Zobrazeno 1 - 10
of 173
pro vyhledávání: '"Beata Walczak"'
Autor:
Elizabeth Joubert, Alicia Petrus, Dalene de Beer, Chantelle Human, Marieta van der Rijst, Beata Walczak, Brigitte V.P. du Preez, Erika Moelich, Magdalena Muller
Publikováno v:
Applied Food Research, Vol 4, Iss 1, Pp 100398- (2024)
Ultra-high temperature oxidation (UHTO) was explored as an alternative to the standard oxidation of honeybush tea, aiming to shorten the processing time and enhance the fruity and sweet-associated sensory characteristics. Different UHTO temperature
Externí odkaz:
https://doaj.org/article/fb606ed03df747cf82c77a1c71365f30
Autor:
Stephanie C. Bosman, Dalene de Beer, Theresa Beelders, Elize L. Willenburg, Christiaan J. Malherbe, Beata Walczak, Elizabeth Joubert
Publikováno v:
Journal of Functional Foods, Vol 33, Iss , Pp 21-31 (2017)
Extraction of xanthones and benzophenones from Cyclopia genistoides was optimised in terms of solvent composition (ethanol concentration) and extraction temperature, using a central composite design, response surface methodology and multi-response de
Externí odkaz:
https://doaj.org/article/fed2e6a78b824b279f118ec7b7568fd6
Autor:
Beata Walczak-Kowalik
Publikováno v:
Studia Iuridica Toruniensia. 28:311-332
Artykuł jest poświęcony analizie specyficznej roli, jaką odgrywa Państwowe Gospodarstwo Wodne Wody Polskie w sektorze usług wodociągowo-kanalizacyjnych, w szczególności ewentualnemu przypisaniu jego organom funkcji regulatora przedmiotowego
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99e915e1fc8b1e0c39829788f9e13ec8
https://doi.org/10.12775/sit.2021.016
https://doi.org/10.12775/sit.2021.016
Publikováno v:
Chemometrics and Intelligent Laboratory Systems. 228:104620
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b047b835da6e5ab50637c452f3029862
https://doi.org/10.1016/j.chemolab.2022.104620
https://doi.org/10.1016/j.chemolab.2022.104620
Publikováno v:
Journal of Food Composition and Analysis. 78:129-137
Increasing demand for honeybush tea (Cyclopia spp.) and the need for industry expansion have created interest in non-utilised species such as Cyclopia pubescens Eckl. & Zeyh. Very limited information is available on the phenolic composition of this s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43ac61c6d1717902d844a01ddf88c1e9
https://doi.org/10.1016/j.jfca.2019.02.006
https://doi.org/10.1016/j.jfca.2019.02.006
Autor:
Marcin Musielak, Beata Zawisza, Ignasi Queralt, Karina Kocot, Rafal Sitko, Beata Walczak, Ewa Talik, Eva Marguí
Publikováno v:
Digital.CSIC. Repositorio Institucional del CSIC
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instname
In this paper, the determination of ultratrace heavy metal ions was developed by combining a preconcentration method using graphene oxide/carbon nanotubes membranes (GO/CNTs) and total-reflection X-ray fluorescence spectrometry (TXRF). Due to the exc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48bf42c7936658876e968ebb01e68081
http://hdl.handle.net/10261/234467
http://hdl.handle.net/10261/234467
Autor:
Christo J. F. Muller, Dalene de Beer, Nokulunga Hlengwa, Neil Miller, Amsha Viraragavan, Sylvia Riedel, Elizabeth Joubert, Beata Walczak, Sandra Bowles
Publikováno v:
Foodfunction. 11(4)
Mounting evidence of the ability of aspalathin to target underlying metabolic dysfunction relevant to the development or progression of obesity and type 2 diabetes created a market for green rooibos extract as a functional food ingredient. Aspalathin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b664ff0e79d8dc93541e2e44cb1c64e8
https://pubmed.ncbi.nlm.nih.gov/32195502
https://pubmed.ncbi.nlm.nih.gov/32195502
Publikováno v:
Journal of Chemometrics
Journal of Chemometrics, Wiley, 2020, 34 (2), ⟨10.1002/cem.3164⟩
Journal of Chemometrics, Wiley, 2020, 34 (2), ⟨10.1002/cem.3164⟩
International audience; Spectrometric and analytical techniques in general collect multivariate signals from chemical or biological materials by means of a specific measurement instrumentation, usually in order to characterize or classify them throug
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a601b86b323b139919085c6d875c493
https://doi.org/10.1002/cem.3164
https://doi.org/10.1002/cem.3164