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Simultaneous determination of 38 phosphodiestrase-5 inhibitors in illicit erectile dysfunction products by liquid chromatography-electrospray ionization-tandem mass spectrometry.

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Monitoring of 29 weight loss compounds in foods and dietary supplements by LC-MS/MS

A total of 29 weight loss compounds, including sennoside, sibutramine, ephedrine and their analogues, found to be adulterated in foods and dietary supplements were simultaneously examined by LC-MS/MS.
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LC-ESI-MS/MS analysis of phosphodiesterase-5 inhibitors and their analogues in foods and dietary supplements in Korea

A method to identify phosphodiesterase-5 (PDE-5) inhibitors and their analogues using liquid chromatography-electrospray ionisation-mass Spectrometry/mass spectrometry (LC-ESI-MS/MS) was validated and tadalafil group compounds were most frequently observed.
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Determination of non-opioid analgesics in adulterated food and dietary supplements by LC-MS/MS

Various types of samples, in particular pills and capsules, were found to be adulterated with non-opioid analgesics, and Samples containing high concentrations of analgesics can have a deleterious effect on human health, and thus the continued monitoring of adulterate food and dietary supplements is essential to maintain a healthy life.
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Monitoring by LC-MS/MS of 48 compounds of sildenafil, tadalafil, vardenafil and their analogues in illicit health food products in the Korean market advertised as enhancing male sexual performance

The results of screening for PDE5 inhibitor pharmaceuticals as adulterants in illicit health food products are of great significance with respect to the protection of public health and consumer safety.
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Discrimination of commercial cheeses from fatty acid profiles and phytosterol contents obtained by GC and PCA.

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Determination of anabolic-androgenic steroid adulterants in counterfeit drugs by UHPLC-MS/MS.

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Identification and screening of a tadalafil analogue found in adulterated herbal products.

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Identification of a new tadalafil analogue found in a dietary supplement

The structure of the previous unknown compound was confirmed as (6R,12aR)-2-acetamino-6-(1,3-benzodioxol-5-yl)-2,3,6,7,12, 12a-hexahydro-pyrazino[1′,2′:1,6]pyrido-1,4-dione and named as acetaminotadalafil.
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Monitoring of 35 illegally added steroid compounds in foods and dietary supplements

  • Sooyeul ChoH. Park W. Kim
  • Chemistry, Medicine
    Food Additives and Contaminants Part A-chemistry…
  • 18 July 2014
Monitoring illegally adulterated health food products by applying multiple reaction monitoring techniques to tandem liquid chromatography-mass spectrometry (LC-MS/MS) found six compounds were observed overall, including dexamethasone, and found in some samples in high concentrations.
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