Wu Junkai, Hu Wanjun, Chen Jing, Hu Jianping, Ke Cuimin, Sheng Zunlai
School of Pharmacy, Quanzhou Medical College, Quanzhou, China.
College of Veterinary Medicine, Northeast Agricultural University, Harbin, China.
Front Plant Sci. 2025 May 8;16:1527525. doi: 10.3389/fpls.2025.1527525. eCollection 2025.
(L.) Cass. and Franch. are increasingly recognized for their medicinal properties, particularly among ethnic minority communities in southern China, where they are used for heat-clearing, detoxification, cough relief, lung expulsion, and asthma alleviation. Despite their traditional use, these species have been subjected to limited research regarding their biological activities, leaving a gap in scientific understanding.
This study was designed to investigate the essential oil (EO) compositions, as well as the antioxidant and antimicrobial properties of and . The EOs were extracted via hydrodistillation and analyzed using gas chromatography-mass spectrometry (GC-MS). The antioxidant potential was assessed through ABTS and DPPH free radical scavenging assays, along with the ferric reducing antioxidant power (FRAP) method. The antimicrobial activity was evaluated against five bacterial strains, including two Gram-positive (, ) and three Gram-negative (, , ) species, using the broth microdilution technique.
The essential oil from (EOgp) yielded 0.14% and was found to contain 24 compounds. It demonstrated high antioxidant activity in the ABTS assay and exhibited the strongest antibacterial effect against . In contrast, the essential oil from (EOgd) had a higher yield of 0.26% and contained a more complex composition with 100 compounds. It showed superior antioxidant activity in both the DPPH and FRAP assays and also demonstrated the highest antibacterial activity against .
The findings of this study confirm that both and possess significant potential as natural sources of antioxidants and antibacterial agents, warranting further exploration for their development into therapeutic products.
（L.）Cass. 和 Franch. 因其药用特性而日益受到认可，在中国南方的少数民族社区尤其如此，在那里它们被用于清热、解毒、止咳、祛痰和缓解哮喘。尽管有传统用途，但对这些物种的生物活性研究有限，在科学认知方面存在空白。
本研究旨在调查（物种名称未给出，原文此处有误，应补充完整物种名）的精油（EO）成分以及抗氧化和抗菌特性。通过水蒸馏法提取精油，并使用气相色谱 - 质谱联用仪（GC - MS）进行分析。通过ABTS和DPPH自由基清除试验以及铁还原抗氧化能力（FRAP）法评估抗氧化潜力。使用肉汤微量稀释技术评估对五种细菌菌株的抗菌活性，包括两种革兰氏阳性菌（物种名称未给出，原文此处有误，应补充完整）和三种革兰氏阴性菌（物种名称未给出，原文此处有误，应补充完整）。
（物种名称未给出，原文此处有误，应补充完整）的精油（EOgp）得率为0.14%，共鉴定出24种化合物。在ABTS试验中显示出高抗氧化活性，对（细菌名称未给出，原文此处有误，应补充完整）表现出最强的抗菌作用。相比之下，（物种名称未给出，原文此处有误，应补充完整）的精油（EOgd）得率更高，为0.26%，成分更复杂，有100种化合物。在DPPH和FRAP试验中均显示出优异的抗氧化活性，对（细菌名称未给出，原文此处有误，应补充完整）也表现出最高的抗菌活性。
本研究结果证实（物种名称未给出，原文多处有误，应补充完整）作为抗氧化剂和抗菌剂的天然来源具有巨大潜力，值得进一步探索以开发成治疗产品。
