Search Results - "Elizabeth Joubert"

Multi-stakeholder value creation and appropriation from food-related health claims by Melvi Todd, Jako Volschenk, Elizabeth Joubert

“…Health claims are considered a means to add value to food and beverages; however, it is not always evident which stakeholders benefit and to what extent they…”
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Healthy or Not Healthy? A Mixed-Methods Approach to Evaluate Front-of-Pack Nutrition Labels as a Tool to Guide Consumers by Todd, Melvi, Guetterman, Timothy, Volschenk, Jako, Kidd, Martin, Joubert, Elizabeth

“…This study explored how South African food labels could be improved, to enhance customer evaluation of the overall healthiness of packaged food. Focus was…”
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Cyclopia intermedia (Honeybush) Induces Uncoupling Protein 1 and Peroxisome Proliferator-Activated Receptor Alpha Expression in Obese Diabetic Female db/db Mice by Jack, Babalwa Unice, Ramharack, Pritika, Malherbe, Christiaan, Gabuza, Kwazi, Joubert, Elizabeth, Pheiffer, Carmen

“…Previously, we reported that a crude polyphenol-enriched fraction of (CPEF), a plant consumed as the herbal tea, commonly known as honeybush, reduced lipid…”
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Anti-Inflammatory Effects of Aspalathus linearis and Cyclopia spp. Extracts in a UVB/Keratinocyte (HaCaT) Model Utilising Interleukin-1α Accumulation as Biomarker by Magcwebeba, Tandeka, Swart, Pieter, Swanevelder, Sonja, Joubert, Elizabeth, Gelderblom, Wentzel

“…Ultraviolet B (UVB) radiation is one of the major predisposing risk factors of skin cancer. The anticancer and photoprotective effects of unoxidized rooibos (…”
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Comprehensive phenolic profiling of Cyclopia genistoides (L.) Vent. by LC-DAD-MS and -MS/MS reveals novel xanthone and benzophenone constituents by Beelders, Theresa, de Beer, Dalene, Stander, Maria A, Joubert, Elizabeth

“…A high-performance liquid chromatographic (HPLC) method coupled with diode-array detection (DAD) was optimized for the qualitative analysis of aqueous extracts…”
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High-temperature oxidation reduces the bitterness of honeybush infusions depending on changes in phenolic composition by Alexander, Lara, Moelich, Erika Ilette, de Beer, Dalene, Muller, Magdalena, Walczak, Beata, Joubert, Elizabeth

“…Honeybush tea infusions, especially those prepared from Cyclopia genistoides, can be unacceptably bitter, given the association of this herbal tea with sweet…”
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Bitter Taste Impact and Thermal Conversion of a Naringenin Glycoside from Cyclopia genistoides by Danton, Ombeline, Alexander, Lara, Hunlun, Cindy, de Beer, Dalene, Hamburger, Matthias, Joubert, Elizabeth

“…A naringenin derivative, isolated from Cyclopia genistoides, a bitter tasting herbal tea, especially when in green (unoxidized) form, was identified as…”
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Therapeutic effects of an aspalathin-rich green rooibos extract, pioglitazone and atorvastatin combination therapy in diabetic db/db mice by Patel, Oelfah, Muller, Christo J F, Joubert, Elizabeth, Rosenkranz, Bernd, Louw, Johan, Awortwe, Charles

“…Oral therapeutics used to treat type 2 diabetes and cardiovascular disease often fail to prevent the progression of disease and their comorbidities. Rooibos…”
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New Insights into the Efficacy of Aspalathin and Other Related Phytochemicals in Type 2 Diabetes-A Review by Muller, Christo J F, Joubert, Elizabeth, Chellan, Nireshni, Miura, Yutaka, Yagasaki, Kazumi

“…In the pursuit of bioactive phytochemicals as a therapeutic strategy to manage metabolic risk factors for type 2 diabetes (T2D), aspalathin, -glucosyl…”
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Hyperglycemia-induced oxidative stress and heart disease-cardioprotective effects of rooibos flavonoids and phenylpyruvic acid-2- O -β-D-glucoside by Dludla, Phiwayinkosi V, Joubert, Elizabeth, Muller, Christo J F, Louw, Johan, Johnson, Rabia

“…Diabetic patients are at an increased risk of developing heart failure when compared to their non-diabetic counter parts. Accumulative evidence suggests…”
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Aspalathin-Enriched Green Rooibos Extract Reduces Hepatic Insulin Resistance by Modulating PI3K/AKT and AMPK Pathways by Mazibuko-Mbeje, Sithandiwe E, Dludla, Phiwayinkosi V, Roux, Candice, Johnson, Rabia, Ghoor, Samira, Joubert, Elizabeth, Louw, Johan, Opoku, Andy R, Muller, Christo J F

