Results 101 to 110 of about 42,313 (286)
Abstract BACKGROUND Peanut skin, a byproduct of peanut processing, is a rich source of phenolic compounds (520.65 mgGAE (100 g)−1 d.b.) with strong antioxidant capacity, but which remains underutilized. The direct incorporation of phenolic extracts into dairy products is challenging, due to their instability during processing and storage and possible ...
Ana Carolina Tucumantel Ribeiro +7 more
wiley +1 more source
Abstract BACKGROUND The present study aimed to valorize broccoli by‐products (leaves and stems) through the extraction of bioactive compounds using supercritical fluid extraction (SFE). The influence of broccoli variety, plant part and maturation stage on total phenolic content (TPC), antioxidant activity and antimicrobial properties was evaluated ...
Iris Gudiño +5 more
wiley +1 more source
Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, 60800, Pakistan E-mail : asadbzu@yahoo.com Manuscript received online 21 December 2012, revised 06 January 2013, accepted 08 January 2013 A fast and selective spectrophotometric method for the determination of zolmitriptan in pharmaceutical bulk and dosage forms is described.
Tariq Mahmood Ansari, Asad Raza
openaire +2 more sources
Folin-Ciocalteau Reagent for Polyphenolic Assay
The chemistry of the Folin-Ciocalteu is described and two Folin assays (single and dual reagent) are described for the assay of phenols and polyphenols with respect to experimental detail and critically evaluated for pure compounds and for mixtures ...
Gabriel A Agbor +2 more
core +1 more source
Abstract BACKGROUND Preventing chronic liver damage is essential for maintaining overall health and reducing the risk of serious liver diseases. Acetaminophen (APAP) overdose can lead to severe liver damage due to oxidative stress, and citrus fruits are rich in bioactive compounds that may have health benefits.
Po‐Yao Tsai +7 more
wiley +1 more source
Conventional spectrophotometric methods used for determining total phenolic content and antioxidant activity are typically time-consuming, labor-intensive, and require large amounts of reagents.
Ewa Majewska, Beata Drużyńska
doaj +1 more source
Sensitive and selective spectrophotometric assay of doxycycline hyclate in pharmaceuticals using Folin-Ciocalteu reagent [PDF]
Doxycycline hyclate (DOX), chemically known as (4S,4aR,5S,5aR,6R,12aS)-4-(dimethylamino)-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide hydrochloride hemiethanol hemihydrate The drug is official in ...
Pavagada Jagannathamurthy +2 more
core
Abstract BACKGROUND Preharvest light management is increasingly used to enhance yield and fruit quality in soilless systems, yet its effects on unripe melon fruits remain poorly understood. This study evaluated the impact of supplemental red–blue light‐emitting diode (LED) lighting applied during cultivation in a closed‐cycle hydroponic system on ...
Onofrio Davide Palmitessa +7 more
wiley +1 more source
Abstract BACKGROUND Cocoa (Theobroma cacao L.) from the Brazilian Amazon plays an important role in national production. While most cocoa is cultivated in upland systems, floodplain ecosystems represent a traditional and distinct production environment that may influence bean composition and quality.
Danielle Amaral e Silva +6 more
wiley +1 more source
A Study of the UV Spectral Features in Wine and Their Correlation with Phenolic Constituents
Background: This study investigated the ultraviolet (UV) absorption spectra of various types and ages of grape wines and the correlation these spectra presented with their phenolic constituents.
Joel B. Johnson +5 more
doaj +1 more source

