Using Inflammatory Biological Age To Evaluate the Preventing Aging Effect of a Polyphenol-Probiotic-Enhanced Dietary
Ning Meng1,2, Yang Zhou3, Qinren Zhang1
1College of Light Industry and Food Engineering, Guangxi University, Nanning, Guangxi 530004, China.
Abstract:
A high-compliance dietary intervention was conducted for 2 weeks in adults aged 50 years and older to investigate the preventing aging effects of a polyphenol-probiotic-enhanced diet (P-diet) by using inflammatory biological age (IBA). Following the P-diet, levels of interleukin-6 (IL-6), IL-10, and C-reactive protein were reduced. These effects were accompanied by a significant increase in the richness of Lactobacillus and Bifidobacterium and decrease in CAG_56, as well as an increase in butyrate and acetate and decrease in lysine, uracil, and valine. We optimized a model by a back propagation artificial neural network to evaluate the degree of aging, with an R2 of 0.68. After the P-diet intervention, IBA was younger than chronological age and the inflammatory aging potential (Δage) was observably reduced by 90.12%, with change in Δage having a direct negative association with Akkermansia. Overall, P-diet may alleviate chronic low-grade inflammation and thus prevent the procession of inflammatory aging.
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