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An efficient microwave pretreatment (MP) method was employed to maintain quality of postharvest rosemary leaves. The influence of MP on the contents of carnosic acid (CA) and rosmarinic acid (RA) in rosemary leaves was investigated under four storage conditions (sunlight, shade, −20°C, 55°C). Rosemary leaves after MP (800W, 15min) had much lower degradation rates of CA and RA than those of non-treatment...
An ionic liquid based microwave-assisted simultaneous extraction and distillation (ILMSED) method has been developed for the effective extraction of carnosic acid (CA), rosmarinic acid (RA) and essential oil (EO) from Rosmarinus officinalis. A series of 1-alkyl-3-methylimidazolium ionic liquids differing in composition of anion and cation were evaluated for extraction yield in this work. The results...
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