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Open wounds healing is need more time because of the long inflammatory phase. Dragon fruit skin contains flavonoids and vitamin C which function as anti-inflammatory and cell regeneration. The purpose of this study was to determine the therapeutic effects of dragon fruit skin extract ointment (Hylicereus costaricensis) on the area of IL-2 expression and the number of mononuclear inflammatory cells in skin tissue in open wounds of rats (Rattus norvegicus) for 6 days of treatment. As many as 20 male rats, ± 180 grams, Wistar were divided into 5 groups namely negative control, positive control, ointment of dragon fruit skin extract with concentration of 5% (P1), concentration of 10% (P2) and concentration of 15% (P3). Wound formed as dorsal skin biopsy of dorsal 1x1 cm. Ointment was given topically 2x/day for 6 days. Rats were euthanized on day 7 th and the skin tissues of the wound area were collected. The number of mononuclear inflammatory cells was counted in skin slides of HE staining and Expression Area expression of IL-2 was measured by ImmunoRatio® in immunohistochemical slides. Data were analyzed statistically using One Way ANOVA and Tukey Post Hoc Test. The results showed that dragon fruit skin extract ointment was able to reduce significantly (p<0.05) for area expression of IL-2 and the number of mononuclear inflammatory cells and the best concentration of ointment for treatment was 15%. This is due to the effect of flavonoids as anti-inflammatory and vitamin C as a trigger for cell regeneration. The conclusion of the study was that ointment of dragon fruit peel able to become a candidate for therapeutic medicine for open wounds.

veterinary biomedical and clinical journal

The Ointment of Peel Dragon Fruit (Hylicereus costaricensis) Extract Decreased the Interleukin-2 (IL-2) Expression and the Number of Mononuclear Inflammation Cells toward Open Wound in Skin of Rats Wistar