Inclusion Criteria:  Body mass index (BMI) ≥ 18.5 and ≤ 24.9 kg/m2 Able to give informed consent Apparently healthy: no medical conditions or previous gastrointestinal surgery which might affect study measurements (judged by the investigators)  Exclusion Criteria:  Fasting fingerprick screening blood sugar level higher than 5.4 mmol/L Restrained eating behaviour as determined by Eating habits and SCOFF screening questionnaires Not used to eating breakfast Not used to eating three meals a day Use of medication which interferes with study measurements for example acid suppressants or anti-spasmodics. Participation in another nutritional or biomedical trial 3 months before the pre-study screening or during the study. Reported participation in night shift work during the two weeks prior to pre-study investigation or during the study. Night work is defined as working between midnight and 6.00 AM. Strenuous exercise for more than10 hours per week. Consumption of ≥21 alcoholic drinks in a typical week Reported weight loss or gain ≥ 10 % of bodyweight during the six months period before the pre-study examination. Following a medically- or self-prescribed diet during the two weeks prior to the pre-study examination and until the end of the study Dislike of the products served as the dietary test treatments including the pasta meal Any allergy or food intolerance to the test treatments Not suitable for MRI scanning (e.g., presence of metal implants, infusion pumps and pacemakers) as assessed by standard MRI safety questionnaire. Pregnancy or breastfeeding declared by candidate Antibiotic or prescribed probiotic treatment in the past 12 weeks Inability to lie flat Poor understanding of the spoken and/or written English language