EVALUATION OF BIOACTIVE COMPOUNDS FROM COMMERCIAL LAVENDER PRODUCTS AND COMPARATIVE HISTO-ANATOMICAL STUDY
Journal Title: Analele Stiintifice ale Universitatii Alexandru Ioan Cuza din Iasi, Serie noua, Sectiunea II a. Biologie vegetala - Year 2014, Vol 60, Issue 2
Abstract
This study focuses on the assessment of biologically active compounds from commercial samples of lavender tea and the comparison of anatomical characteristics of two species of lavender used in phytotherapy. The volatile oils from two Lavandulae flos tea samples were analysed using gas chromatography coupled with mass spectrometry. Quantitative evaluation of rosmarinic and chlorogenic acids was performed using spectrophotometrical methods. The presence of heavy metals in samples was determined by atomic absorption spectroscopy in order to assess the safety use of products. The histo-anatomical analysis of leaf and stem of Lavandula angustifolia Mill. and Lavandula latifolia Medik. was carried out by usual techniques applied in plant anatomy. Although the main compounds of volatile oils were in both cases linalool and linalyl acetate, a major difference was observed in the yield of essential oil, with 1.05%, respectively 2.75% in the two commercial samples. Significant amounts of rosmarinic (1.19 - 4.74 g%) and chlorogenic acid (2.53 - 10.06 g%) were observed, thus explaining some of the pharmacological effects of the vegetal product. A very low content of heavy metals was determined in plant and infusion samples. The two species exhibit only small anatomical differences that are mainly of quantitative nature.
Authors and Affiliations
CRISTINA LUNGU, ANDREIA CORCIOVA, ADRIAN SPAC, CONSTANTIN CIOBANU, BIANCA IVANESCU
Keywords
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