Courtesy of North American Raspberry & Blackberry Association:
"One cup of blackberries contains only 60 calories, but 50% of a day's requirement for vitamin C, 31% of fiber, 9% of folate, 8% of vitamin A, and 6% of vitamin E. It has only 1 gram of fat, no saturated fats or transfats, no cholesterol and no sodium.
Blackberries contain high levels of anthocyanins, which give them their deep, dark color and work as antioxidants in the body. Blackberries have among the highest antioxidant levels of fruits regularly tested and consumed. Antioxidants are believed to help prevent and repair oxidative stress, which damage cells within the body and has been linked to the development of cancer, heart disease, Alzheimer's disease, and Parkinson's disease.
Anthocyanins and similar compounds may help reduce cardiovascular disease and diabetes, and improve eyesight and memory. Blackberries also contain ellagic acid, which may slow the growth of some cancer cells.
Frozen blackberries retain all the nutritional benefits of fresh blackberries."
For more information and recipes visit www.raspberryblackberry.com
Johns Hopkins Medicine also has information about the advantages of various berries on heart health. This can be found at this website: https://www.hopkinsmedicine.org/health/wellness-and-prevention/berry-good-for-your-heart https://www.hopkinsmedicine.org/health/wellness-and-prevention/berry-good-for-your-heart