Results 11 to 20 of about 23,630,409 (308)

HPLC-PDA-ELSD analysis of the hydroalcoholic extract of Bauhinia holophylla leaves.

, 2021
Grey dark dashed rectangles represent the presence of cyanoglucoside derivatives (left) and the flavonoid derivatives (right) in the HPLC chromatogram.
Aislan Quintiliano Delgado (9957076), Samad Nejad Ebrahimi (1828213), Emerson Ferreira Queiroz (522893), Anne Lígia Dokkedal (4690762), Priscilla Maria Ponce Vareda (11478460), Wagner Vilegas (465432), Laurence Marcourt (414136), Jean-Luc Wolfender (414138), José Roberto Bosqueiro (11478463), Luiz Leonardo Saldanha (4690753), Nathalia Aparecida de Paula Camaforte (11478457)   +10 more
core   +1 more source

Feeding of biofilm-dwelling nematodes examined using HPLC-analysis of gut pigment content [PDF]

, 2011
The natural feeding behaviour of the nematodes Chromadorina bioculata (Schultze in Carus 1857) and Chromadorina viridis (Linstow 1876) was studied in situ, within epilithic biofilms of the Garonne River (France).
Evelyne Buffan-Dubau, Buffan-Dubau, Evelyne, Tackx, Michèle, Traunspurger, Walter, Nabil Majdi, Walter Traunspurger, Michèle Tackx, Majdi, Nabil   +7 more
core   +1 more source

Physico-Chemical Properties and Oxidative Stability of Fixed Oil from Plum Seeds (Prunus domestica Linn.)

Biomolecules, 2020
Storage of a great amount of plum kernel waste becomes a challenge for food industry. In this work, the plum seed was used as a source of fixed oil that can be an ingredient of commercial products.
Ivan Savic, Ivana Savic Gajic, Dragoljub Gajic   +2 more
doaj   +1 more source

Analyzing food supplements to enhance erectile system function for the presence of undeclared sildenafil and tadalafil using HPLC-DAD [PDF]

Journal of the Serbian Chemical Society
Phosphodiesterase-5 (PDE-5) inhibitors, such as sildenafil and tadalafil, are drugs commonly used to improve erectile function. However, some erectile function-enhancing supplements with claims of being entirely natural may be adulterated with these ...
Bozhinoska Zorica, Zhivikj Zoran, Ubavkova Stefanija, Bujaroska-Perkovikj Marija, Poposka Verica, Stankov Aleksandar, Petreska-Ivanovska Tanja   +6 more
doaj   +1 more source

HPLC-MS analysis of methanolic extracts of Bougainvillea glabra leaves growing in the residential zone.

, 2020
HPLC-MS analysis of methanolic extracts of Bougainvillea glabra leaves growing in the residential zone.
Mohamed F. Azzazy (4836177)
core   +1 more source

Antiviral Activity of Zinc Oxide Nanoparticles Mediated by Plumbago indica L. Extract Against Herpes Simplex Virus Type 1 (HSV-1)

International Journal of Nanomedicine, 2021
Mina Michael Melk,1 Seham S El-Hawary,1 Farouk Rasmy Melek,2 Dalia Osama Saleh,3 Omar M Ali,4 Mohamed A El Raey,5 Nabil Mohamed Selim1 1Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Giza, Egypt; 2Chemistry of Natural Compounds ...
Melk MM, El-Hawary SS, Melek FR, Saleh DO, Ali OM, El Raey MA, Selim NM   +6 more
doaj  

HPLC-MS analysis of methanolic extracts of Bougainvillea glabra leaves growing in the industrial zone.

, 2020
HPLC-MS analysis of methanolic extracts of Bougainvillea glabra leaves growing in the industrial zone.
Mohamed F. Azzazy (4836177)
core   +1 more source

Determination of anthocyanins in red grape skin by pressurised fluid extraction and HPLC

Czech Journal of Food Sciences, 2008
Grape anthocyanins not only play an important role in the colour quality of red wines but they also have many beneficial effects on human health, e.g., reduction of coronary heart disease incidence, or anticarcinogenic and antioxidant properties ...
Barbora HOHNOVÁ, Lenka ŠŤAVÍKOVÁ, Pavel KARÁSEK   +2 more
doaj   +1 more source

Head-to-Head Comparison of High-Performance Liquid Chromatography versus Nuclear Magnetic Resonance for the Quantitative Analysis of Carbohydrates in Yiqi Fumai Lyophilized Injection

Molecules, 2023
Carbohydrate analysis can be used as a standard analysis for quality control of industries of plants, foods and pharmaceuticals. Quantitative 1H NMR spectroscopy (qNMR) is an excellent alternative to chromatography-based mixture analysis.
Yuesheng Xie, Dayong Zheng, Ting Yang, Zhenzhen Zhang, Wenwu Xu, Houru Liu, Wei Li   +6 more
doaj   +1 more source

HPLC Analysis of White Lupin Isoflavonoids

Bioscience, Biotechnology, and Biochemistry, 2000
An investigation of the HPLC analytical conditions for simple isoflavones, prenylated isoflavones and some of their glucosyl derivatives resulted in reasonable separation and total elution in 35 min when using a reversed-phase C18 Lichrospher column and a gradient elution system of MeCN-THF-H2O.
KATAGIRI, Yasufumi, IBRAHIM, Ragai K., TAHARA, Satoshi   +2 more
openaire   +2 more sources