“…We previously demonstrated that an aspalathin-enriched green rooibos extract (GRE) reversed palmitate-induced insulin resistance in C2C12 skeletal muscle and…”
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Co-pigmentation of Pinotage anthocyanins with Cyclopia (honeybush) polyphenols in model wine solutions by Dippenaar, Carla, Joubert, Elizabeth, de Beer, Dalene

“…•Cyclopia subternata polyphenols can act as co-pigments for Pinotage anthocyanins.•A xanthone-enriched fraction (F2) exerted the strongest co-pigmentation…”
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Inhibitory Interactions of Aspalathus linearis (Rooibos) Extracts and Compounds, Aspalathin and Z-2-(β-d-Glucopyranosyloxy)-3-phenylpropenoic Acid, on Cytochromes Metabolizing Hypoglycemic and Hypolipidemic Drugs by Patel, Oelfah, Muller, Christo, Joubert, Elizabeth, Louw, Johan, Rosenkranz, Bernd, Awortwe, Charles

“…Rooibos extract, due to its glucose and lipid lowering effects, has potential as a nutraceutical for improvement of metabolic dysfunction. Potential herb-drug…”
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Aspalathin Protects the Heart against Hyperglycemia-Induced Oxidative Damage by Up-Regulating Nrf2 Expression by Dludla, Phiwayinkosi V, Muller, Christo J F, Joubert, Elizabeth, Louw, Johan, Essop, M Faadiel, Gabuza, Kwazi B, Ghoor, Samira, Huisamen, Barbara, Johnson, Rabia

“…Aspalathin (ASP) can protect H9c2 cardiomyocytes against high glucose (HG)-induced shifts in myocardial substrate preference, oxidative stress, and apoptosis…”
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Phenolic content and antioxidant activity of rooibos food ingredient extracts by Joubert, Elizabeth, de Beer, Dalene

“…Hot water extracts of the herbal tea, rooibos, are increasingly used as an ingredient in ready-to-drink beverages and a variety of food products. The quantity…”
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Adipose tissue as a possible therapeutic target for polyphenols: A case for Cyclopia extracts as anti-obesity nutraceuticals by Jack, Babalwa U., Malherbe, Christiaan J., Mamushi, Mokadi, Muller, Christo J.F., Joubert, Elizabeth, Louw, Johan, Pheiffer, Carmen

“…[Display omitted] Obesity is a significant contributor to increased morbidity and premature mortality due to increasing the risk of many chronic metabolic…”
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Aspalathin, a natural product with the potential to reverse hepatic insulin resistance by improving energy metabolism and mitochondrial respiration by Mazibuko-Mbeje, Sithandiwe E, Dludla, Phiwayinkosi V, Johnson, Rabia, Joubert, Elizabeth, Louw, Johan, Ziqubu, Khanyisani, Tiano, Luca, Silvestri, Sonia, Orlando, Patrick, Opoku, Andy R, Muller, Christo J F

“…Aspalathin is a rooibos flavonoid with established blood glucose lowering properties, however, its efficacy to moderate complications associated with hepatic…”
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Aspalathin improves glucose and lipid metabolism in 3T3‐L1 adipocytes exposed to palmitate by Mazibuko, Sithandiwe E, Joubert, Elizabeth, Johnson, Rabia, Louw, Johan, Opoku, Andrew R, Muller, Christo J. F

“…SCOPE: Saturated‐free fatty acids, such as palmitate, are associated with insulin resistance. This study aimed to establish if an aspalathin‐enriched green…”
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Aspalathin-Rich Green Rooibos Extract Lowers LDL-Cholesterol and Oxidative Status in High-Fat Diet-Induced Diabetic Vervet Monkeys by Orlando, Patrick, Chellan, Nireshni, Louw, Johan, Tiano, Luca, Cirilli, Ilenia, Dludla, Phiwayinkosi, Joubert, Elizabeth, Muller, Christo J F

“…Type 2 diabetic patients possess a two to four fold-increased risk for Cardiovascular Diseases (CVD). Hyperglycemia, oxidative stress associated with…”
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Food ingredient extracts of Cyclopia subternata (Honeybush): variation in phenolic composition and antioxidant capacity by de Beer, Dalene, Schulze, Alexandra E, Joubert, Elizabeth, de Villiers, André, Malherbe, Christiaan J, Stander, Maria A

“…Cyclopia subternata plants are traditionally used for the production of the South African herbal tea, honeybush, and recently as aqueous extracts for the food…”
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