𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Determination of trans -Resveratrol Concentrations in Brazilian Red Wines by HPLC

✍ Scribed by André A. Souto; Manuel C. Carneiro; Marcus Seferin; Marcos J.H. Senna; Andressa Conz; Kristiane Gobbi

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
191 KB
Volume
14
Category
Article
ISSN
0889-1575

No coin nor oath required. For personal study only.

✦ Synopsis

The levels of trans-resveratrol in 36 commercial red wines produced in the southern region of Brazil have been measured using a direct injection isocratic UV-HPLC method. The concentration of trans-resveratrol ranged from 0.82 to 5.75 mg/L with a mean value of 2.57 mg/L (R.S.D.%"1.99).

📜 SIMILAR VOLUMES

Determination of trans-resveratrol in wi
Determination of trans-resveratrol in wine by micro-HPLC with fluorescence detection
✍ Ricardo Lopez; Paola Dugo; Luigi Mondello 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 345 KB

## Abstract A new method for the quantitative determination of __trans__‐resveratrol in wine has been optimized and validated. The method is based on the direct injection of 500 nL of wine in an HPLC system fitted with an RP microcolumn of 10 cm×0.32 mm and spectrofluorometric detection. The linear

Method of separation of anthocyanins in
Method of separation of anthocyanins in red wines by HPLC
✍ Drdák, M. ;Daučik, P. ;Simko, P. ;Karovičová, J. ;Rajniaková, A. 📂 Article 📅 1992 🏛 John Wiley and Sons 🌐 English ⚖ 128 KB

## Abstract The selective and reproducible separation of anthocyanins is important not only from the analytical but also from the practical points of view, for judgment the origin of anthocyanins in products of the most frequently occurring cultures of __Vitis vinifera__. This work deals with the

Analysis of anthocyanins in red wine by
Analysis of anthocyanins in red wine by HPLC using alkylamines
✍ Drdák, M. ;Daučik, P. ;Karovičová, I. ;Šimko, P. ;Rajniaková, A. ;Mórová, E. 📂 Article 📅 1992 🏛 John Wiley and Sons 🌐 English ⚖ 138 KB

## Abstract Red wine represents a complicated system of phenolic compounds which give typical properties to individual varieties. Anthocyanin pigments represent a determinant group and therefore special attention is given to its analysis. The separation in an acceptable time, the selective separati

Stereospecific determination of cis- and
Stereospecific determination of cis- and trans-resveratrol in rat plasma by HPLC: application to pharmacokinetic studies
✍ Xijing Chen; Hui He; Guangji Wang; Bing Yang; Weichao Ren; Le Ma; Qiaoling Yu 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 288 KB 👁 2 views

## Abstract A simple, accurate, precise, specific and reproducible high‐performance liquid chromatography (HPLC) method was developed for simultaneous determination of resveratrol isomers in rat plasma. __Cis__‐resveratrol was made by exposure of a __trans__‐resveratrol solution to sunlight for 5 d

Determination of Caffeic Acid in Red Win
Determination of Caffeic Acid in Red Wine by Voltammetric Method
✍ Luiz Fernando da Silva; Nelson Ramos Stradiotto; Herenilton Paulino Oliveira 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 262 KB

## Abstract The electrochemical oxidation of 3,4‐dihydroxycinnamic acid, caffeic acid, leads to a stable electroactive poly(caffeic acid) thin film containing quinone moiety on a preactivated glassy polymeric carbon electrode. The properties of the deposited films as well as the stability study und