Sakir
Universitas Halu Oleo

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EVALUATION OF ANTIOXIDANT ACTIVITY OF YELLOW COCONUT (Cocos nucifera L) USING THE DPPH METHOD: EVALUASI AKTIVITAS ANTIOKSIDAN KELAPA KUNING (Cocos Nucifera L) DENGAN METODE DPPH Baihaqi; Fatahu; Sakir; Andi Laila Nugrawati; Ika Rezvani Aprita; Sri Agustina
ROCE : Jurnal Pertanian Terapan Vol. 3 No. 1 (2026): JPT ROCE 5, 2026
Publisher : PT. ROCE WISDOM ACEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71275/roce.v3i1.171

Abstract

Yellow coconut (Cocos nucifera L) is an underexplored variety with significant potential in the agricultural and food sectors. Unlike regular coconuts, yellow coconuts have a distinct yellow skin and sweeter water. This study evaluates the antioxidant activity of yellow coconut water and flesh using the DPPH (2,2-Diphenyl-1-Picrylhydrazyl) method, which measures the ability to neutralize free radicals. Results indicate that both yellow coconut water and flesh contain bioactive compounds with notable antioxidant properties, though their activities vary depending on concentration. The water showed significant antioxidant activity at higher concentrations, whereas the flesh showed better activity at lower concentrations. The IC50 values for yellow coconut water and flesh were 900.6 ppm and 1342 ppm, respectively, showing that while both parts have promising antioxidant potential, higher concentrations are needed for more effective results. This research provides valuable insights into the potential of yellow coconut as a natural antioxidant source and its implications for food and health product development.  
TRAINING AND COMMUNITY MENTORING ON THE PRODUCTION OF VIRGIN COCONUT OIL (VCO) AND NATA DE COCO IN PADALEU SUBDISTRICT, KENDARI CITY: PELATIHAN DAN PENDAMPINGAN MASYARAKAT DALAM PEMBUATAN VIRGIN COCONUT OIL (VCO) DAN NATA DE COCO DI KELURAHAN PADALEU KOTA KENDARI Baihaqi; Sakir; Fatahu; Windayani; Ika Rezvani Aprita; Sri Agustina
WISDOM : Jurnal Pengabdian Kepada Masyarakat Wisdom Vol. 3 No. 1 (2026): JPKM WISDOM 5, 2026
Publisher : PT. ROCE WISDOM ACEH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71275/wisdom.v3i1.181

Abstract

Padaleu Subdistrict, Kendari City, has significant potential for coconut resources, yet its utilization remains limited to low-value-added products. This community service activity aims to enhance the local community’s knowledge and skills through training and mentoring in producing Virgin Coconut Oil (VCO) and nata de coco as value-added coconut products with economic potential. The implementation method includes preparation, training through lectures and hands-on practice, production mentoring, and evaluation using pretest-posttest, skill assessments, and production outcomes. The results show an increase in participants’ knowledge, with an average pretest score of 52.44 rising to 72.88 in the posttest. Participants’ skills also improved, with the average score increasing from 2.15 to 3.31 on a 1–4 scale. The production success rate for VCO was 84%, while for nata de coco it was 56%, with a contamination rate of 20%. The difference in success rates indicates that VCO technology is easier to adopt than nata de coco, which requires stricter sanitation controls and fermentation processes. The activity is considered effective in enhancing the community’s capacity for coconut processing, given its local potential. Further mentoring is needed to improve product quality consistency, especially nata de coco, to ensure its sustainability and competitiveness as a household-based business.