoxic to cervical cancer cell lines including HeLa, SiHa and C-33A. Recently, Asian oral cancer cell lines, ORL-48 and ORL-136,

Anticancer Potential of Cratoxylum formosum Subsp. Pruniflorum (Kurz.) Gogel Extracts Against Cervical Cancer Cell Lines.

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BACKGROUND Most northeast Thai vegetables may play roles in human health by acting as antioxidant and anticancer agents. Recent study showed that Cratoxylum formosum subsp. pruniflorum (Kurz.) Gogel. (Teawdang) could inhibit growth of liver cancer cell lines. Cervical cancer, which has human

Evidence of the gastroprotective and anti- Helicobacter pylori activities of β-mangostin isolated from Cratoxylum arborescens (vahl) blume.

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OBJECTIVE β-Mangostin (BM) from Cratoxylum arborescens demonstrated various pharmacological activities such as anticancer and anti-inflammatory. In this study, we aimed to investigate its antiulcer activity against ethanol ulcer model in rats. METHODS BM was isolated from C. arborescens. Gastric

Ultrasound-assisted extraction of phenolic compounds from Cratoxylum formosum ssp. formosum leaves using central composite design and evaluation of its protective ability against H2O2-induced cell death.

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OBJECTIVE To optimize the processing parameters for phenolic compounds extracted from Cratoxylum formosum ssp. formosum leaves using an ultrasound-assisted extraction and to evaluate its protective ability against H2O2-induced cell death. METHODS The influence of three independent variables

Cratoxylum formosum Extract Protects against Amyloid-Beta Toxicity in a Caenorhabditis elegans Model of Alzheimer's Disease.

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Amyloid-β, one of the hallmarks of Alzheimer's disease, is toxic to neurons and causes cell death in the brain. Oxidative stress is known to play an important role in Alzheimer's disease, and there is strong evidence linking oxidative stress to amyloid-β. The herbal plant "Tiew kon" (Cratoxylum

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