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Year Number of Results
1965 2
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1977 2
1987 1
1989 2
1990 2
1993 1
1996 1
1998 1
2000 4
2002 1
2003 1
2005 2
2006 1
2007 3
2008 4
2009 1
2010 1
2011 3
2012 2
2013 1
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2018 1
2019 1
2020 2
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42 results

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Page 1
Simultaneous determination of bromhexine hydrochloride and methyl and propyl p-hydroxybenzoate and determination of dextromethorphan hydrobromide in cough-cold syrup by high-performance liquid chromatography.
Rauha JP, Salomies H, Aalto M. Rauha JP, et al. J Pharm Biomed Anal. 1996 Nov;15(2):287-93. doi: 10.1016/0731-7085(96)01846-8. J Pharm Biomed Anal. 1996. PMID: 8933431
Liquid chromatographic methods were developed for the determination of bromhexine hydrochloride, methyl p-hydroxybenzoate and propyl p-hydroxybenzoate (method A) and dextromethorphan hydrobromide (method B) in cough-cold syrup formulations. ...
Liquid chromatographic methods were developed for the determination of bromhexine hydrochloride, methyl p-hydroxybenzoate and propyl …
Determination of bifonazole in creams containing methyl- and propyl p-hydroxybenzoate by derivative spectrophotometric method.
Popović G, Cakar M, Agbaba D. Popović G, et al. J Pharm Biomed Anal. 2003 Sep 15;33(1):131-6. doi: 10.1016/s0731-7085(03)00228-0. J Pharm Biomed Anal. 2003. PMID: 12946540
A second order derivative spectrophotometric method for the determination of bifonazole in the presence of methyl- and propyl p-hydroxybenzoate as preservatives has been developed. The determination was performed in a 0.1 M HCl solution at 241.5 nm, a wavelen …
A second order derivative spectrophotometric method for the determination of bifonazole in the presence of methyl- and propyl p …
Ciliotoxicity of methyl- and propyl-p-hydroxybenzoates: a dose-response and surface-response study.
Jian L, Li Wan Po A. Jian L, et al. J Pharm Pharmacol. 1993 Oct;45(10):925-7. doi: 10.1111/j.2042-7158.1993.tb05624.x. J Pharm Pharmacol. 1993. PMID: 7904636
The effect of methyl-p-hydroxybenzoate (methyl paraben, MHB) and propyl-p-hydroxybenzoate (propyl paraben, PHB) on ciliary beat frequency was investigated using surface-response methodology. ...
The effect of methyl-p-hydroxybenzoate (methyl paraben, MHB) and propyl-p-hydroxybenzoate (propyl paraben, PHB) on cili …
[Determination of seven paraben preservatives in aquatic seasoning using solid-phase extraction coupled with high performance liquid chromatography].
Ning XP, Yao Q, Xu ZX, Yin Y, Liu H, Zhang XY, Ding T, Zhang Y, Hou Y, Wang MR, Wu LN, Tang QT. Ning XP, et al. Se Pu. 2023 Jun 8;41(6):513-519. doi: 10.3724/SP.J.1123.2022.10004. Se Pu. 2023. PMID: 37259876 Free PMC article. Chinese.
Herein, a novel method based on solid-phase extraction (SPE) coupled with high performance liquid chromatography (HPLC) was developed for the determination of seven paraben preservatives (methyl p-hydroxybenzoate, ethyl p-hydroxybenzoate, propyl p-hydroxybenzoate …
Herein, a novel method based on solid-phase extraction (SPE) coupled with high performance liquid chromatography (HPLC) was developed for th …
Determination of nine preservatives in processed foods using a modified QuEChERS extraction and quantified by HPLC-PDA.
Iwakoshi K, Shiozawa Y, Yamajima Y, Baba I, Monma K, Kobayashi C, Sasamoto T. Iwakoshi K, et al. Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2019 Jul;36(7):1020-1031. doi: 10.1080/19440049.2019.1615644. Epub 2019 May 17. Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2019. PMID: 31100042
In this study, a new method was developed for simultaneously determining nine preservatives, that is, benzoic acid (BA), sorbic acid (SOA), dehydroacetic acid (DHA) and PHBAs (methyl p-hydroxybenzoate [PHBA-me], ethyl p-hydroxybenzoate [PHBA-et], isopropyl p-hydroxybenzoate [PHBA …
In this study, a new method was developed for simultaneously determining nine preservatives, that is, benzoic acid (BA), sorbic acid (SOA), …
Lack of oestrogenic effects of food preservatives (parabens) in uterotrophic assays.
