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Effects of the combination of red dragon fruit, kiwi, and young coconut water on blood pressure through ACE inhibition and antioxidant mechanisms in pre-elderly women: A quasi-experimental study Rifda, Afifah; Maigoda, Tonny Cortis; Natan, Okdi; Krisnasary, Arie; Jumiyati, Jumiyati
AcTion: Aceh Nutrition Journal Vol 11, No 1 (2026): March
Publisher : Department of Nutrition at the Health Polytechnic of Aceh, Ministry of Health

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30867/action.v11i1.2627

Abstract

Hypertension is a major health concern among pre-elderly women, particularly those aged ≥45 years, as the hormonal changes associated with menopause exacerbate susceptibility. This study aimed to evaluate the effects of combined red dragon fruit (Hylocereus polyrhizus), green kiwi (Actinidia deliciosa), and young coconut water (Cocos nucifera) juice on blood pressure among women aged 45–59 years with prehypertension at the Sawah Lebar Primary Health Center in Bengkulu. A quasi-experimental pretest–posttest design was used with 30 participants in this study. Participants were assigned to the intervention (n=15; 230 mL juice twice daily for 7 days combined with exercise and nutrition counseling) or control (n = 15; counseling only) groups. Blood pressure was measured at baseline and post-intervention. Statistical analyses were performed using paired and independent t-tests (p<0.05) and ANCOVA. The intervention group showed a significant reduction in systolic (137.0±1.81 to 122.47±2.32 mmHg) and diastolic pressures (87.07±1.43 to 81.87±1.50 mmHg) compared with the control group (systolic: 135.87±2.29 to 132.40±2.77 mmHg; diastolic: 87.27±1.22 to 84.87±1.55 mmHg). The high potassium content (1,041.5 mg/serving) may enhance vasodilation, inhibit angiotensin-converting enzyme activity, and reduce sodium retention. Confounders (BMI, sodium intake, and physical activity) contributed <25% of the variance. This functional juice effectively reduced blood pressure, supporting its role in non-pharmacological strategies for hypertension management. Larger and longer trials are required to confirm the long-term benefits.
Co-Authors Agus Triyono Ahmad Dahlan Ahmad Rizal ahmad rizal Ahmad Sulaeman Ainun Nadhifah, Ainun Aliyah Rosalina Alyxia Gita Stellata Anang Wahyudi Anggela, Mesi Apriani, Zoli Ayu Pravita Ayu Pravita Sari Barakatun Nisak Budi Setiawan Burhan , Rialike Darwis Demsa Simbolon Desri Suryani Dewi Lusiani Dicki Bakhtiar Purkon DINA ANGGRAINI Dwi Preci Anugrah Efrida, Solha Eliana Eliana Elly Wahyuni Emy Yuliantini Ester Angelina Winanti Ritonga Faizah Min Fadhlillah Firdaus Firdaus Firdaus Firdaus Hari Hariadi Hari Hariadi, Hari Indah Fitri Andini Judiono Judiono Jumiyati Jumiyati, Jumiyati Jumyati Jumyati Krisnasary, Arie Kurniawan, Maskun Kusdalinah Kusdalinah Maria Immaculata Iwo Mariati Mariati Mariati Mia Audina Miratul Haya, Miratul Misbakhul Munir Mizawati, Afrina Natan, Okdi Nispi Yulyana Nurul, Melyana Pamungkas, Barolym Tri Putra, Boy Zedra Ananda Pratama Putri, Frita Aulia Eka Refdanita Refdanita Refdanita Refdanita Ridhola Maharani Rifda, Afifah Risda Yulianti Rizki, Gibrina Rohmatulloh, Rizal Roro Ajhie Ayuningtyas Roro Ajhie Ayuningtyas Roro Ajjie Ayuningtyas Rustam Aji Rustam Aji Rochmat Rustam Aji, Rustam Saifullah, Ipul Salsabilla, Putri sari, wina puspita Septanti, Anggriani Sherly Ratih Frichesarius Santy Aji Sherly Ratih Frichesyarius Santi Ajhie Sherly Ratih Frichesyariuss Shanty Aji Soemardji, Adreanus Andaja Sri Sumarni Sugiono Sugiono SULISTIYANI SULISTIYANI Suratman Suseno Amin, Suseno Tamaulina Br Sembiring Teodhora, Teodhora Tetes Wahyu W Tetes Wahyu Witradharma Tetes Wahyu Witradharma Tri Handyani Utami, Umi Juarna Widiastuti, Heny Wiwiek Mulyani Yayat Sudaryat Yenni Okfrianti Yenny, Ratna Fitry YUNITA Yunita, Viona Septi Zy Khairunnisa