The 1st PPAVI Higher Education Research and Vocational Conference 2026

Submission Details

Accepted PPAVI-2026-1BEA0233 / Oral
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Submission Information

Submitted
02 Oct 2026, 11:58 WIB
Presentation Type
Oral
Symposium
Symposium on Health Futures, Nursing Innovation, and Community Wellbeing
Track
General Health
Topic
General Health
Authors
Yovita Mercya
Affiliation
Universitas Santo Borromeus
Submission Payment
Paid

Title and Abstract

English

Title

Nutmeg Seed Oil Outperforms Its Combination with Green Tea in Scopolamine-Induced Cognitive Impairment in Mice

Abstract

Current cholinesterase inhibitors such as donepezil are limited by adverse effects including agitation and sleep disturbance. Nutmeg, Myristica fragrans Houtt., seed oil and green tea, Camellia sinensis (L.) Kuntze, infusion containing pro-cognitive constituents, have been proposed to act synergistically while balancing sedation. This study evaluated their cognitive and sedative effects, alone and combined, in scopolamine-induced dementia mice. Thirty male mice were assigned to six groups (n = 5): normal, negative control (scopolamine 1 mg/kg), positive control (donepezil 3 mg/kg), nutmeg seed oil (200 µL/kg), green tea infusion (200 mg/kg), or their combination, given 30 minutes before scopolamine. Spatial learning and memory were assessed by the Morris water maze (5-day acquisition, probe test), and locomotor activity and sedation by the open field test (ToxTrac). Data were analysed using Wilcoxon signed-rank, Kruskal-Wallis, and Mann-Whitney U tests. Nutmeg seed oil alone produced the greatest cognitive improvement (Δ = 23.33 s; 35.00% time in target quadrant), comparable to donepezil and significantly better than the negative control (P = 0.008). The combination improved memory but did not exceed nutmeg seed oil alone (P = 0.095) and remained inferior to donepezil (P = 0.032), indicating no synergy. Green tea alone was least effective, reflecting a degrading infusion procedure (90 °C, 15 min). The combination showed intermediate locomotor activity. Nutmeg seed oil alone, not combined with green tea, is the more promising pro-cognitive candidate in scopolamine-induced dementia mice. Combination re-evaluation requires optimised green tea extraction and mechanistic confirmation.

Keywords

Cognitive impairment, Nutmeg seed oil, Green tea, Scopolamine, Dementia, Mice

Bahasa Indonesia

Judul

Minyak Bijih Pala Mengungguli Kombinasinya dengan Teh Hijau dalam Gangguan Kognitif yang Diinduksi Skopolamin pada Tikus

Abstrak

Inhibitor kolinesterase saat ini seperti donepezil terbatas oleh efek samping yang merugikan termasuk agitasi dan gangguan tidur. Minyak bijih pala, Myristica fragrans Houtt., dan infus teh hijau, Camellia sinensis (L.) Kuntze, yang mengandung komponen pro-kognitif, telah diusulkan untuk bertindak secara sinergis sambil menyeimbangkan sedasi. Penelitian ini mengevaluasi efek kognitif dan sedatif mereka, baik secara terpisah maupun gabungan, pada tikus demensia yang diinduksi skopolamin. Tiga puluh tikus jantan dibagi menjadi enam kelompok (n = 5): normal, kontrol negatif (skopolamin 1 mg/kg), kontrol positif (donepezil 3 mg/kg), minyak bijih pala (200 µL/kg), infus teh hijau (200 mg/kg), atau kombinasi mereka, diberikan 30 menit sebelum skopolamin. Pembelajaran spasial dan memori dinilai dengan labirin air Morris (akuisisi 5 hari, tes probe), dan aktivitas lokomotor serta sedasi dengan tes lapangan terbuka (ToxTrac). Data dianalisis menggunakan uji Wilcoxon signed-rank, Kruskal-Wallis, dan Mann-Whitney U. Minyak bijih pala sendiri menghasilkan peningkatan kognitif terbesar (Δ = 23,33 s; 35,00% waktu di kuadran target), sebanding dengan donepezil dan secara signifikan lebih baik daripada kontrol negatif (P = 0,008). Kombinasi meningkatkan memori tetapi tidak melebihi minyak bijih pala sendiri (P = 0,095) dan tetap inferior dibandingkan donepezil (P = 0,032), menunjukkan tidak ada sinergi. Teh hijau sendiri paling tidak efektif, mencerminkan prosedur infusi yang menurun (90 °C, 15 menit). Kombinasi menunjukkan aktivitas lokomotor menengah. Minyak bijih pala sendiri, tidak dikombinasikan dengan teh hijau, adalah kandidat pro-kognitif yang lebih menjanjikan pada tikus demensia yang diinduksi skopolamin. Penilaian ulang kombinasi memerlukan ekstraksi teh hijau yang dioptimalkan dan konfirmasi mekanistik.

Kata kunci

Gangguan kognitif, Minyak bijih pala, Teh hijau, Skopolamin, Demensia, Tikus

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