Search Results - "Kruger, Johanita"
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Recovery of Polyphenols Using Pressurized Hot Water Extraction (PHWE) from Black Rosehip Followed by Encapsulation for Increased Bioaccessibility and Antioxidant Activity
Published in Molecules (Basel, Switzerland) (01-10-2022)“…In this work, pressurized hot water extraction (PHWE) of hydrophilic polyphenols from black rosehip fruit was maximized using response surface methodology for…”
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African Adansonia digitata fruit pulp (baobab) modifies provitamin A carotenoid bioaccessibility from composite pearl millet porridges
Published in Journal of food science and technology (01-04-2020)“…Food-to-food fortification of staple cereal products using nutrient-dense plants shows promise to address multiple micronutrient deficiencies including vitamin…”
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Optimization of Supercritical Carbon Dioxide Extraction of Polyphenols from Black Rosehip and Their Bioaccessibility Using an In Vitro Digestion/Caco-2 Cell Model
Published in Foods (11-02-2023)“…The fruits of are rich sources of (poly)phenols, however they are underutilized due to the limited information available. The influence of the pressure,…”
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Potential contribution of African green leafy vegetables and maize porridge composite meals to iron and zinc nutrition
Published in Nutrition (Burbank, Los Angeles County, Calif.) (01-09-2015)“…Abstract Objectives The aim of this study was to determine the mineral nutritive value of different traditional African green leafy vegetable (GLV) dishes and…”
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A Comparative Study of Selected Physical and Biochemical Traits of Wild-Type and Transgenic Sorghum to Reveal Differences Relevant to Grain Quality
Published in Frontiers in plant science (07-06-2017)“…Transgenic sorghum featuring RNAi suppression of certain kafirins was developed recently, to address the problem of poor protein digestibility in the grain…”
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Effect of a diet rich in galactose or fructose, with or without fructooligosaccharides, on gut microbiota composition in rats
Published in Frontiers in nutrition (Lausanne) (2022)“…Recent studies suggest that a diet rich in sugars significantly affects the gut microbiota. Adverse metabolic effects of sugars may partly be mediated by…”
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Replacing electrolytic iron in a fortification-mix with NaFeEDTA increases both iron and zinc availabilities in traditional African maize porridges
Published in Food chemistry (15-08-2016)“…•Maize meal was fortified with a multi-nutrient mix with electrolytic iron or NaFeEDTA.•Iron & zinc availability (Caco-2 cells) from thick & fermented…”
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Potential of food‐to‐food fortification with cowpea leaves and orange‐fleshed sweet potato, in combination with conventional fortification, to improve the cellular uptake of iron and zinc from ready‐to‐eat maize porridges
Published in Food science & nutrition (01-07-2020)“…An emerging tool in the fight against the high prevalence of micronutrient deficiencies in sub‐Saharan Africa is the production of nutritionally enhanced…”
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Iron, Catechin, and Ferulic Acid Inhibit Cellular Uptake of β‑Carotene by Reducing Micellization
Published in Journal of agricultural and food chemistry (22-05-2019)“…Green leafy vegetables have low β-carotene bioavailability, which we hypothesized to be, at least in part, due to high contents of fiber, minerals, and…”
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Ascorbic acid, sucrose and olive oil lipids mitigate the inhibitory effects of pectin on the bioaccessibility and Caco-2 cellular uptake of ferulic acid and naringenin
Published in Food & function (01-05-2020)“…Whole fruit and vegetable consumption is universally promoted as healthy, to a large extent due to their high contents of phytochemicals, including phenolics…”
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Insights from in vitro exploration of factors influencing iron, zinc and provitamin A carotenoid bioaccessibility and intestinal absorption from cereals
Published in Journal of cereal science (01-11-2020)“…Developments in genetics, agronomics and processing has positioned staple cereals as important sources of iron, zinc and provitamin A (pVA) carotenoids for…”
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Fabrication of phenolic loaded spray-dried nanoliposomes stabilized by chitosan and whey protein: Digestive stability, transepithelial transport and bioactivity retention of phenolics
Published in International journal of biological macromolecules (01-06-2024)“…Low bioavailability of phenolic compounds (phenolics) results in low in vivo bioactivity, thus their co-encapsulation could enhance potential health benefits…”
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Low β-carotene bioaccessibility and bioavailability from high fat, dairy-based meal
Published in European journal of nutrition (01-09-2024)“…Purpose The original aim of the study was to determine, in a double-blind 3-arm crossover human trial (n = 7), the effect of supplemental levels of iron…”
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Dysbiosis Signatures of Fecal Microbiota in South African Infants with Respiratory, Gastrointestinal, and Other Diseases
Published in The Journal of pediatrics (01-03-2020)“…To determine the association between the fecal microbiota diversity of the infants with different disease conditions, and vitamin A supplementation,…”
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What is food‐to‐food fortification? A working definition and framework for evaluation of efficiency and implementation of best practices
Published in Comprehensive reviews in food science and food safety (01-11-2020)“…Food‐to‐food fortification (FtFF) is an emerging food‐based strategy that can complement current strategies in the ongoing fight against micronutrient…”
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Novel in situ evaluation of the role minerals play in the development of the hard-to-cook (HTC) defect of cowpeas and its effect on the in vitro mineral bioaccessibility
Published in Food chemistry (01-05-2015)“…•We visualised in situ mineral distribution in cowpea with PIXE.•We evaluated the effect of the hard-to-cook (HTC) phenomenon on mineral distribution.•HTC…”
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Bioaccessibility of carotenoids, tocochromanols, and iron from common bean (Phaseolus vulgaris L.) landraces
Published in Food research international (01-10-2024)“…[Display omitted] •14 bean landraces and 2 commercial varieties were included in the present study.•Main carotenoids identified and quantified were lutein and…”
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Effect of Spray Drying on Physicochemical Stability and Antioxidant Capacity of Rosa pimpinellifolia Fruit Extract-Loaded Liposomes Conjugated with Chitosan or Whey Protein During In Vitro Digestion
Published in Food and bioprocess technology (01-10-2024)“…Spray drying is a well-established, energy efficient, and scalable process widely used in the food industry, however it may lead to thermal degradation of…”
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Implementing micronutrient fortification programs as a potential practical contribution to achieving sustainable diets
Published in Nutrition bulletin (01-09-2023)“…Due to sustainability concerns related to current diets and environmental challenges, it is crucial to have sound policies to protect human and planetary…”
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Comparison between food-to-food fortification of pearl millet porridge with moringa leaves and baobab fruit and with adding ascorbic and citric acid on iron, zinc and other mineral bioaccessibility
Published in Food science & technology (01-06-2019)“…Mineral deficiencies remain high in Africa, especially in rural communities subsisting on monotonous cereal-based diets. The effects of adding locally…”
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