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# Judul Penulis Tahun Akses
Jurnal Institusi

Analytical Method Validation and Determination of Pyridoxine, Nicotinamide, and Caffeine in Energy Drinks Using Thin Layer Chromatography-Densitometry

Indonesian Journal of Chemistry; Vol 15, No 1 (2015); 9-15
Universitas Gadjah Mada, 2015DOI: 10.22146/ijc.21217http://creativecommons.org/licenses/by-nc-nd/4.0
Food supplement which contains vitamins and stimulants such as caffeine were classified as energy drink. TLC-densitometry method was chosen to determine the pyridoxine, nicotinamide, and caffeine in the energy drink sample. TLC plates of silica gel 6...
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Jurnal Institusi

Quantification of Andrographolide Isolated from Andrographis paniculata Nees Obtained from Traditional Market in Yogyakarta Using Validated HPLC

Indonesian Journal of Chemistry; Vol 16, No 2 (2016); 190-197
Universitas Gadjah Mada, 2018DOI: 10.22146/ijc.21163http://creativecommons.org/licenses/by-nc-nd/4.0
This research was aimed to quantification of andrographolide isolated from A. paniculata Ness found in traditional market in Yogyakarta using validated HPLC to obtain high level content of andrographolide. The extraction of andrographolide from A. pa...
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PubMed

TLC–Densitometry for Determination of Omeprazole in Simple and Combined Pharmaceutical Preparations

Pharmaceuticals (Basel)
Multidisciplinary Digital Publishing Institute (MDPI), 2022DOI: 10.3390/ph15081016https://creativecommons.org/licenses/by/4.0/
TLC combined with densitometry was used and chromatographic conditions developed to separate omeprazole and diclofenac sodium from their potential impurities. The development of the TLC–densitometry method is based on the elaboration of new chromat...
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PubMed

Chlorogenic acid content, essential oil compositions, and in vitro antioxidant activities of Chromolaena odorata leaves

J Adv Pharm Technol Res
Wolters Kluwer -- Medknow Publications, 2016DOI: 10.4103/2231-4040.177200https://creativecommons.org/licenses/by-nc-sa/3.0/
Chromolaena odorata (L.) R. M. King and H. Rob. is a Thai medicinal plant used for the treatment of wounds, rashes, diabetes, and insect repellent. The leaves of C. odorata were collected from 10 different sources throughout Thailand. The chemical co...
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PubMed

Influence of Different Chromatographic Conditions on the Level of Detection and Quantitation of Spironolactone by means of TLC-Densitometry

J Anal Methods Chem
Wiley, 2019DOI: 10.1155/2019/8792783https://creativecommons.org/licenses/by/4.0/
The aim of this study was to estimate the influence of different chromatographic conditions on the limits of detection and limits of quantitation (LODs and LOQs) of spironolactone by means of TLC-densitometry under different chromatographic condition...
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PubMed

Pharmacognostic Specifications and Lawsone Content of Lawsonia inermis Leaves

Pharmacognosy Res
Wolters Kluwer -- Medknow Publications, 2017DOI: 10.4103/0974-8490.199775https://creativecommons.org/licenses/by-nc-sa/3.0/
BACKGROUND: Lawsonia inermis L. has been used as a traditional or folk medicine for the treatment of a wide range of skin infectious diseases. OBJECTIVE: The objective of this study was to determine the pharmacognostic specifications and lawsone cont...
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PubMed

Quality evaluation of Kaempferia parviflora rhizome with reference to 5,7-dimethoxyflavone

J Adv Pharm Technol Res
Wolters Kluwer -- Medknow Publications, 2018DOI: 10.4103/japtr.JAPTR_147_17https://creativecommons.org/licenses/by-nc-sa/3.0/
Kaempferia parviflora Wall. ex Baker is a medicinal plant found in the upper Northeastern regions of Thailand, which belongs to Zingiberaceae family. The present study aims to investigate the standardization parameters, to analyze chemical constituen...
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PubMed

Determination of Flavonoids, Phenolic Acids, and Xanthines in Mate Tea (Ilex paraguariensis St.-Hil.)

J Anal Methods Chem
Wiley, 2013DOI: 10.1155/2013/658596https://creativecommons.org/licenses/by/3.0/
Raw material, different formulations of foods, and dietary supplements of mate demands control of the content of bioactive substances for which high performance thin layer chromatography (TLC), described here, presents simple and rapid approach for d...
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PubMed

Validation Thin Layer Chromatography for the Determination of Acetaminophen in Tablets and Comparison with a Pharmacopeial Method

Biomed Res Int
Wiley, 2013DOI: 10.1155/2013/545703https://creativecommons.org/licenses/by/3.0/
Adsorption thin layer chromatography (NP-TLC) with densitometry has been established for the identification and the quantification of acetaminophen in three leading commercial products of pharmaceutical tablets coded as brand: P1 (Product no. 1), P2 ...
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PubMed

Effect of total lung capacity and gender on CT densitometry indexes

Br J Radiol
Oxford University Press, 2015DOI: 10.1259/bjr.20150631© 2015 The Authors. Published by the British Institute of Radiology
OBJECTIVE: Testing the hypothesis that CT densitometry indexes could be influenced by total lung capacity (TLC), gender and height in normal individuals. METHODS: In this ethics committee–approved prospective study, 100 healthy non-smoking voluntee...
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PubMed

