Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Magdalena Muller"'
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:
Elizabeth Joubert, Alicia Petrus, Brigitte-V.P. du Preez, Chantelle Human, Magdalena Muller, Marieta van der Rijst, Dalene de Beer, Erika-Ilette Moelich
Publikováno v:
Applied Food Research, Vol 2, Iss 2, Pp 100182- (2022)
During the conventional production of traditional honeybush tea, the lengthy high-temperature oxidation process creates a bottleneck due to constrained equipment capacity, resulting in a backlog in production during peak harvesting. A delay in proces
Externí odkaz:
https://doaj.org/article/89935de75a054b09a014792cc1c3b4d9
Autor:
Louwrens C. Hoffman, Diana L. van Schalkwyk, Magdalena Muller, Tersia Needham, Kenneth W. McMillin
Publikováno v:
Foods, Vol 10, Iss 10, p 2347 (2021)
This study determined the carcass yields of red hartebeest from Namibia and compared the physical-chemical meat quality characteristics of six different muscles (biceps femoris, infraspinatus, longissimus thoracis et lumborum, semimembranosus, semite
Externí odkaz:
https://doaj.org/article/5fc0a499d139451b9c6ecd9f71bd81df
Autor:
Chantelle Human, Dalene de Beer, Magdalena Muller, Marieta van der Rijst, Marique Aucamp, Andreas Tredoux, André de Villiers, Elizabeth Joubert
Publikováno v:
Molecules, Vol 26, Iss 17, p 5260 (2021)
Green rooibos extract (GRE), shown to improve hyperglycemia and HDL/LDL blood cholesterol, has potential as a nutraceutical beverage ingredient. The main bioactive compound of the extract is aspalathin, a C-glucosyl dihydrochalcone. The study aimed t
Externí odkaz:
https://doaj.org/article/75c39737a34047e5b86224cd7278991a
Publikováno v:
Foods, Vol 10, Iss 3, p 535 (2021)
The influence of iota carrageenan (iota-CGN) as a partial replacement of sodium tripolyphosphate (STPP) was investigated on the physical (pH, yield, instrumental color, texture profile analysis), chemical (moisture, protein, total fat, ash, phosphate
Externí odkaz:
https://doaj.org/article/19025cee01cf4ddcb07ce1615ede89c4
Publikováno v:
South African Journal of Science, Vol 111, Iss 11/12, Pp 8-8 (2015)
The addition of rooibos extract (RBE) (0%, 0.25%, 0.50%, 1.0% RBE) to improve the oxidative stability of blesbok, springbok and fallow deer droëwors (dried sausage) was studied. RBE treatments had no effects (p>0.05) on the lipid and protein oxidati
Externí odkaz:
https://doaj.org/article/b33a4bf1503e4f388a6d52239f31e065
Autor:
Dalene De Beer, Magdalena Muller, Nico A. Walters, Chantelle Human, Cecilia Bester, Elizabeth Joubert
Publikováno v:
South African Journal of Botany. 150:821-828
Autor:
Marieta van der Rijst, Dalene de Beer, Erika Ilette Moelich, Elizabeth Joubert, Neil Miller, Magdalena Muller, Alicia Petrus
Publikováno v:
Journal of the Science of Food and Agriculture. 102:1047-1055
BACKGROUND Ultrafiltration of green honeybush (Cyclopia genistoides) extract results in a by-product (retentate). Application of further separation processes for recovery of polyphenols would entail creation of additional waste. Repurposing the reten
Autor:
Dalene de Beer, Elizabeth Joubert, M.M. Slabbert, Cecilia Bester, M. van der Rijst, Magdalena Muller, G.S. Mabizela
Publikováno v:
South African Journal of Botany. 132:491-501
Cultivation of selected Cyclopia species, including C. subternata, is the only viable option to ensure that the current growth trajectory of the honeybush industry is maintained. Gaps in honeybush production knowledge still exist, including the optim
Autor:
Wentzel C. A. Gelderblom, Christiaan J. Malherbe, Magdalena Muller, Ann Louw, Elizabeth Joubert, Dalene de Beer
Publikováno v:
South African Journal of Botany. 127:58-79
The formal honeybush tea industry has reached a 20-year milestone on 24 February 2019, giving an opportunity to reflect on the research targeting phenolic composition, quality and bioactivity, since a previous review published in 2008. This research