Black Rice Consumption on Cognitive Function, Inflammation and Microvascular Function in Older Adults

Inclusion Criteria: * Aged 50-80 years * General healthy status * Body Mass Index (BMI)18.5-35 kg/m2 Exclusion Criteria: * Taking anti-inflammatory drugs (e.g., aspirin, warfarin, ibuprofen) * Having sign of infections or acute inflammation (e.g., fever, chills, sore throat, nasal congestion, moderate-severe pain, swelling-redness) * Received antibiotics within the past 3 months * Taking dietary supplements (e.g., vitamins, minerals) at high doses (e.g., more than 200% of the UK's reference nutrient intakes) * Taking hormone replacement therapy, if you are menopausal * Had major surgery (head, heart, chest, abdomen) within the past 6 months. * Having plan to start to a restricted diet/ changing dietary pattern or lose weight. * Diagnosed with neurodegenerative diseases (e.g., Dementia, Alzheimer's, Parkinson's, current stroke) * Diagnosed with psychotic disorders (e.g., schizophrenia, bipolar depression, eating disorder) * Diagnosed with cardiovascular disease, diabetes, hyperlipidemia, hypertension (blood pressure\>140/90 mmHg), active cancer, liver, or kidney diseases. * Taking medication to lower blood fats (e.g., statins, fibrates) or to stabilise blood glucose (e.g., acarbose, metformin or sulfonylureas) or lower blood pressure. * Unable to complete the cognitive function tasks for any reason (i.e., visual impairments, hearing loss) * If you have a peacemaker * If you have bleeding disorders or blood related diseases (anaemia, thalassemia, thrombosis, embolism) * Heavy smoker * Heavy alcohol drinking (\> 14 units/week) or a history of alcohol/substance abuse * Allergies, hypersensitivity, or food intolerances (rice, eggs, soy sauce, vegetable oil)