Publications by authors named "Abdulrahman S Al-Khalifa"

Background: The menopausal transition significantly affects cardiometabolic health, primarily due to changes in reproductive hormones, particularly decreased estrogen levels and relative androgen excess. Adult Muslim women, both pre-and post-menopausal, are mandated to observe Ramadan intermittent fasting (RIF) every year. Therefore, the current study was designed to investigate RIF's effects on pre-menopausal (PRE-M) and post-menopausal (POST-M) healthy women's cardiometabolic health markers.

View Article and Find Full Text PDF
Article Synopsis
  • - Polycystic ovary syndrome (PCOS) impacts women's reproductive, metabolic, and mental health, and this study compared nutritional intake and body fat distribution between 42 PCOS patients and 63 control women aged 20-45 years.
  • - Significant differences were found in dietary intake, with the PCOS group consuming more total calories, carbohydrates, and certain vitamins, while the control group had higher levels of dietary fiber and healthy fats.
  • - Biochemical analyses revealed that PCOS patients had higher testosterone and lower vitamin D levels compared to controls, indicating distinct health implications for women with PCOS despite both groups being predominantly overweight or obese.
View Article and Find Full Text PDF

Ramadan intermittent fasting (RIF) is a monthlong practice in which Muslims fast during the whole day from sunrise to sunset. During this month, fasting people change their dietary behavior and alter their eating hours from day to night. The objective of the current study was to examine the effect of RIF on dietary consumption, anthropometric indices, and metabolic markers in healthy premenopausal (PRE-M) and postmenopausal (POST-M) Saudi women.

View Article and Find Full Text PDF

Nutritional risk in children is associated with food safety. This is the first study to identify the food type consumed by 6-17-year-old school-going children in Saudi Arabia. Eight permitted artificial food color additives, including Tartrazine (E102), Sunset Yellow (E110), Carmoisine (E122), Allura Red (E129), Indigo Carmine (E132), Brilliant Blue (E133), Fast Green (E143), and Black PN (E151), and two non-permitted ones, Erythrosine (E127) and Red 2G (E128), were determined using 24-h dietary recall questionnaires.

View Article and Find Full Text PDF

This study investigated the chemical composition, in vivo antioxidant, and antihyperlipidemic potential of Ajwa date polyphenol extract (DPE). Chemical analysis revealed that the Ajwa dates contain substantial amounts of carbohydrates, energy, potassium, iron, polyphenols, and flavonoids. In vivo studies showed that feeding rats with cholesterol-rich diets significantly (p ≤ 0.

View Article and Find Full Text PDF

Mobile technology has been used successfully for promoting health and weight loss and for treating obesity. There is a high prevalence of smartphone and tablet users among the Saudi population. This study aimed to identify whether current Arabic weight-loss apps had features that adhered to evidence-informed practices.

View Article and Find Full Text PDF

Juices of edible fruits from Opuntia ficus-indica (L.) Miller, commonly named prickly pears or Indian figs, were analysed for amino acids using an automated amino acid analyser run in the high-resolution physiological mode. Emphasis was put on the detection of free taurine (Tau), but Tau could be detected neither in different cultivars of prickly pears from Italy, South Africa and the Near East nor in commercially available prickly pear juices from the market.

View Article and Find Full Text PDF
Article Synopsis
  • The study explores the presence of non-proteinogenic amino acids (AAs) in the edible fruits of the date palm (Phoenix dactylifera L.), highlighting the lack of prior research in this area compared to common proteinogenic AAs.
  • Twelve cultivars of date fruits were analyzed using advanced techniques like automated ion-exchange chromatography and GC-MS, revealing the presence of several non-proteinogenic AAs in varying amounts, such as 5-hydroxypipecolic acid and 1-aminocyclopropane-1-carboxylic acid.
  • The research also includes enantiomeric analysis, finding very low levels of D-amino acids relative to their L-counterparts, and discusses the
View Article and Find Full Text PDF