OBJECTIVES Monoterpenes can positively or negatively affect human health depending on their concentrations. To assess the atmospheric risk for greenhouse workers, monoterpene concentrations and personal exposure in herb-growing greenhouses were measured. METHODS Monoterpene concentrations in a commercial greenhouse, where rosemary (Rosmarinus officinalis L.) and lavender (Lavandula angustifol...

Laurus nobilis L. (sweet laurel) is one of the volatile oil bearing plants of Lauraceae family. It is cultivated in different parts of Iran and its leaves and fruits have been used in food, cosmetics and pharmaceutical industries. There are a few reports about the effects of some environmental conditions on the quality and quantity of laurel volatiles. The goal of our work was to search the sea...

The technique of thermal desorption (TD)-GC/MS was evaluated for the measurement of monoterpenes in indoor air. The validation strategy was intentionally oriented towards routine use and the reliability of the method rather than extreme performance. For this reason, validation by accuracy profile was chosen. The accuracy profile procedure, which is based on the concept of total error (bias+stan...

Dried leaves of Eucalyptus camaldulensis were finely grinded and fractionated by sieving into four granulometric classes (355 μm). The obtained powder fractions used for essential oil (EO) extraction hydrodistillation their phytochemical profile in vitro antioxidant activities evaluated. mother (unsieved powder) was comparison. Particle size exerted a significant influence (p properties the EOs...

inh dầu gừng là một trong những tinh quý do có công dụng chữa bệnh buồn nôn, chống say tàu xe, kháng oxi hóa, khuẩn và viêm. Trong nghiên cứu này, thành phần hóa học từ căn hành Zingiber officinale Roscoe trồng tại Phú Yên Bình Dương lần đầu tiên được bố. Các thông số chưng cất lôi cuốn hơi nước tối ưu bao gồm thời gian ly trích (06 giờ) tỉ lệ nguyên liệu: (1:3 g/ml). Thành phân tích bằng phươn...