A yearlong randomized managed trial revealed that every day consumption of prunes slowed the development of bone loss related to osteoporosis.
Dairy isn’t the one meals helpful for bone well being. In keeping with a brand new research led by Penn State researchers, prunes can also assist shield bone construction and power in postmenopausal girls. The findings, printed in Osteoporosis Worldwide, point out that consuming prunes every day can sluggish the development of age-related bone loss and scale back the danger of fractures.
“That is the primary randomized managed trial to take a look at three-dimensional bone outcomes with respect to bone construction, geometry, and estimated power,” mentioned Mary Jane De Souza, distinguished professor of kinesiology and physiology at Penn State. “In our research, we noticed that every day prune consumption impacted components associated to fracture threat. That’s clinically invaluable.”
Bones are made from dynamic tissues which are continuously in a course of of transforming. Specialised bone cells take away previous bone changing it with new bone. With age, the scales begin to tip, and the physique breaks down bone quicker than it may well construct it.
The Problem of Osteoporosis
The accelerated lack of bone can result in osteoporosis, a illness the place bone turns into much less dense and bone construction modifications, making it weaker and at higher threat of fracture. Over 10 million Individuals have the situation, in accordance with the Facilities for Illness Management and Prevention, and it’s extra frequent in girls in comparison with males and in older adults.
It’s of explicit concern amongst postmenopausal girls, the researchers mentioned. Estrogen, a hormone important for bone well being, declines throughout this life part and decrease ranges of estrogen hastens the lack of bone density. Whereas there’s medicine out there to deal with osteoporosis, the researchers mentioned that many ladies who ought to be taking it aren’t.
Prunes supply a promising different, in accordance with De Souza. They include bioactive compounds like polyphenols which will blunt the inflammatory pathways that result in bone loss.
Prior research primarily used twin power X-ray absorptiometry (DXA) to guage 2D bone mass density and to diagnose osteoporosis. However DXA scans can’t distinguish between various kinds of bone tissue or measure the structural properties of bone, which might function a proxy for bone power and high quality, the researchers defined.
“After we take a look at bone mineral density, we’re taking a look at how a lot bone there’s, however we additionally need to know concerning the high quality of the bone. After we take a look at a three-dimensional image, we will take a look at bone construction, geometry, and micro-architecture. In different phrases, it tells us how good the bone is,” De Souza mentioned.
Detailed Research Design and Findings
To see whether or not every day prune consumption influenced bone high quality, the analysis workforce carried out a 12-month randomized managed trial with 235 postmenopausal girls. Members have been assigned to one in every of three teams: no prunes; 50 grams, or 4 to 6, prunes every day; or 100 grams, or 10 to 12, prunes every day. Each six months, they have been assessed utilizing a peripheral quantitative computed tomography, or pQCT, scan, which permits for cross-sectional imaging to measure 3D bone mass density, bone geometry, and bone power.
Over the course of 1 12 months, the researchers discovered that measures of bone mass density and bone power on the tibia, or shin bone, all decreased in girls within the management group. In distinction, those that ate not less than 4 to 6 prunes each day maintained bone density and bone power and preserved bone construction, notably in cortical bone. Whereas girls in each prune teams noticed profit, 4 to 6 prunes a day stands out as the extra possible dose. Ladies within the 100-gram group dropped out of the research at the next price as a result of they acquired bored of incorporating so many prunes into their every day weight-reduction plan.
“It’s fairly thrilling information for a 12-month research,” De Souza mentioned. “We have been in a position to preserve and protect bone on the weight-bearing, cortical bone of the tibia and the upkeep of cortical bone and bone power is essential to avoiding fracture.”
Prune consumption may additionally doubtlessly scale back the danger of osteoporosis, De Souza defined, however extra analysis is required.
With this paper, the analysis workforce has constructed on a set of research that examine the connection between prunes and bone well being. In a prior study with the identical cohort of ladies, the analysis workforce demonstrated that every day prunes consumption for a 12 months additionally preserved complete bone mass density on the hip. They’ve additionally investigated potential mechanisms behind prunes’ bone protecting results, together with how prunes affect micro organism within the gut microbiome. De Souza mentioned they hope to proceed to develop on these findings in future research.
Reference: “Prunes protect cortical density and estimated power of the tibia in a 12-month randomized managed trial in postmenopausal girls: The Prune Research” by Kristen J. Koltun, Nicole C. A. Strock, Connie Weaver, Grasp Lee, Nancy I. Williams, Connie J. Rogers, Janhavi Damani, Mario G. Ferruzzi, Cindy H. Nakatsu and Mary Jane De Souza, 13 February 2024, Osteoporosis Worldwide.
DOI: 10.1007/s00198-024-07031-6
The analysis was funded by the California Prune Board.