Development and validation of TLC-densitometry method for quantification of tetraprenyltoluquinone in the stem bark hexane extract of Garcinia cowa roxb

Heliyon
Elsevier, 2022DOI: 10.1016/j.heliyon.2022.e10437https://creativecommons.org/licenses/by-nc-nd/4.0/
A thin layer chromatography (TLC) method coupled with densitometry was optimized and established to quantify tetraprenyltoloquinon (TPTQ) in the hexane extract of Garcinia cowa roxb stem bark. The stationary phase was TLC plates of silica gel 60 F254...
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PubMed

COMPARISON OF PLASMA PHENYLALANINE DETERMINATION BY DENSITOMETRY OF THIN-LAYER CHROMATOGRAMS AND BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY IN RELATION WITH THE SCREENING OF PHENYLKETONURIA

Acta Endocrinol (Buchar)
Acta Endocrinologica Foundation, 2017DOI: 10.4183/aeb.2017.203©by Acta Endocrinologica Foundation
OBJECTIVE: To compare two chromatographic methodologies for determination of plasma phenylalanine (Phe) and their usefulness for diagnosing hyperphenylalaninemia (HPA) and phenylketonuria (PKU). METHODS: The plasma amino acids were isolated and conce...
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PubMed

Simultaneous determination of five active compounds in chimonanthus nitens by double-development HPTLC and scanning densitometry

Chem Cent J
BMC, 2012DOI: 10.1186/1752-153X-6-46https://creativecommons.org/licenses/by/2.0/
BACKGROUND: Chimonanthus nitens (family Calycanthaceae), Shanlamei in Chinese, is an unique species in China. The extract of dried leaves of Chimonanthus nitens has anti-inflammatory, antipyretic and antitussive effects. Terpenes, coumarins, and flav...
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PubMed

Determination of Cassiarin A Level of Cassia siamea Leaf Obtained from Various Regions in Indonesia Using the TLC-Densitometry Method

ScientificWorldJournal
Wiley, 2020DOI: 10.1155/2020/7367836https://creativecommons.org/licenses/by/4.0/
Cassia siamea leaf has been proven in vitro and in vivo to have a strong antimalarial activity with Cassiarin A as its active compound. To obtain a source of C. siamea medicinal plant with high level of active antimalarial compound (Cassiarin A), a v...
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PubMed

Dual-mode gradient HPLC and TLC densitometry methods for the simultaneous determination of paracetamol and methionine in the presence of paracetamol impurities

J AOAC Int
2021DOI: 10.1093/jaoacint/qsab021© AOAC INTERNATIONAL 2021. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections. This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model)
BACKGROUND: Paracetamol is one of the most widely analgesic and antipyretic drugs recently integrated into the supportive therapy of COVID-19. The pharmaceuticals containing methionine with paracetamol may contribute to avoid hepatotoxicity and event...
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PubMed

A Simple and Cost-Effective TLC-Densitometric Method for the Quantitative Determination of Acetylsalicylic Acid and Ascorbic Acid in Combined Effervescent Tablets

Molecules
Multidisciplinary Digital Publishing Institute (MDPI), 2018DOI: 10.3390/molecules23123115http://creativecommons.org/licenses/by/4.0/
A new, simple, and cost-effective TLC-densitometric method has been established for the simultaneous quantitative determination of acetylsalicylic acid and ascorbic acid in combined effervescent tablets. Separation was performed on aluminum silica ge...
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PubMed

Employing Response Surface Methodology for the Optimization of Ultrasound Assisted Extraction of Lutein and β-Carotene from Spinach

Molecules
Multidisciplinary Digital Publishing Institute (MDPI), 2015DOI: 10.3390/molecules20046611http://creativecommons.org/licenses/by/4.0/
The extraction of lutein and β-carotene from spinach (Spinacia oleracea L.) leaves is important to the dietary supplement industry. A Box-Behnken design and response surface methodology (RSM) were used to investigate the effect of process variables ...
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PubMed

Quality evaluation with reference to clitoriacetal and in vitro antioxidant activities of Clitoria macrophylla root

J Adv Pharm Technol Res
Wolters Kluwer -- Medknow Publications, 2019DOI: 10.4103/japtr.JAPTR_67_19https://creativecommons.org/licenses/by-nc-sa/4.0/
Clitoria macrophylla Wall. (syn. Clitoria hanceana Hemsl.), is commonly known in Thai as Nontai-yak, An-chan-pa, or Ueang-chan-pa, which belongs to Leguminosae family. According to traditional Thai medicine, the root has been used for the treatment o...
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PubMed

Chromatographic Analysis of the Flavonoids from Robinia Pseudoacacia Species

Curr Health Sci J
Editura Medicală Universitară, 2013Copyright © 2013, Medical University Publishing House Craiova
The purpose of this study was the qualitative and quantitative analysis of flavonoids from Robinia pseudoacacia using two different techniques of analysis: Thin Layer Chromatography (TLC) and TLC coupled with photo-densitometry. The results obtained ...
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PubMed

Development and Validation of a TLC-Densitometry Method for Histamine Monitoring in Fish and Fishery Products

Molecules
Multidisciplinary Digital Publishing Institute (MDPI), 2020DOI: 10.3390/molecules25163611http://creativecommons.org/licenses/by/4.0/
Histamine poisoning is a significant public health problem. Therefore, the monitoring of histamine content in fish and fishery products is considered to be a crucial measure in the seafood industry. In the present study, a simple and rapid densitomet...
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