Zobrazeno 1 - 10 of 49 pro vyhledávání: '"Jer-Huei Lin"'
1
Isolation and identification of a vardenafil analogue in a dietary supplement
Autor: Mu-Chang Tseng, Jer-Huei Lin, Yun-Lian Lin, Yi-Chu Liu, Kuo-Chih Lai
Publikováno v: Journal of Food and Drug Analysis. 15
A vardenafil analogue was found to be added illegally into a dietary supplement marketed for erectile dysfunction. Its structure was determined as 2-(2-ethoxyphenyl)-5-methyl-7-propyl-imidazo[5,1-f ][1,2,4]triazin-4(3H)-one. The sample was extracted
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cb03f0f576b202014769b758bdb9e677
https://doi.org/10.38212/2224-6614.2405
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2
Analysis of aristolochic acid in asarum (Xixin) and its preparations by liquid chromatography/tandem mass spectrometry
Autor: Ya-Hui Hsu, Chi-Fang Lo, Jer-Huei Lin, Fang-Su Liu
Publikováno v: Journal of Food and Drug Analysis. 17
A method for analysis of aristolochic acids (AAs: AA-Ⅰ, AA-Ⅱ) in Asarum (Xixin, named in Chinese) and its preparations by liquid chromatography coupled with tandem mass spectrometry has been developed. The chromatographic analysis was carried out
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::30943b2753f5a6f9ca7d24c3789ce1f4
https://doi.org/10.38212/2224-6614.2603
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3
Identification of ginseng radix in Chinese medicine preparations by nested PCR-DNA sequencing method and nested PCR-restriction fragment length polymorphism
Autor: Hui-Chun Lee, Jer-Huei Lin, Chi-Fang Lo, Fang-Su Liu, Kang-Tsu Lu
Publikováno v: Journal of Food and Drug Analysis. 18
Ginseng Radix, the dried root of Panax ginseng, is easily confused with other herbs of the Panax species by appearance. In Chinese medicine preparations, it is difficult to identify misuse of Ginseng Radix. In this study, the nested PCR and DNA seque
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3d0b4c4f3247add9844ee04361f3a9c5
https://doi.org/10.38212/2224-6614.2223
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4
Identification of turtle shell and its preparations by PCR-DNA sequencing method
Autor: Hsien-Chang Chang, Yi-Rong Lin, Jer-Huei Lin, Chi-Fang Lo
Publikováno v: Journal of Food and Drug Analysis. 14
A polymerase chain reaction (PCR) with DNA sequencing method has developed to identify the species of turtle shell specimens, skinned and bleached turtle shells, and its preparations. Two pairs of universal primer of mitochondrial gene, 125 rRNA (L:1
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::93c6d87165845a603c2c59c0cef1c534
https://doi.org/10.38212/2224-6614.2483
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5
Analyzing aristolochic acids in Chinese herbal preparations using LC/MS/MS
Autor: Chiu-Yu Huang, Mu-Chuan Tseng, Jer-Huei Lin
Publikováno v: Journal of Food and Drug Analysis. 13
This paper introduces a newly developed method of applying liquid chromatography-tandem mass spectrometry (LC/MS/MS) to the analysis of aristolochic acids (AAs) in Chinese herbal (medicinal) preparations. Sensitive and highly accurate readings were o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b8afbb52db53b8e9a0d455e4b4eba6b0
https://doi.org/10.38212/2224-6614.2543
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7
Isolation and identification of a novel sildenafil analogue adulterated in dietary supplements
Autor: Jer-Huei Lin, Mei-Chih Lin, Yi-Chu Liu, Yun-Lian Lin
Publikováno v: Journal of Food and Drug Analysis. 16
A suspected sildenafil analogue (1) was firstly detected from dietary supplements, which claimed for energy enforcement, by TLC and UV method. The UV spectrum of this suspected compound showed close similar pattern to that of acetildenafil (2, silden
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7599aa72adf4bc62e6577d5fe7d49640
https://doi.org/10.38212/2224-6614.2340
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9
Determination of sildenafil citrate adulterated in a dietary supplement capsule by LC/MS/MS
Autor: Mu-Chang Tseng, Jer-Huei Lin
Publikováno v: Journal of Food and Drug Analysis. 10
A liquid chromatography/tandem mass spectrometry (LC/MS/MS) method was used to identify and quantify an adulterated substance, in a dietary supplement capsule. The capsule is claimed to be an extract of animal organs and traditional Chinese herbs and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::81e5867ad59c7fc04f695477951381a1
https://doi.org/10.38212/2224-6614.2759
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10
Isolation and identification of three thio-sildenafil analogues in dietary supplements
Autor: Jer-Huei Lin, Yung-Chih Liao, Li-Yao Tsai, Kuo-Chih Lai, Yun-Lian Lin, Chi-Fang Lo, Yi-Chu Liu
Publikováno v: Journal of Food and Drug Analysis. 18
Three compounds were found to have been illegally added to dietary supplements marketed for erectile dysfunction. The structures of these compounds were identified with NMR, HRMS, IR, UV and LC/MS/MS, after comparison with the structure of sildenafil
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf1805effa5a729b0559ae71fb660f8c
https://doi.org/10.38212/2224-6614.2226
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