نتایج جستجو برای: adulterant identification
تعداد نتایج: 409449 فیلتر نتایج به سال:
Various chemicals can be added to urine specimens collected for drug analysis to abnormally elevate ionic concentrations and/or interfere with either immunoassay urine drug-screening procedures or gas chromatographic-mass spectrometric confirmation techniques. One such adulterant, "Urine Luck" (formula 5.3), has been identified in our previous research to contain potassium dichromate. Screening...
Pharmacognosy Research,2022,14,1,100-106.DOI:10.5530/pres.14.1.14Published:December 2021Type:Original ArticleAuthors:Pankaj Kumar, Javaid Fayaz Lone, and Sumeet Gairola Author(s) affiliations:Pankaj Kumar1,2, Lone1,2, Gairola1,2,* 1Plant Sciences Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, U.T. J&K, INDIA. 2Academy Scientific Innovative Research (AcSIR), Ghaziaba...
The authenticity of olive oil has been a significant long-term challenge. Extra virgin (EVOO) is the most desirable these products and commands high price, thus unscrupulous individuals often alter its quality by adulteration with lower grade oil. Most analytical methods employed for detection food require sample collection transportation to central laboratory analysis. We explore use portable ...
Senna occidentalis (L.) Link, of the family Caesalpiniaceae and locally known as ‘kalkasundha’ in India, is a medicinal plant of multifarious uses. Right from it’s earliest mentioning in ayurveda along with other earlier records claim its use as analgesic, antipyretic drug, to treat colitis, constipation, dysentery, jaundice, cholera, leprosy and many others. Its antibacterial, antifungal, anti...
A multinational collaborative team led by the U.S. Pharmacopeial Convention is currently investigating the potential of near-infrared (NIR) spectroscopy for nontargeted detection of adulterants in skim and nonfat dry milk powder. The development of a compendial method is challenged by the range of authentic or nonadulterated milk powders available worldwide. This paper investigates the sources ...
Two mathematical methods to quantify adulterations of extra virgin olive oil (EVOO) with refined olive oil (ROO), refined olive-pomace oil (ROPO), sunflower (SO) or corn (CO) oils have been described here. These methods are linear and non linear models based on chaotic parameters (CPs, Lyapunov exponent, autocorrelation coefficients and two fractal dimensions) which were calculated from UV-vis ...
Abstract This paper develops a new approach to fraud detection in honey. Specifically, we examine adulterating honey with sugar and use hyperspectral imaging machine learning techniques detect adulteration. The main contributions of this are introducing feature smoothing technique conform the classification model used adulterated samples perpetration an data set using imaging, which has been ma...
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