[HTML][HTML] Bioautography and its scope in the field of natural product chemistry

S Dewanjee, M Gangopadhyay, N Bhattacharya… - Journal of …, 2015 - Elsevier
Medicinal plants, vegetables and fruits are the sources of huge number of bioactive
lead/scaffolds with therapeutic and nutraceutical importance. Bioautography is a means of …

Natural antioxidants in cosmetics

I Kusumawati, G Indrayanto - Studies in natural products chemistry, 2013 - Elsevier
Many cosmetics that are marketed nowadays often contain antioxidants as the active
ingredients. It is known that oxidation reactions could produce free radicals, which can start …

A new colorimetric DPPH scavenging activity method with no need for a spectrophotometer applied on synthetic and natural antioxidants and medicinal herbs

Z Akar, M Küçük, H Doğan - Journal of enzyme inhibition and …, 2017 - Taylor & Francis
Diphenyl-1-picrylhydrazyl (DPPH•) radical scavenging, the most commonly used antioxidant
method with more than seventeen thousand articles cited, is very practical; however, as with …

Effect-directed analysis in food by thin-layer chromatography assays

I Cabezudo, MO Salazar, IA Ramallo, RLE Furlan - Food Chemistry, 2022 - Elsevier
Thin-layer chromatography (TLC) is widely used for food analysis and quality control. As an
open chromatographic system, TLC is compatible with microbial-, biochemical-, and …

A non-instrumental green analytical method based on surfactant-assisted dispersive liquid–liquid microextraction–thin-layer chromatography–smartphone-based …

B Jain, R Jain, PK Jaiswal, T Zughaibi, T Sharma… - Molecules, 2023 - mdpi.com
Favipiravir (FAV) has become a promising antiviral agent for the treatment of COVID-19.
Herein, a green, fast, high-sample-throughput, non-instrumental, and affordable analytical …

TLC Screening for Antioxidant Activity of Extracts from Fifteen Bamboo Species and Identification of Antioxidant Flavone Glycosides from Leaves of Bambusa. textilis …

J Wang, YD Yue, F Tang, J Sun - Molecules, 2012 - mdpi.com
Interest in the antioxidant activity of bamboo leaves is growing. To discover new sources of
natural antioxidants, a TLC bioautography method combined with a new image processing …

Cytotoxic, antioxidant, antimicrobial properties and chemical composition of rose petals

R Nowak, M Olech, Ł Pecio, W Oleszek… - Journal of the …, 2014 - Wiley Online Library
BACKGROUND Rosa rugosa petals are used for production of teas, jams, wines and juices.
Despite the wide availability of rose cultivars, comprehensive information on petal chemical …

Statistical comparative study between the conventional DPPH spectrophotometric and dropping DPPH analytical method without spectrophotometer: Evaluation for …

S Kandi, AL Charles - Food chemistry, 2019 - Elsevier
Recently, new approaches for measuring antioxidant activity have been developed to
eliminate or reduce the use of a spectrophotometer. All analytical methods must provide …

Approach to develop a standardized TLC-DPPH test for assessing free radical scavenging properties of selected phenolic compounds

Ł Cieśla, J Kryszeń, A Stochmal, W Oleszek… - … of Pharmaceutical and …, 2012 - Elsevier
TLC-DPPH test belongs to a group of frequently performed assays aimed at detection of
compounds with desired activity (effect directed analysis). Despite its popularity a standard …

[图书][B] Thin layer chromatography in drug analysis

L Komsta, M Waksmundzka-Hajnos, J Sherma - 2013 - books.google.com
Used routinely in drug control laboratories, forensic laboratories, and as a research tool, thin
layer chromatography (TLC) plays an important role in pharmaceutical drug analyses. It …