A new collection of articles published in The Journal of Gerontology have revealed how blueberries can help us to age well as they rank as one of the best fruits for their antioxidant activity. The studies show that consuming blueberries have been linked to reducing oxidative stress, a process strongly linked to ageing-related diseases. The new articles are based on findings from the earlier San Francisco Symposium focusing on blueberries for successful ageing.
As we get older, the risk of certain age-related diseases rises. These include Alzheimer’s disease, arthritis, cancer, cardiovascular disease, cataracts, hypertension and type 2 diabetes. In addition to this, we are an ageing population. In 2015 there were 901 million people aged 60 years and over globally, and by 2050 this is predicted to surge to 2.1 billion or one-fifth (21.3%) of the global population.
The British blueberry season is now in full swing, with shoppers spending just over £400m on blueberries in the UK. More than 41,000 tonnes of blueberries were sold in the 52 weeks up to 17th June 2019.
Dr Emma Derbyshire, Public Health Nutritionist and adviser to British Summer Fruits commented; “This is a very interesting collection of work. We know that blueberries are mini nutritional powerhouses providing vitamin C, calcium, potassium, magnesium, folate and manganese, as well as anthocyanins and a diverse range of polyphenolic compounds such as quercetin, so it makes good sense to eat them regularly as we age. Since the 1990s, research relating to blueberries and their health benefits has grown exponentially.”
The latest research findings from The Journal of Gerontology indicate a number of ways blueberries can help with ageing:
- Blueberries have been found to have ‘anti-inflammatory’ mechanisms which can help promote healthy ageing.
- Emerging clinical trials suggest that blueberry-supplemented diets could improve flow-mediated dilation (arterial blood flow) which appears to be attributed to blueberry anthocyanins which give them their distinct colour
- Other research suggests that blueberries could benefit memory in older populations, possibly due to their polyphenol profile. Ongoing work is needed.
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