Bài viết nghiên cứu thành phần hóa học tinh dầu lá Premna serratifolia ở Việt Nam bằng GC/MS. Thành phần chính: caryophyllene oxide (23.4%), (E)-β-caryophyllene (15.5%).

Cancer is a major challenge, affecting health, society, and the economy. Natural therapies may help reduce side effects of conventional treatment. The present study aimed to determine phytochemical characterization and evaluation of in vitro anticancer activity of the essential oil (EO) obtained from G. tamirensis leaves.

Ocimum africanum L. is a distinctive Vietnamese herb, especially common in Tuy Hòa, Phú Yên. This study focuses on extracting and analyzing the chemical composition of the essential oil derived from the leaves of Ocimum africanum. The essential oil was extracted using the steam distillation method and its chemical composition was analyzed using gas chromatography-mass spectrometry (GC-MS).

The current study first describes the chemical composition of the leaf essential oil of Cinnamomum subpenninervium Kosterm. ex H.H. Pham collected from Nghe An province, Central Vietnam.

Essential oil of Piper lolot leaves in Quang Nam-Da Nang do obtain via the steam distillation method with oil collection efficiency reaching 0.68%. The present study aimed to determine the chemical components and anti-acetylcholinesterase activity of Piper lolot leaves oil collected from Quang Nam-Da Nang.

The chemical composition of the ginger oil from fresh rhizomes of Zingiber officinale was analyzed by GC-MS. The essential oil consists predominantly of monoterpenoids and sesquiterpenoids, including α-pinene, limonene, δ-3-carene, γ-terpinene, α-phellandrene, and β-caryophyllene.

Researching objectives: Describing some biological characteristics and distribution of Zingiber and Hedychium species from north-central Vietnam; determining the essential oil chemical composition; antimicrobial and antimosquito larvae activities of essential oils of some Zingiber and Hedychium species from north-central Vietnam.

Objectives: Assess the diversity of essential oil-bearing plants and the chemical composition of essential oils extracted from some oil-bearing species in Vu Quang National Park, Ha Tinh province

To identify species, biological traits, chemical composition, and bioactive activities of essential oil and to develop propagation technical process using tissue culture techniques from shoot bud cutting to contribute to the conservation and development of genetic sources of native ginger plants in Bac Kan.

In this study, the antimicrobial activity and phytochemical constituents of neem leaves and lemon grass oil extracts were evaluated. Oil extracts of neem leaves and lemon grass were obtained by solvent extraction method using hexane and ethanol.

Researching objectives: Evaluating the diversity and using values of essential oil plants at Ben En National Park, Thanh Hoa province. Determining the content and composition of essential oils of some plant species. Determinating the anti-mosquito and anti-microbial activities of essential oils of Zingiber zerumbet (L.) Smith.