# Nicotinamide Riboside's Role in Enhancing Rubber Composites: Insights from Acacia Nilotica Extract

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NMN & NR Supplementation · 2026-03-19


    This study investigates the potential of Acacia nilotica leaf extract as a natural antioxidant in rubber composites. The research highlights the extract's effectiveness in improving the aging resistance of both natural rubber (NR) and styrene-butadiene rubber (SBR) composites. This is particularly relevant in the context of longevity research, where the preservation of material integrity can parallel biological aging processes.

 What this study examined

The study assessed the incorporation of Acacia nilotica leaf extract into NR and SBR composites at concentrations ranging from 0.5 to 2 phr. The effectiveness of the extract was compared to that of a commercial antioxidant, polymerized 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ). The researchers utilized Fourier-transform infrared spectroscopy (FTIR) and field emission scanning electron microscopy (FESEM) to evaluate chemical interactions and dispersion, while rheometric studies were performed to analyze curing behavior. The primary outcome was the improvement in the physico-mechanical characteristics of the rubber composites, particularly their resistance to thermo-oxidative aging at elevated temperatures.

 Why this matters for longevity research

The findings of this study are significant for longevity research as they underscore the importance of antioxidants in enhancing the durability of materials, which can be analogously applied to biological systems. Just as rubber composites benefit from improved aging resistance, biological systems may also derive benefits from compounds that enhance cellular resilience against oxidative stress. In the context of aging, compounds like Nicotinamide Riboside (NR) are known to boost NAD+ levels, which play a crucial role in cellular repair and longevity pathways, including those regulated by sirtuins.

 Key findings

Acacia nilotica leaf extract significantly improves aging resistance in NR and SBR composites.

Optimal antioxidant performance in NR composites was observed at a concentration of 0.5 phr.

Higher concentrations (≥1 phr) negatively impacted initial strength without enhancing aging resistance compared to TMQ.

In SBR composites, the extract dramatically increased tensile strength and elongation at break at ideal concentrations of 0.5-1 phr.

Acacia extract outperformed TMQ in preventing excessive modulus expansion during aging.

The study validates the potential of Acacia extract as an environmentally friendly antioxidant for rubber applications.

Applications include automotive, sealing, and vibration-damping components, where durability is critical.

 The science behind it

The biological mechanisms underlying the benefits of antioxidants like Acacia nilotica extract may relate to their ability to mitigate oxidative stress, which is a significant contributor to aging. In the context of aging research, antioxidants are essential for maintaining cellular function and integrity. Nicotinamide Riboside, for instance, enhances NAD+ levels, which are vital for activating sirtuins—proteins involved in cellular stress responses and longevity. By improving the aging resistance of rubber composites, the study indirectly highlights the relevance of similar protective strategies in biological systems, where maintaining cellular health is paramount for extending healthspan.

 How it fits into the longevity field

This research fits into the broader field of longevity by emphasizing the role of natural compounds in enhancing material properties, drawing parallels to how certain interventions can improve biological resilience. The findings align with ongoing research into other natural antioxidants and their potential applications in promoting longevity. Similar studies have explored the effects of various compounds on cellular aging, reinforcing the idea that both synthetic and natural interventions can contribute to improved health outcomes.

 Practical takeaways

For researchers and informed readers, this study highlights the potential of Acacia nilotica extract as a sustainable antioxidant in industrial applications, particularly in the automotive sector. The findings suggest that further exploration of natural antioxidants could yield valuable insights into developing materials that are not only durable but also environmentally friendly. Additionally, the parallels drawn between material aging and biological aging underscore the importance of exploring natural compounds that may enhance healthspan.

 FAQ

 What is Acacia nilotica extract?

Acacia nilotica extract is derived from the leaves of the Acacia nilotica tree and is studied for its antioxidant properties.

 How does this study relate to longevity?

The study's findings on aging resistance in rubber composites can be analogously applied to biological aging, emphasizing the role of antioxidants in cellular health.

 What are the implications of using natural antioxidants?

Using natural antioxidants like Acacia nilotica extract can lead to more sustainable material solutions while potentially offering insights into enhancing healthspan.

 Source: PubMed · Sci Rep · published 2026-03-19.

## Sources

- PubMed · Sci Rep: https://pubmed.ncbi.nlm.nih.gov/41857112/