Cultural Meal and Postprandial Oxidative Stress

Inclusion Criteria: * Apparently healthy male or female of Chinese ethnicity with BMI less than 25 kg/m2 * Aged from 18 to 45 years for female to avoid menopausal effect, and 18 to 50 years for male (inclusive) * Normal glucose tolerance as assessed by fasting HbA1c of \<6% at the screening * Willing to give consent and follow the study procedures Exclusion Criteria: * Lifestyle factors that affect POS as shown by the literature including * Current smoker * Physically active as defined by three days or more of 30 minutes \[accumulated over the course of a day\] moderate to vigorous activity weekly in the past three months. Vigorous physical activity is described as causing heavy sweating or a large increase in breathing or heart rate, and moderate as causing light sweating or a slight to moderate increase in breathing or heart rate. * Regular or current use of vitamin or antioxidant supplements * Pregnant or lactating * Concurrent participation in any clinical trial or dietary intervention program * Adherence to a special diet, allergies or aversions to foods on the study meals * Use of medications that could affect study outcomes * With diabetes, hypertension, renal, liver or thyroid dysfunction, any other indication of a major medical or psychological illness, as judged by the investigators as ineligible to participate the study