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Antimicrobial Activity of Essential Oil of <i>Zingiber officinale</i>Roscoe (Zingiberaceae)

American Journal of Plant Sciences 2017年第7期8卷 1511-1524页

作者： Etna Itzel Curiel López Mariana Fernanda Hernández Balcázar Jenyffer Madelein Ramírez Mendoza areli dyan rivas ortiz María Teresa ortiz Melo Rocío Serrano Parrales Tzasna Hernández Delgado Laboratorio de Farmacognosia UBIPRO Facultad de Estudios Superiores-Iztacala Universidad Nacional Autónoma de México Tlalnepantla México

Zingiber officinale, commonly known as ginger, is a species native of tropical Asia. It is grown and used in tropical countries of America, including Mexico, where it is used for the treatment of throat infections. The aim of this study was to determine the chemical composition of essential oil of Z. officinale rhizome and evaluate their antimicrobial activity. The essential oil was obtained by hydrodistillation, and the chemical composition of the oil was determined by GC-MS. To determine the antimicrobial activity diffusion, agar dilution and radial growth inhibition methods were employed. Microbial growth curves were performed on the strains most susceptible. It was identified 28 compounds in the essential oil, the most abundant were eudesmol (8.19%), γ-terpinene (7.88 %), a-curcumene (7.28%), alloaromadendrene (6.56%), zingiberene (6.06 %), α-pinene (5.76 %), δ-cadinene (3.84%), elemol (3.39%), farnesal (3.45%), E-β-farnesene (3.57%), neril acetate (2.8%) and β-myrcene (2.94%). In antimicrobial activity, the essential oil inhibited the growth of 15 bacterial strains, 3 of yeast fungi and 4 of mycelia fungi. The most susceptible strains were S. aureus FES-I (MIC = 0.25 mg/mL) S. epidemidis FES-C (MIC = 0.5 mg/mL), E. faecalis ATCC 14506 (MIC = 1.0 mg/mL), C. tropicalis (CMI = 0.125 mg/mL) and T. mentagrophytes (CF50 = 0.08 mg/mL). In the microbial growth curves the essential oil showed bactericidal effect on S. aureus FES-I and S. marcescens ATCC 14756 from the first hour of exposure of the strains to oil, eliminating 99.9% of CFU in concentrations of 0.5 and 0.75 mg/mL respectively. The results validate the medicinal use of Z. officinale in the treatment of diseases of possible infectious origin.

关键词： Antibacterial Activity Antifungal Activity Essential Oil Zingiber officinale Monoterpenes Sesquiterpenes

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Antimicrobial Activity of Essential Oil of Zingiber officinale Roscoe (Zingiberaceae)

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American Journal of Plant Sciences（美国植物学期刊） 2017年第7期

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