Dimitrios Zabaras

ORCID: 0000-0002-3022-7965
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Research Areas
  • Phytochemicals and Antioxidant Activities
  • Antioxidant Activity and Oxidative Stress
  • Essential Oils and Antimicrobial Activity
  • Postharvest Quality and Shelf Life Management
  • Plant biochemistry and biosynthesis
  • Horticultural and Viticultural Research
  • Analytical chemistry methods development
  • Polysaccharides and Plant Cell Walls
  • Spectroscopy and Chemometric Analyses
  • Natural Antidiabetic Agents Studies
  • Edible Oils Quality and Analysis
  • Free Radicals and Antioxidants
  • Fungal Biology and Applications
  • Pineapple and bromelain studies
  • Pesticide Residue Analysis and Safety
  • Garlic and Onion Studies
  • Metabolomics and Mass Spectrometry Studies
  • Mass Spectrometry Techniques and Applications
  • Fermentation and Sensory Analysis
  • Leaf Properties and Growth Measurement
  • Consumer Attitudes and Food Labeling
  • Genomics, phytochemicals, and oxidative stress
  • Tryptophan and brain disorders
  • Berry genetics and cultivation research
  • Food Supply Chain Traceability

Commonwealth Scientific and Industrial Research Organisation
2008-2017

Agriculture and Food
2012-2017

CSIRO Health and Biosecurity
2016

Animal, Food and Health Sciences
2009-2013

ARC Centre of Excellence for Plant Success in Nature and Agriculture
2012

The University of Queensland
2012

Scientific Games (Australia)
2008

Western Sydney University
2001-2004

University of Reading
2003

Abstract Objective To investigate the relative importance of specific health knowledge and taste on acceptance Brassica vegetables (broccoli, red green cabbages, broccolini, cauliflower, Brussels sprouts). Design In a sample adults all reporting medium–high physical activity (as marker/control behaviour) either low (≤2 portions/d) or high (≥3 vegetable intake, half those with consumption (Li group) (Hi received cancer protection information, while other did not (Ln Hn groups), before hedonic...

10.1017/s1368980011003442 article EN Public Health Nutrition 2012-01-10

Abstract BACKGROUND: Diets high in fruit and vegetables are known to have significant health benefits. This is part due the presence of phytochemicals, which possess potential protective study focuses on ability strawberries be bred for higher anthocyanin content. a major contributor characteristic colour nutritional value ripe strawberries, together with phenolic acids, ascorbic acid total antioxidant capacity. RESULTS: Anthocyanins five commercial strawberry cultivars three breeding lines...

10.1002/jsfa.5806 article EN Journal of the Science of Food and Agriculture 2012-08-06

Vitamin D deficiency is widespread, affecting over 30% of adult Australians, and increasing up to 80% for at-risk groups including the elderly (age>65). The role in development central nervous system supported by association between incidence neurological psychiatric disorders Alzheimer's disease (AD). A reported positive relationship status cognitive performance suggests that restoring might provide a benefit those with deficiency. Mushrooms are rich source ergosterol, which can be...

10.1371/journal.pone.0076362 article EN cc-by PLoS ONE 2013-10-18

This study investigated the effect of germination and fermentation on composition carbohydrates in Australian sweet lupin. Specifically, amount sugars (sucrose, fructose, glucose), starch, oligosaccharides (verbascose, stachyose, raffinose), dietary fiber were measured germinated lupin seeds fermented flour, compared with those soy. High performance liquid chromatography coupled refractive index was employed for quantitation sugars, oligosaccharides, gas a flame ionization detector used...

10.1021/acs.jafc.7b02986 article EN Journal of Agricultural and Food Chemistry 2017-10-23

Kakadu plum (Terminalia ferdinandiana Exell, Combretaceae) and Illawarra (Podocarpus elatus Endl., Podocarpaceae) extracts were fractionated, using a bioassay-guided approach screened for antioxidant activity [oxygen radical absorbance capacity (ORAC) cellular (CAA) assays] antiinflammatory (nitrite concentration prostaglandin E(2) release in lipopolysaccharide (LPS)-activated murine macrophages). Among 8 fractions obtained from KP 5 IP, fraction KPF5 exhibited superior all assays, with an...

