Effects of a Single Dose of Wild Blueberries on Mood and Executive Function in Healthy Emerging Adults: a Single-Blind, Randomized Controlled Trial
试验速览
- 阶段
- 不适用
- 状态
- 招募中
- 入组人数
- 80
- 试验地点
- 1
- 主要终点
- Positive affect as measured by PANAS-X
研究概览
简要总结
This study aims to investigate whether consuming a drink containing powdered blueberries (equivalent to 150 g of fresh fruit) can improve mood and executive function in healthy emerging adults.
详细描述
The present study will examine the psychological effects of a single dose of freeze-dried wild blueberries using a randomized, single-blind, placebo-controlled design. A total of 80 participants will be randomly allocated to consume either a drink prepared with 22 g blueberry powder or a drink prepared with 22 g placebo powder matched for macronutrients, flavour and colour.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Prevention
- 盲法
- Double (Participant, Outcomes Assessor)
入排标准
- 年龄范围
- 18 Years 至 25 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •18 to 25 years of age
排除标准
- •Any medically significant condition or mental health disorder (e.g. diabetes, endocrine or gastrointestinal disorders)
- •Taking medication (excluding hormonal contraception or medication for asthma/seasonal allergies)
- •Allergy to blueberries or any other Vaccinium species
研究组 & 干预措施
Blueberry drink
干预措施: Blueberry drink (Dietary Supplement)
Placebo drink
干预措施: Placebo drink (Dietary Supplement)
结局指标
主要结局
Positive affect as measured by PANAS-X
时间窗: 1.5 hours post-ingestion
Positive affect will be calculated by adding the values of the 21 positive items of the Positive and Negative Affect Schedule-X and the additional item "motivated". Thus, the scale will range from 0 to 88 points with higher scores indicating better mood.
次要结局
- Reaction time(1.5 hours post-ingestion)
- Executive function (accuracy)(1.5 hours post-ingestion)
- Negative affect as measured by PANAS-X(1.5 hours post-ingestion)
研究者
Prof Claire Williams
Prof. Claire Williams
University of Reading