isosilybin/lamyropsis microcephala

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Separation and characterization of silybin, isosilybin, silydianin and silychristin in milk thistle extract by liquid chromatography-electrospray tandem mass spectrometry.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

A selective and sensitive liquid chromatography/tandem mass spectrometry (LC/MS/MS) method has been developed for the characterization of silymarin in commercially available milk thistle extract. In this study, six main active constituents, including silydianin, silychristin, diastereomers of

Complete isolation and characterization of silybins and isosilybins from milk thistle (Silybum marianum).

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Complete separation, isolation, and structural characterization of four diastereoisomeric flavonolignans, silybins A (1) and B (2), and isosilybins A (3) and B (4) from the seeds of milk thistle (Silybum marianum) were achieved for the first time using a preparative reversed-phase HPLC method. In

Identification of isosilybin a from milk thistle seeds as an agonist of peroxisome proliferator-activated receptor gamma.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Peroxisome proliferator-activated receptor gamma (PPARγ) is a key regulator of glucose and lipid metabolism. Agonists of this nuclear receptor are used in the treatment of type 2 diabetes and are also studied as a potential treatment of other metabolic diseases, including nonalcoholic fatty liver

Molecular structure and stereochemistry of silybin A, silybin B, isosilybin A, and isosilybin B, Isolated from Silybum marianum (milk thistle).

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Two pairs of diastereoisomeric flavonolignans, silybin A, silybin B, isosilybin A, and isosilybin B, were successfully separated from Silybum marianum by sequential silica gel column chromatography, preparative reversed-phase HPLC, and recrystallization. Complete stereochemical assignments at C-2,

Absolute configuration of isosilybin A by X-ray crystallography of the heavy atom analogue 7-(4-Bromobenzoyl)isosilybin A.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Isosilybin A (1) is one of the major flavonolignans that constitute silymarin, an extract of the fruits (achenes) of milk thistle (Silybum marianum). The chemistry of the Silybum flavonolignans has been studied for over four decades, and the absolute configuration of 1 has been determined previously

The effect of milk thistle (Silybum marianum) and its main flavonolignans on CYP2C8 enzyme activity in human liver microsomes.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Milk thistle is a widely-consumed botanical used for an array of purported health benefits. The primary extract of milk thistle is termed silymarin, a complex mixture that contains a number of structurally-related flavonolignans, the flavonoid, taxifolin, and a number of other constituents. The

Angiopreventive efficacy of pure flavonolignans from milk thistle extract against prostate cancer: targeting VEGF-VEGFR signaling.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

The role of neo-angiogenesis in prostate cancer (PCA) growth and metastasis is well established, but the development of effective and non-toxic pharmacological inhibitors of angiogenesis remains an unaccomplished goal. In this regard, targeting aberrant angiogenesis through non-toxic phytochemicals

Chemoenzymatic Synthesis, Characterization, and Scale-Up of Milk Thistle Flavonolignan Glucuronides.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Plant-based therapeutics, including herbal products, continue to represent a growing facet of the contemporary health care market. Mechanistic descriptions of the pharmacokinetics and pharmacodynamics of constituents composing these products remain nascent, particularly for metabolites produced

A systematic approach to evaluate herb-drug interaction mechanisms: investigation of milk thistle extracts and eight isolated constituents as CYP3A inhibitors.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Despite increasing recognition of potential untoward interactions between herbal products and conventional medications, a standard system for prospective assessment of these interactions remains elusive. This information gap was addressed by evaluating the drug interaction liability of the model

Milk thistle's active components silybin and isosilybin: novel inhibitors of PXR-mediated CYP3A4 induction.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Because cancer is often treated with combination therapy, unexpected pharmacological effects can occur because of drug-drug interactions. Several drugs are able to cause upregulation or downregulation of drug transporters or cytochrome P450 enzymes, particularly CYP3A4. Induction of CYP3A4 may

Milk thistle and prostate cancer: differential effects of pure flavonolignans from Silybum marianum on antiproliferative end points in human prostate carcinoma cells.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Extracts from the seeds of milk thistle, Silybum marianum, are known commonly as silibinin and silymarin and possess anticancer actions on human prostate carcinoma in vitro and in vivo. Seven distinct flavonolignan compounds and a flavonoid have been isolated from commercial silymarin extracts. Most

The effects of milk thistle (Silybum marianum) on human cytochrome P450 activity.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

Milk thistle (Silybum marianum) extracts are widely used as a complementary and alternative treatment of various hepatic conditions and a host of other diseases/disorders. The active constituents of milk thistle supplements are believed to be the flavonolignans contained within the extracts. In

Absorption and metabolism of milk thistle flavanolignans in humans.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

This study evaluated the absorption and metabolism of milk thistle flavonolignans silychristin, silydianin, silybin and isosilybin isomers (all together known as silymarin) in humans. Fourteen volunteers consumed an extract of milk thistle and urine was collected up to 48 h after consumption.

Mechanistic study of the biomimetic synthesis of flavonolignan diastereoisomers in milk thistle.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

The mechanism for the biomimetic synthesis of flavonolignan diastereoisomers in milk thistle is proposed to proceed by single-electron oxidation of coniferyl alcohol, subsequent reaction with one of the oxygen atoms of taxifolin's catechol moiety, and finally, further oxidation to form four of the

Accumulation of silymarin in milk thistle seeds under drought stress.

Перакладаць артыкулы могуць толькі зарэгістраваныя карыстальнікі

Увайсці / Зарэгістравацца

CONCLUSIONS According to the results obtained in this study, drought stress can enhance the accumulation of silymarin in milk thistle seeds. Moreover, under drought stress, the share of silybin increased which possess the greatest degree of biological activity among the silymarin components.

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