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Dergiler / International Journal of Secondary Metabolite / 2026 / Volume: 13 Issue: 3

Phenolics, antioxidant activity, and α-amylase inhibitory effect of Alpinia menghaiensis rhizome extracts

Nguyen Thi Trang(Industrial University of Ho Chi Minh City)0000-0002-9792-7202
Nguyen Ngan(Industrial University of Ho Chi Minh City)0000-0002-1512-0297
Nguyen Tat Son(Industrial University of Ho Chi Minh City)0009-0001-5922-1540
Tran Thi Thu Hang(Department of Chemistry, Vinh University)0009-0005-3857-2973
Hoang Van Trung(School of Chemistry, Biology and Environment, Vinh University)0009-0008-5813-1253
Sayfa
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Yayın Tarihi
2026-09-02
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⚡ TL;DR(1 Cümlede Hızlı Çıkarım)

These findings indicate that A. menghaiensis rhizomes are a rich source of phenolic compounds with significant antioxidant and enzyme inhibitory potential, making them a promising candidate for use in functional foods or pharmaceutical applications.

📌 3 Maddede Bu Makale

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Amaç & Hipotez:Alpinia menghaiensis S.Q.
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Temel Bulgular & Veri:The results revealed that the methanol/acetone extract contained the highest levels of catechin (9.22 ± 0.27 mg/g), p-coumaric acid (1.38 ± 0.02 mg/g), quercetin (1.74 ± 0.18 mg/g), and the highest total phenolic content (86.75 ± 5.89 mg/g).
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Sonuç & Katkı:These findings indicate that A. menghaiensis rhizomes are a rich source of phenolic compounds with significant antioxidant and enzyme inhibitory potential, making them a promising candidate for use in functional foods or pharmaceutical applications.
🔬Tür:Research Article
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Alpinia menghaiensis · Phenolics · Catechins

Abstract

Alpinia menghaiensis S.Q. Tong & Y.M. Xia, a member of the Zingiberaceae family, is often used in traditional medicine. Limited information regarding phenolics and bioactivities of this plant species is available in the literature. This study evaluates the phenolic composition, antioxidant activity, and α-amylase inhibitory effect of Alpinia menghaiensis rhizome extracts. The results revealed that the methanol/acetone extract contained the highest levels of catechin (9.22 ± 0.27 mg/g), p-coumaric acid (1.38 ± 0.02 mg/g), quercetin (1.74 ± 0.18 mg/g), and the highest total phenolic content (86.75 ± 5.89 mg/g). It also showed the most potent capacity to scavenge free DPPH and ABTS radicals, with IC50 values of 257.83 ± 13.02 and 497.20 ± 14.18 μg/mL, respectively. The extract obtained with ethyl acetate exhibited the strongest α-amylase inhibitory activity (IC50 = 394.03 ± 13.09 μg/mL). Correlation analysis demonstrated a strong positive correlation between total phenolic content and both DPPH (r = 0.958) and ABTS (r = 0.956) scavenging activities. These findings indicate that A. menghaiensis rhizomes are a rich source of phenolic compounds with significant antioxidant and enzyme inhibitory potential, making them a promising candidate for use in functional foods or pharmaceutical applications.

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Bu Makaleye Atıf Yap

Trang, N. T., Ngan, N., Son, N. T., Hang, T. T. T., Trung, H. V. (2026). Phenolics, antioxidant activity, and α-amylase inhibitory effect of Alpinia menghaiensis rhizome extracts. International Journal of Secondary Metabolite, Volume: 13 Issue: 3. https://doi.org/10.21448/ijsm.1779764

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