Beata Walczak - Publications, H-index & Citations

Beata Walczak

University of Silesia in Katowice

54H指数

224论文数

1.1W被引数

收录论文 116

发表时间

Adulteration detection of natural samples using a class-modelling approach - Application to rooibos and honeybush herbal teas

JOURNAL OF FOOD COMPOSITION AND ANALYSIS

IF4.6

2024-07-01

PREAI

Malyjurek, Zuzanna; de Beer, Dalene; Joubert, Elizabeth; Koch, Szymon; Zawisza, Beata; Walczak, Beata

Combining class-modelling and discriminant methods for improvement of products authentication

CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS

IF3.8

2022-09-01

PREAI

Malyjurek, Zuzanna; de Beer, Dalene; Joubert, Elizabeth; Walczak, Beata

Class-modelling of overlapping classes. A two-step authentication approach

ANALYTICA CHIMICA ACTA

IF6

2022-01-01

PREAI

Malyjurek, Zuzanna; de Beer, Dalene; van Schoor, Helene; Colling, Janine; Joubert, Elizabeth; Walczak, Beata

The scope of applicability of the selected class-modelling methods

CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS

IF3.8

2021-11-01

PREAI

Malyjurek, Zuzanna; Walczak, Beata

Non-destructive elemental analysis of herbal teas from South Africa 来自南非的草药茶的非破坏性元素分析

JOURNAL OF FOOD COMPOSITION AND ANALYSIS

IF4.6

2021-09-01

PREAI

Zawisza, Beata; Musielak, Marcin; de Beer, Dalene; Joubert, Elizabeth; Walczak, Beata

Authentication of honeybush and rooibos herbal teas based on their elemental composition

FOOD CONTROL

IF6.3

2021-05-01

PREAI

Malyjurek, Zuzanna; Zawisza, Beata; de Beer, Dalene; Joubert, Elizabeth; Walczak, Beata

Ultratrace determination of metal ions using graphene oxide/carbon nanotubes loaded cellulose membranes and total-reflection X-ray fluorescence spectrometry: A green chemistry approach

SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY

IF3.8

2021-03-01

OAAI

Musielak, Marcin; Kocot, Karina; Zawisza, Beata; Talik, Ewa; Margui, Eva; Queralt, Ignasi; Walczak, Beata; Sitko, Rafal

High-temperature oxidation reduces the bitterness of honeybush infusions depending on changes in phenolic composition

LWT-FOOD SCIENCE AND TECHNOLOGY

IF6.6

2021-03-01

PREAI

Alexander, Lara; Moelich, Erika Ilette; de Beer, Dalene; Muller, Magdalena; Walczak, Beata; Joubert, Elizabeth

Different strategies for class model optimization. A comparative study

TALANTA

IF6.1

2020-08-01

PREAI

Malyjurek, Zuzanna; Vitale, Raffaele; Walczak, Beata

Model development for predictingin vitrobio-capacity of green rooibos extract based on composition for application as screening tool in quality control

FOOD & FUNCTION

IF5.4

2020-01-01

PREAI

Viraragavan, Amsha; Hlengwa, Nokulunga; de Beer, Dalene; Riedel, Sylvia; Miller, Neil; Bowles, Sandra; Walczak, Beata; Muller, Christo; Joubert, Elizabeth

Phenolic composition of rooibos changes during simulated fermentation: Effect of endogenous enzymes and fermentation temperature on reaction kinetics

FOOD RESEARCH INTERNATIONAL

IF8

2019-07-01

PREAI

De Beer, Dalene; Tobin, Jade; Walczak, Beata; Van der Rijst, Marieta; Joubert, Elizabeth

Working with log-ratios

ANALYTICA CHIMICA ACTA

IF6

2019-06-01

PREAI

Malyjurek, Zuzanna; de Beer, Dalene; Joubert, Elizabeth; Walczak, Beata

Genotypic variation in phenolic composition of Cyclopia pubescens (honeybush tea) seedling plants

JOURNAL OF FOOD COMPOSITION AND ANALYSIS

IF4.6

2019-05-01

PREAI

Walters, Nico A.; de Beer, Dalene; de Villiers, Andre; Walczak, Beata; Joubert, Elizabeth

Chemometrics in analytical chemistrypart II: modeling, validation, and applications

ANALYTICAL AND BIOANALYTICAL CHEMISTRY

IF3.8

2018-08-02

114

PREAI

Brereton, Richard G.; Jansen, Jeroen; Lopes, Joao; Marini, Federico; Pomerantsev, Alexey; Rodionova, Oxana; Roger, Jean Michel; Walczak, Beata; Tauler, Roma

Robust biomarker identification in a two-class problem based on pairwise log-ratios 基于成对对数比的两类问题中的鲁棒生物标志物识别

CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS

IF3.8

2017-12-01

PREAI

Walach, Jan; Filzmoser, Peter; Hron, Karel; Walczak, Beata; Najdekr, Lukas

Untargeted analysis of chromatographic data for green and fermented rooibos: Problem with size effect removal 绿色和发酵的rooibos色谱数据的非目标分析: 去除尺寸效应的问题

JOURNAL OF CHROMATOGRAPHY A

IF4

2017-11-01

PREAI

Tobin, Jade; Walach, Jan; de Beer, Dalene; Williams, Paul J.; Filzmoser, Peter; Walczak, Beata

Chemometrics in analytical chemistry-part I: history, experimental design and data analysis tools

ANALYTICAL AND BIOANALYTICAL CHEMISTRY

IF3.8

2017-08-03

108

PREAI

Brereton, Richard G.; Jansen, Jeroen; Lopes, Joao; Marini, Federico; Pomerantsev, Alexey; Rodionova, Oxana; Roger, Jean Michel; Walczak, Beata; Tauler, Roma

Simultaneous optimisation of extraction of xanthone and benzophenone α-glucosidase inhibitors from Cyclopia genistoides and identification of superior genotypes for propagation

JOURNAL OF FUNCTIONAL FOODS

IF4

2017-06-01

PREAI

Bosman, Stephanie C.; de Beer, Dalene; Beelders, Theresa; Willenburg, Elize L.; Malherbe, Christiaan J.; Walczak, Beata; Joubert, Elizabeth

Multivariate analysis of variance of designed chromatographic data. A case study involving fermentation of rooibos tea

JOURNAL OF CHROMATOGRAPHY A

IF4

2017-03-01

PREAI

Marini, Federico; de Beer, Dalene; Walters, Nico A.; de Villiers, Andre; Joubert, Elizabeth; Walczak, Beata