Hossaini A, Larsen JJ, Larsen JC. Hossaini A, et al. Food Chem Toxicol. 2000 Apr;38(4):319-23. doi: 10.1016/s0278-6915(99)00160-x. Food Chem Toxicol. 2000. PMID: 10722885
The oestrogenic activity of the parabens, methyl-, ethyl- and propyl p-hydroxybenzoate, widely used as antimicrobials in food, and butyl p-hydroxybenzoate, which is used in cosmetic products, and their shared main metabolite p-hydroxybenzoic acid was investig …
The oestrogenic activity of the parabens, methyl-, ethyl- and propyl p-hydroxybenzoate, widely used as antimicrobials i …
Ovariectomized mouse uterotrophic assay of 36 chemicals.
Ohta R, Takagi A, Ohmukai H, Marumo H, Ono A, Matsushima Y, Inoue T, Ono H, Kanno J. Ohta R, et al. J Toxicol Sci. 2012;37(5):879-89. doi: 10.2131/jts.37.879. J Toxicol Sci. 2012. PMID: 23037998 Free article.
Pigment orange, Tetrabromobis-phenol-A, 2-Hydroxy-4-methoxybenzophenone, Ethylparaben, Propyl p-hydroxybenzoate, Kaempferol, 2-(2-Benzotriazolyl)-p-cresol and Phenolphthalein were negative for both effects. ...
Pigment orange, Tetrabromobis-phenol-A, 2-Hydroxy-4-methoxybenzophenone, Ethylparaben, Propyl p-hydroxybenzoate, Kaempf …
[Competitive binding of some alkyl p-hydroxybenzoates to human estrogen receptor alpha and beta].
Satoh K, Nagai F, Aoki N, Nishijima M. Satoh K, et al. Yakugaku Zasshi. 2000 Dec;120(12):1429-33. doi: 10.1248/yakushi1947.120.12_1429. Yakugaku Zasshi. 2000. PMID: 11193391 Japanese.
Alkyl p-hydroxybenzoates such as isobutyl p-hydroxybenzoate (PHBA-iBu), butyl p-hydroxybenzoate (PHBA-nBu), isopropyl p-hydroxybenzoate (PHBA-iPr), propyl p-hydroxybenzoate (PHBA-nPr), ethyl p-hydroxybenzoate (PHBA-Et), and methyl p-hydroxybenzoate (PHBA-Me) …
Alkyl p-hydroxybenzoates such as isobutyl p-hydroxybenzoate (PHBA-iBu), butyl p-hydroxybenzoate (PHBA-nBu), isopropyl p-hydroxybenzoate (PHB …
The effect of some preservatives used in nasal preparations on mucociliary clearance.
Batts AH, Marriott C, Martin GP, Bond SW. Batts AH, et al. J Pharm Pharmacol. 1989 Mar;41(3):156-9. doi: 10.1111/j.2042-7158.1989.tb06420.x. J Pharm Pharmacol. 1989. PMID: 2568440
The effect of methyl-p-hydroxybenzoate, propyl-p-hydroxybenzoate, chlorbutol, chlorocresol, EDTA, benzalkonium chloride, chlorhexidine, phenylmercuric nitrate and phenylmercuric borate on mucociliary transport rate of the frog palate has been examined. ...
The effect of methyl-p-hydroxybenzoate, propyl-p-hydroxybenzoate, chlorbutol, chlorocresol, EDTA, benzalkonium chloride …
[Simultaneous determination of nine kinds of preservatives in foods by HPLC].
Kishi H, Yamada T. Kishi H, et al. Shokuhin Eiseigaku Zasshi. 2007 Jun;48(3):58-63. doi: 10.3358/shokueishi.48.58. Shokuhin Eiseigaku Zasshi. 2007. PMID: 17657998 Free article. Japanese.
A simple and rapid HPLC method was developed for the simultaneous determination of nine kinds of preservatives, benzoic acid (BA), sorbic acid (SOA), dehydroacetic acid (DHA), methyl p-hydroxybenzoate (PHBA-Me), ethyl p-hydroxybenzoate (PHBA-Et), isopropyl p-hydroxybenzoate (PHBA …
A simple and rapid HPLC method was developed for the simultaneous determination of nine kinds of preservatives, benzoic acid (BA), sorbic ac …
42 results