L. Kirsty Pourshahidi

ORCID: 0000-0003-2251-5251
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About
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Research Areas
  • Vitamin D Research Studies
  • Obesity, Physical Activity, Diet
  • Consumer Attitudes and Food Labeling
  • Nutritional Studies and Diet
  • Eating Disorders and Behaviors
  • Vitamin C and Antioxidants Research
  • Phytochemicals and Antioxidant Activities
  • Bone health and osteoporosis research
  • Diet and metabolism studies
  • Agriculture Sustainability and Environmental Impact
  • Thyroid Disorders and Treatments
  • Tea Polyphenols and Effects
  • Nutrition and Health in Aging
  • Sleep and Work-Related Fatigue
  • Diet, Metabolism, and Disease
  • Exercise and Physiological Responses
  • Climate Change and Health Impacts
  • Workplace Health and Well-being
  • Human Health and Disease
  • Genomics, phytochemicals, and oxidative stress
  • Dietary Effects on Health
  • Seed and Plant Biochemistry
  • Analytical Chemistry and Sensors
  • Conducting polymers and applications
  • Fatty Acid Research and Health

University of Ulster
2015-2025

Western Health and Social Care Trust
2022

Food for Health Ireland
2012-2021

Lincoln Electric (United States)
2020

Livingstone College
2017

Sport Ireland
2016

Trinity College Dublin
2016

Traditionally only a small proportion of the workforce was engaged in shift work. Changing economic pressures have resulted increased engagement work, with approximately 17 % Europe this work pattern. The present narrative review aimed to summarise data on effects diet, lifestyle and health employees, while addressing barriers to, opportunities for, improving among workers. Shift can result low-quality diet irregular eating patterns. Adverse behaviours are also reported; particularly smoking...

10.1017/s095442241500013x article EN Nutrition Research Reviews 2015-12-01

Abstract Background Given the worldwide prevalence of overweight and obesity, there is a clear need for meaningful practical healthy eating advice - not only in relation to food choice, but also on appropriate portion sizes. As majority size research date has been overwhelmingly quantitative design, qualitatively explore consumers’ views order fully understand how decisions are made. Using qualitative methodology this present study aimed about factors influencing their selection consumption...

10.1186/1479-5868-10-92 article EN cc-by International Journal of Behavioral Nutrition and Physical Activity 2013-08-01

Adequate I intake is important before conception and during pregnancy for optimal infant neurodevelopment. Recent studies have highlighted the prevalence of deficiency in UK Ireland. It possible that may be impeded by a poor knowledge nutrition. This study aimed to investigate among women childbearing age Ireland determine whether relationship exists between dietary intake. Females (aged 18-45 years) were invited complete an online questionnaire, which assessed estimated using FFQ. A total...

10.1017/s0007114516003925 article EN British Journal Of Nutrition 2016-11-18

Vitamin D inadequacy is a global health concern in athletes as well the general population. Whilst role of vitamin skeletal defined, there remains uncertainty over whether supplementation has an added benefit beyond bone health. This randomised placebo-controlled trial healthy male and female Gaelic footballers (n = 42) investigated effect D3 [3000 IU (75 µg) daily for 12 weeks, via oral spray solution] on VO2 max which was primary outcome measure. Secondary outcomes included muscle lung...

10.1007/s00394-016-1202-4 article EN cc-by European Journal of Nutrition 2016-03-25

Abstract Findings on both the health benefits and potentially harmful effects of coffee consumption have been contradictory. However, general scientific consensus is that moderate, regular drinking by healthy individuals either essentially benign or mildly beneficial. Results generalizations are complicated a number factors, including differences in age, gender, status, type preparation, serving size, source coffee. Coffee may potential risks, but causality cannot be established for with...

10.1111/1541-4337.12206 article EN Comprehensive Reviews in Food Science and Food Safety 2016-04-13

Studies on broccoli (Brassica oleracea var. italica) indicate beneficial effects against a range of chronic diseases, commonly attributed to their bioactive phytochemicals. Sulforaphane, the form glucoraphanin, is formed by action indigenous enzyme myrosinase. This study explored role that digestion and cooking practices play in bioactivity bioavailability, especially rarely considered dose delivered colon.The antimicrobial activity sulforaphane extracts from raw, cooked plus mustard seeds...

10.1007/s00394-020-02322-0 article EN cc-by European Journal of Nutrition 2020-07-10

Background: A high prevalence of vitamin D insufficiency/deficiency, which may impact on health and training ability, is evident among athletes worldwide. This observational study investigated the status elite Irish determined effect wintertime supplementation status. Methods: Serum 25-hydroxyvitamin [25(OH)D], calcium, plasma parathyroid hormone were analyzed in November 2010 (17 boxers, 33 paralympians) or March 2011 (34 Gaelic Athletic Association [GAA] players). subset boxers...

10.1123/ijsnem.23.5.441 article EN International Journal of Sport Nutrition and Exercise Metabolism 2013-10-01

Cow’s milk is the most important dietary source of iodine in UK and Ireland, also contributes to selenium intakes. The aim this study was investigate effect season, fat class (whole; semi-skimmed; skimmed) pasteurisation on concentrations Northern Ireland (NI) milk, estimate contribution consumer Milk samples (unpasteurised, whole, semi-skimmed were collected weekly from two large NI creameries between May 2013 April 2014 analysed by inductively coupled plasma-mass spectrometry (ICP-MS)....

10.3390/nu10030287 article EN Nutrients 2018-03-01

The present study aimed to evaluate the precision, ease of use and likelihood future portion size estimation aids (PSEA).A range PSEA were used estimate serving sizes a commonly eaten foods rated for usage.For each food, participants selected their preferred from options including: quantities measures; reference objects; measuring; indicators on food packets. These serve out various (e.g. liquid, amorphous, composite dishes). Ease noted. weighed determine precision PSEA.Males females aged...

10.1017/s1368980016000082 article EN Public Health Nutrition 2016-02-09

Diets rich in fruit and vegetables are associated with a decreased incidence of colorectal cancer (CRC) due, part, to the bioactive (poly)phenolic components their microbiota-mediated metabolites. This study investigated how such compounds, derived from ingested raspberries gastrointestinal tract, may exert protective effects by reducing DNA damage. Ileal fluids collected pre- post-consumption 300 g ileostomists (n = 11) were subjected 24 h ex vivo fermentation fecal inoculum simulate...

10.1016/j.redox.2021.101862 article EN cc-by Redox Biology 2021-01-14

Phenolic catabolites excreted by fasting subjects with a functioning colon and ileostomists on low (poly)phenol diet have been investigated. Urine was collected over 12 h period after adherence to for 36 h. UHPLC-HR-MS quantified 77 phenolics. Some were present in the urine of both groups similar trace amounts others higher participants indicating involvement microbiota. Most sub- or low-µmol amounts, but hippuric acid dominated accounting average 60% total volunteer categories significant...

10.1080/09637486.2023.2226369 article EN cc-by International Journal of Food Sciences and Nutrition 2023-05-19

After an acute intake of 300 g mango purée by 10 subjects, 0 and 24 h urine plasma samples were analyzed high-performance liquid chromatography-high-resolution mass spectrometry. The method was first validated for 44 reference polyphenols in terms linearity, specificity, limits detection quantification, intra-day inter-day precision, recovery, matrix effects two biological matrices. validation, a total 94 microbial-derived phenolic catabolites, including 15 cinnamic acids, 3...

10.1021/acs.jafc.3c03846 article EN Journal of Agricultural and Food Chemistry 2023-07-20
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