10.1080/01635581.2011.596646 article EN Nutrition and Cancer 2011-08-30

The consumption of mushrooms has been linked with protection against dementia, including Alzheimer's disease (AD), by several biological pathways inhibiting beta-site APP-cleaving enzyme (BACE1), which is responsible for releasing toxic β-amyloid peptide in the brain. We have investigated capacity medicinal mushroom species−Auricularia polytricha (wood ear mushroom), Agaricus bisporus (button Flammulina velutipes (winter or enoki and Lentinus edodes (shiitake mushroom)−in regulation BACE1....

10.1615/intjmedmushr.v15.i3.20 article EN International journal of medicinal mushrooms 2013-01-01

ABSTRACT In recent years, there has been intense interest in the potential health benefits of dietary derived plant polyphenols and antioxidants. A new variety Prunus salicina, Queen Garnet plum (QGP), was developed as a high anthocyanin, antioxidant plum, Queensland Government breeding program. Following consumption 400 mL QGP juice (QGPJ; 1,117 mg anthocyanins) by two healthy male subjects, anthocyanins (cyanidin-3-glucoside cyanidin-3-rutinoside) were excreted mainly methylated...

10.1111/j.1745-4514.2010.00522.x article EN Journal of Food Biochemistry 2011-12-21

Abstract Date ( Pheonix dactylifera L.) seeds are a valuable and abundant by‐product with various potential food applications. Free polyphenols (FPPs) bound (BPPs) of date from Deglet Nour variety grown in Australia were investigated using high‐performance liquid chromatography‐mass spectrometry. The FPP fraction contained the following main phenolic compounds per gram seed powder; procyanidin B1 (499.8 ± 7.8 μg), B2 (288.6 6.1 catechin (167.6 2.1 epicatechin (39.44 0.39 protocatechuic acid...

10.1111/1750-3841.13625 article EN Journal of Food Science 2017-01-18

Chemical and sensory characterisation of whole fractionated myrosinase-free extracts from selected Australian-grown, raw Brassica vegetables (broccoli, cauliflower, Brussels sprouts red cabbage) was carried out to determine the contribution key phytochemicals (i.e. glucosinolates, free sugars, phenolics) taste profiles these vegetables. Glucosinolate (GS) phenolic were determined by liquid chromatography coupled with photodiode array detection mass spectrometry. Ten glucosinolates quantified...

10.1039/c2fo30192j article EN Food & Function 2013-01-01

Scope Whey protein isolate (WPI) contains vitamin B 12 and folate. However, the efficacy of WPI as a bioavailable source these vitamins in elderly with low was not previously tested. We investigated effects supplementation on folate status blood measured changes homocysteine (HCY), methylmalonic acid (MMA), genome integrity biomarkers individuals status. The effect compared to soy (SPI). Methods results In this randomized controlled cross‐over intervention trial, 56 subclinically ‐deficient...

10.1002/mnfr.201600915 article EN Molecular Nutrition & Food Research 2016-12-17

Abstract A relationship between the fibre coating/gas phase partition coefficient ( K fg ) of terpenoids and their linear temperature programmed retention index (LTPRI) was derived using a group selected monoterpenoids (with LTPRI's ≤ 1124). The accuracy this tested by comparing calculated experimentally measured values for same 13 compounds, including monoterpene hydrocarbons, alcohols ethers. good agreement two (RSD 11%) found most even when BPX‐5 GC column used determination LTPRI values....

10.1002/ffj.1025 article EN Flavour and Fragrance Journal 2001-08-28

Abstract Numerous in vitro studies using solvent or aqueous extracts of raw dietary plant material have demonstrated modulation colon cancer cell growth and apoptosis effects on immune nonimmune pathways inflammation. We developed a generic, 3-staged food-compatible process involving heating for conversion plants into food ingredients report results potential cancer-regulating properties processed forms Bay leaf (Laurus nobilis). In inhibition by products HT-29, HCT-116, Caco-2, SW-480 human...

10.1080/01635581.2013.796999 article EN Nutrition and Cancer 2013-07-01
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