Results 1 to 10 of about 23,630,409 (308)

HPLC Analysis of tRNA‐Derived Nucleosides [PDF]

open access: yesBio-Protocol
Transfer RNAs (tRNAs), the essential adapter molecules in protein translation, undergo various post-transcriptional modifications. These modifications play critical roles in regulating tRNA folding, stability, and codon–anticodon interactions, depending ...
Xingxing Chen, Fu Xu
doaj   +2 more sources

Investigation of phenolic compounds, in vitro antioxidant and enzyme inhibition activities of methanol and aqueous extracts of different parts of Glaucosciadium cordifolium [PDF]

open access: yesBotanica Serbica, 2022
The present study was designed to evaluate the biological potentials and phenolic composition of different parts of Glaucosciadium cordifolium, which is less investigated and known as a wild endemic species to Turkey.
Nuraniye Eruygur   +6 more
doaj   +1 more source

HPLC Identification of Mare’s Milk and Its Mix with Cow’s Milk

open access: yesТехника и технология пищевых производств, 2021
Introduction. Mare’s milk is a valuable food product with medicinal properties. In combination with cow’s milk, it is used to create new functional foods. Efficient identification of mare’s milk, cow’s milk, and their mixes prevent falsification.
Vladimir P. Kurchenko   +5 more
doaj   +1 more source

Simultaneous Determination of Phenobarbital, Phenytoin, Carbamazepine and Carbamazepine-10,11-epoxide in Plasma of Epileptic Patients [PDF]

open access: yesPharmaceutical Sciences, 2019
Background: Quantitative analyses of antiepileptic drugs are required in clinic and to rational dosage adjustment, the clinician needs the blood levels of these drugs.
Azam Samadi   +5 more
doaj   +1 more source

Total phenolics, capsaicinoids, antioxidant activity, and α-glucosidase inhibitory activity of three varieties of pepper seeds

open access: yesInternational Journal of Food Properties, 2020
Chopped pepper, a traditionally fermented condiment product in China, is widely consumed because of its good flavor. However, large amounts of by-product, namely, chopped pepper seeds (CPS) are produced annually during the manufacture of chopped pepper ...
Yida Liu   +9 more
doaj   +1 more source

Anti-Candida activity of terpenes from Salvia ovalifolia, S. procurrens and S. uliginosa, native to South Brazil

open access: yesDrug Analytical Research, 2023
The essential oils of Salvia ovalifolia, S. procurrens and S. uliginosa were obtained by hydrodistillation and analyzed by gas chromatography-mass spectrometry.
Cristiano da Silva Sousa   +6 more
doaj   +1 more source

Phenolic Compounds, Antioxidant Activities, and Inhibitory Effects on Digestive Enzymes of Different Cultivars of Okra (Abelmoschus esculentus)

open access: yesMolecules, 2020
In this study, the phenolic profiles and bioactivities of five representative cultivars of okra collected in China were investigated. Noticeable variations of phenolic compounds and their bioactivities were observed among these different cultivars of ...
Ding-Tao Wu   +7 more
doaj   +1 more source

HPLC Analysis and Purification of Peptides [PDF]

open access: yes, 2007
High-performance liquid chromatography (HPLC) has proved extremely versatile over the past 25 yr for the isolation and purification of peptides varying widely in their sources, quantity and complexity. This article covers the major modes of HPLC utilized for peptides (size-exclusion, ion-exchange, and reversed-phase), as well as demonstrating the ...
Mant, Colin T.   +7 more
openaire   +2 more sources

Synthesis, properties and color assessment of some new 5-(3- and 4-substituted phenylazo)-4,6-dimethyl-3-cyano-2-pyridones [PDF]

open access: yesJournal of the Serbian Chemical Society, 2006
A series of 5-(3- and 4-substituted phenylazo)-4,6-dimethyl-3-cyano-2-pyridones were synthesized, starting from acetylacetone and arenediazonium salt, followed by condensation with cyanoacetamide using a modified literature procedure.
Mijin Dušan   +5 more
doaj   +1 more source

Antioxidant Activities, Phenolic Contents and Electronic Nose Analysis of Black Garlic

open access: yesInternational Journal of Secondary Metabolite, 2019
Black garlic is a processed garlic product with a moisture-controlled high temperature heat treatment for a long time. In order to determine the secondary metabolites of black garlics treated in the study, firstly, in vitro antioxidant activities of ...
Ozan Emre Eyupoglu
doaj   +1 more source

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