Hancornia speciosa and Wound Healing

    Wound healing is a dynamic and tightly regulated process involving overlapping phases of inflammation, tissue formation, and remodeling. Successful repair depends on timely cell migration, angiogenesis, collagen deposition, and resolution of inflammation. When inflammation is excessive or prolonged, healing can be delayed, increasing the risk of chronic wounds. For this reason, compounds that can both promote tissue regeneration and modulate inflammation are of particular interest. Hancornia speciosa, a medicinal plant native to the Brazilian cerrado and traditionally used to treat wounds, has gained attention for its angiogenic, osteogenic, and anti-inflammatory properties.

To evaluate its therapeutic potential, one study developed cream-gel formulations containing 5%, 15%, and 25% H. speciosa latex serum and tested their effects on skin wound healing in rats. A total of 120 animals were divided into five groups: saline control, three treatment groups (5%, 15%, and 25% latex), and a base cream-gel without latex. Wound healing was assessed at 3, 7, 14, and 21 days after injury, with parameters including wound contraction, necrosis, fibrin deposition, inflammatory cell infiltration, fibroblast activity, angiogenesis, hemorrhage, and collagen formation (1).

    The results showed that the 15% and 25% formulations were particularly effective during the early inflammatory phase, increasing angiogenesis and mononuclear cell infiltration, both of which are essential for initiating tissue repair. During the proliferative phase, the 5% and 15% formulations improved wound contraction rates, suggesting enhanced fibroblast function and tissue closure. Notably, the 15% cream-gel also promoted greater collagen production, a key factor in strengthening and remodeling the repaired tissue. Overall, while all concentrations showed some benefit, the 15% formulation appeared to provide the most balanced improvement across different stages of healing (1).

A complementary study explored the cellular mechanisms underlying these effects by examining the ethanolic leaf extract of H. speciosa and its main bioactive compounds—bornesitol, rutin, and quinic acid—in laboratory models. Using a scratch assay, which simulates a wound by creating a gap in a layer of fibroblasts, researchers observed that the extract significantly enhanced cell migration and proliferation (42.8% ± 5.4 at 25 µg/mL). Even stronger effects were seen with individual compounds, particularly bornesitol (80.8% ± 5.1) and quinic acid (69.1% ± 6.2), indicating their important role in accelerating tissue repair (2).

    The study also evaluated anti-inflammatory activity by measuring tumor necrosis factor-alpha (TNF-α), a cytokine that promotes inflammation and can impair healing when overproduced. In stimulated immune cells, the extract reduced TNF-α levels by 62.9%, while quinic acid (90.2%) and rutin (82.4%) showed especially strong inhibition. Bornesitol also contributed to reducing inflammatory signaling, though to a lesser extent. These findings suggest that H. speciosa not only accelerates wound closure but also helps regulate the inflammatory environment, creating more favorable conditions for healing (2).

The healing process relies on two key mechanisms: re-epithelialization, where keratinocytes migrate and proliferate to restore the skin barrier, and wound contraction, driven by fibroblasts that pull the wound edges together and deposit extracellular matrix components such as collagen. Fibroblasts are central to this process, as they rebuild tissue structure and provide mechanical strength. However, persistent inflammation—often mediated by cytokines like TNF-α—can disrupt fibroblast activity and delay repair. Therefore, interventions that enhance fibroblast function while suppressing excessive inflammation are particularly effective.

Together, these studies demonstrate that Hancornia speciosa supports wound healing through multiple complementary pathways. Its latex-based formulations enhance angiogenesis, fibroblast activity, and collagen production in vivo, while its leaf extract and isolated compounds promote cell migration and proliferation in vitro. At the same time, strong anti-inflammatory effects—especially from quinic acid and rutin—help limit excessive cytokine activity and improve the healing environment. Among the tested formulations, the 15% cream-gel appears to offer the most consistent benefits across healing stages. Overall, these findings provide scientific support for the traditional use of H. speciosa and highlight its potential as a low-cost, plant-based therapy to improve wound-healing outcomes (1,2).

References:

1.     D'Abadia PL, Lemes SR, Melo-Reis PR, Lino Júnior RS, Gonçalves PJ, Reis DDS, Caixeta GAB, Amaral VCS, Almeida LM. Tissue healing changes on wounds in rats after treatment with Hancornia speciosa latex in cream-gel formulation. Acta Cir Bras. 2022 Dec 19;37(10):e371001. doi: 10.1590/acb371001. PMID: 36542039; PMCID: PMC9762431.

2.     Geller FC, Teixeira MR, Pereira AB, Dourado LP, Souza DG, Braga FC, Simões CM. Evaluation of the Wound Healing Properties of Hancornia speciosa Leaves. Phytother Res. 2015 Dec;29(12):1887-93. doi: 10.1002/ptr.5438. Epub 2015 Sep 6. PMID: 26344935.

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