HS-SPME Analysis of True Lavender (Lavandula angustifolia Mill.) Leaves Treated by Various Drying Methods

Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry
Jacek ŁyczkoAntoni Szumny

Abstract

True lavender (Lavandula angustifolia Mill.) is a widely used flavoring and medicinal plant, which strong aroma is mainly composed of linalool and linalyl acetate. The most valuable parts of the plant are the flowers, however leaves are also abundant in volatile constituents. One of the main factors responsible for its quality is the preservation procedure, which usually comes down to a drying process. For this reason an attempt to verify the influence of various drying methods (convective drying, vacuum-microwave drying and combined convection pre-drying with vacuum-microwave finishing drying) on the quality of true lavender leaves was carried out by determination of the volatile constituents profile by solid-phase microextraction (SPME) coupled with GC-MS technique. Total essential oil (EO) content was also verified. The study has revealed that the optimal drying method is strongly dependent on the purpose of the product. For flavoring properties convective drying at 60 °C is the most optimal method, while the best for preserving the highest amount of EO is vacuum-microwave drying at 480 W. Furthermore, SPME analysis had shown that drying may increase the value of true lavender leaves by significantly affecting the linalool t...Continue Reading

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Citations

Aug 14, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Jacek ŁyczkoAntoni Szumny
Jul 8, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Alan GasińskiWitold Pietrzak
Jun 11, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Jacek ŁyczkoAntoni Szumny
Dec 15, 2019·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Jacek ŁyczkoAntoni Szumny
Jan 23, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Constantinos K Zacharis, Paraskevas D Tzanavaras
May 1, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Jacek ŁyczkoSebastian Sendel
Jun 3, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Anna K Żołnierczyk, Antoni Szumny

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