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Title

Alpinia nelumboides Nob.Tanaka, T.T.K.Van & V.Hoang: phytochemical analysis and antioxidant activities of pseudo-stem and rhizome essential oils.

Authors

Nguyen Hoang, Tuan; Tran-Trung, Hieu; Giang, Le Duc; Triet, Nguyen Thanh; Tran Van, Chen; C. Vu, Danh; Van Nguyen, Anh; Nguyen Thanh To, Nhi; Nguyen, Khoa V.A.; Dang Nguyen, Khoa

Abstract

Alpinia nelumboides Nob.Tanaka, T.T.K.Van & V.Hoang is the new Alpninia species discovered in Vietnam in 2023. Herein, we first hydrodistillated its pseudo-stems and rhizomes to obtain its essential oils, PS-EO and RH-EO. Their volatile compounds and total polyphenols were analysed by gas chromatography-mass spectrometry and the Folin-Ciocalteu method, respectively. Antioxidant activities were determined using four different approaches. The results showed that PS-EO and RH-EO contained 40 and 31 compounds, accounting for 99.78% and 99.45% of their compositions, respectively. The contents of polyphenols and monoterpenes in PS-EO were higher than in RH-EO. RH-EO displayed weaker scavenging activities (17.40–19.53%) than PS-EO (30.81–44.08%). PS-EO also showed higher ferric and cupric reducing powers, with EC50 values of 3.50–5.30 mg/mL smaller than RH-EO's EC50 values of 19.0–23.0 mg/mL. These results first revealed the phytochemical profile and antioxidant activities of EOs from A. nelumboides.

Subjects

GAS chromatography/Mass spectrometry (GC-MS); ESSENTIAL oils; ANTIOXIDANT analysis; ALPINIA; POLYPHENOLS

Publication

Natural Product Research, 2025, Vol 39, Issue 1, p127

ISSN

1478-6419

Publication type

Academic Journal

DOI

10.1080/14786419.2023.2256021