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Xanthones and derivatives have been shown to have beneficial
effects on some cardiovascular diseases, including ischemic heart disease,
atherosclerosis, hypertension and thrombosis. The protective effects in the cardiovascular system may be due to their antioxidant,
antiinflammatory, platelet aggregation inhibitory, antithrombotic and/or
vasorelaxant activities. In particular, the antagonism of endogenous
nitric oxide synthase inhibitors by xanthones may represent the basis for
improved endothelial function and for reduction of events associated with
atherosclerosis. They may also have anti-tumor activity thus
potentially having an influence in the prevention or treatment of
certain cancers.
Human studies
As of 2011, I am not aware of human studies with xanthones derived from
mangosteen.
buy Mangosteen pill 500 mg (whole
fruit and rind) - direct from Thailand
Developed by Ray Sahelian, M.D.
Made from the highest quality ORGANIC raw material available, direct from
Thailand. The actual active ingredients, xanthones, are mostly in the rind
and seed, and less in the fruit. We use the whole fruit - rind, seed and
fruit - in order to provide you with the full spectrum of xanthones. There
are about 20 different xanthones in the whole fruit. Half of this product
is rind, the other half whole fruit.
Supplement facts
Mangosteen 500 mg (Garcinia mangostana whole fruit
and pericarp or rind)
Click here to buy Mangosteen supplement product or to
subscribe to a Free newsletter
Additional beneficial fruit and berry
extract supplements include goji
berry, noni fruit extract,
pomegranate
fruit extract,
Acai berry extract and cranberry
fruit extract.
Dosage: Since human studies with mangosteen and xanthones are lacking, it is not easy to say what the ideal dosage is, plus, the ideal xanthone dosage may vary from person to person, and could vary based on the medical condition being treated, other supplements used, one's diet, other medicines used, etc.
What's in mangosteen fruit
Several compounds in mangosteen appear to be active, particularly xanthones. Some of these include mangostin, mangostenol, mangostenone
A, mangostenone B, trapezifolixanthone, tovophyllin B, alpha- and beta-mangostins,
garcinone B, mangostinone, mangostanol, mangosharin, and the flavonoid epicatechin.
Benefits
Antioxidant benefit
Bioavailability and antioxidant effects of a xanthone-rich Mangosteen (Garcinia
mangostana) product in humans.
J Agric Food Chem. 2009.
Brunswick Laboratories, Norton, Massachusetts, USA.
This study investigated the absorption and antioxidant effects of a xanthone-rich
mangosteen liquid in healthy human volunteers after the acute consumption of 59
mL of the supplement. The liquid contained mangosteen, aloe vera, green tea, and
multivitamins. Results indicated that alpha-mangostin and vitamins B(2) and B(5)
were bioavailableh. The antioxidant capacity measured with the oxygen radical
absorbance capacity (ORAC) assay was increased with a maximum effect of 18%
after 2 h, and the increased antioxidant level lasted at least 4 h. Overall,
this study demonstrated the bioavailability of antioxidants from a xanthone-rich
mangosteen product and its in vivo antioxidant effects.
Aromatase inhibition and
potential breast cancer inhibition
Xanthones from the botanical dietary supplement mangosteen (Garcinia
mangostana) with aromatase inhibitory activity.
J Nat Prod. 2008.
Department of Medicinal Chemistry and Pharmacognosy, Program for Collaborative
Research in the Pharmaceutical Sciences, College of Pharmacy, University of
Illinois at Chicago, Chicago, Illinois 60612, USA.
Twelve xanthone constituents of the botanical dietary supplement mangosteen
(the pericarp of Garcinia mangostana) were screened using a noncellular,
enzyme-based microsomal aromatase inhibition assay. Of these compounds,
garcinone D), garcinone E, alpha-mangostin, and gamma-mangostin exhibited
dose-dependent inhibitory activity. In a follow-up cell-based assay using
SK-BR-3 breast cancer cells that express high levels of aromatase, the most
potent of these four xanthones was gamma-mangostin. Because xanthones may be
consumed in substantial amounts from commercially available mangosteen products,
the consequences of frequent intake of mangosteen botanical dietary supplements
require further investigation to determine their possible role in breast cancer
chemoprevention.
Brain tissue
protection
The natural xanthone alpha-mangostin reduces oxidative damage in rat
brain tissue.
Nutr Neurosci. 2009. Laboratorio de Aminoácidos
Excitadores, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco
Suárez, Insurgentes Sur México DF, Mexico.
The antiperoxidative properties of alpha-mangostin, a xanthone isolated from
mangosteen fruit, were tested for the first time in nerve tissue exposed to
different toxic insults. Two reliable biological preparations (rat brain
homogenates and synaptosomal P2 fractions) were exposed to the toxic actions of
a free radical generator (ferrous sulfate), an excitotoxic agent (quinolinate),
and a mitochondrial toxin (3-nitropropionate). alpha-Mangostin decreased the
lipoperoxidative action of FeSO(4) in both preparations in a
concentration-dependent manner, and completely abolished the peroxidative
effects of quinolinate, 3-nitropropionate and FeSO(4) + quinolinate at all
concentrations tested. Interestingly, when tested alone in brain homogenates,
alpha-mangostin significantly decreased the lipoperoxidation even below basal
levels. alpha-mangostin exerts a robust antiperoxidative effect in brain tissue
preparations probably through its properties as a free radical scavenger. In
light of these findings, this antioxidant should be tested in other neurotoxic
models involving oxidative stress.
Cancer protection
Xanthones can cause
apoptosis which could be beneficial in cancer.
Leukemia
Induction of apoptosis by xanthones from
mangosteen in human leukemia cell lines.
J Nat Prod. 2003.
We examined the effects of six xanthones from the pericarps of
mangosteen, Garcinia mangostana, on the cell growth inhibition of human
leukemia cell line HL60. All xanthones displayed growth inhibitory
effects. Among them, alpha-mangostin showed complete inhibition at 10
microM through the induction of apoptosis.
Liver cancer
Garcinone E, a xanthone derivative, has potent
cytotoxic effect against hepatocellular carcinoma cell lines.
Planta Med. 2002.
We extracted and purified 6 xanthone compounds from
the rinds (peel) of the fruits of Garcinia mangostana L.and then tested the cytotoxic effects of these
compounds on a panel of 14 different human cancer cell lines including 6
hepatoma cell lines. Our results have shown that
one of the xanthone derivatives from mangosteen which could be identified as garcinone E
has potent cytotoxic effect on all liver cancer cell lines as well as on the other
gastric and lung cancer cell lines included in the screen.
Prostate cancer
Alpha-mangostin suppresses PC-3 human prostate carcinoma cell metastasis
by inhibiting matrix metalloproteinase-2/9 and urokinase-plasminogen expression
through the JNK signaling pathway.
J Agric Food Chem. 2009; Division of Urology, Department of Surgery, Jhong-Hua Road, Yong-Kang, Tainan 710, Taiwan,
Republic of China.
Alpha-mangostin, a component of Garcinia mangostana Linn, is a xanthone
derivative shown to have antioxidant and anticarcinogen properties. In this
study, we first report the antimetastatic effect of alpha-mangostin in the human
prostate carcinoma cell line PC-3.
Fungal infection
Evaluation of the antifungal activity of natural
xanthones from Garcinia mangostana (mangosteen) and their synthetic derivatives.
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