Bioactive compounds from bay leaves (Laurus nobilis) extracted by microwave technology
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Diana B. Muñiz-Márquez
Abstract
Laurus nobilis leaves contain flavored and bioactive components with relevant biological properties for human health that are attributed to an abundant presence of highly bioactive secondary metabolites. However, the separation process for these bioactive molecules from plant matrix is seriously limited by the presence of a physical barrier (cell wall). Thus, the use of novel extraction procedures to enhance their release is particularly important. In this work, the potential use of microwave-assisted extraction (MAE) as a tool to improve the extraction efficiency of bioactive compounds from bay leaves and their characterization was evaluated. The effects of irradiation time (3, 6 and 9 min) and aqueous ethanol concentration (0, 25 and 50%) on the extraction of phenolic compounds were evaluated. A response surface methodology was applied to determine the best extraction conditions by MAE. The maximum total phenolic compound under the best conditions (9 min time irradiation and aqueous ethanol 50%) was 10.63±0.91 mg gallic acid equivalent/g plant using MAE. Also, the antioxidant potential of the extracts obtained was evaluated.
Acknowledgments
The authors thank the National Council of Science and Technology (CONACYT) Mexico for the financial support during their postgraduate studies at Universidad Autónoma de Coahuila. They also thank Coyotefoods, Biopolymer and Biotechnology S. de R.L. Mi. and MSc Claudia Patricia Flores Dávila for the facility, technical help and training in use of the microwaves.
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©2018 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
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- Antimalarial activity of the isolates from the marine sponge Hyrtios erectus against the chloroquine-resistant Dd2 strain of Plasmodium falciparum
- Rapid-communication
- Bioactive compounds from bay leaves (Laurus nobilis) extracted by microwave technology
- Erratum
- Erratum to: Transcriptome profiling reveals an IAA-regulated response to adventitious root formation in lotus seedling
- Erratum to: A comparative proteomic analysis for adventitious root formation in lotus root (Nelumbo nucifera Gaertn)
Articles in the same Issue
- Frontmatter
- Research Articles
- Diverse bioactive compounds from Sarcophtyton glaucom: structure elucidation and cytotoxic activity studies
- Pobeguinine: a monoterpene indole alkaloid and other bioactive constituents from the stem bark of Nauclea pobeguinii
- Why is the hydrolytic activity of acetylcholinesterase pH dependent? Kinetic study of acetylcholine and acetylthiocholine hydrolysis catalyzed by acetylcholinesterase from electric eel
- Evaluation of Lavandula stoechas L. subsp. stoechas L., Mentha spicata L. subsp. spicata L. essential oils and their main components against sinusitis pathogens
- Screening of the five different wild, traditional and industrial Saccharomyces cerevisiae strains to overproduce bioethanol in the batch submerged fermentation
- The effects of inulin and fructo-oligosaccharide on the probiotic properties of Lactobacillus spp. isolated from human milk
- A proteomics analysis of adventitious root formation after leaf removal in lotus (Nelumbo nucifera Gaertn.)
- Larval hemolymph of rhinoceros beetle, Allomyrina dichotoma, enhances insulin secretion through ATF3 gene expression in INS-1 pancreatic β-cells
- Antimalarial activity of the isolates from the marine sponge Hyrtios erectus against the chloroquine-resistant Dd2 strain of Plasmodium falciparum
- Rapid-communication
- Bioactive compounds from bay leaves (Laurus nobilis) extracted by microwave technology
- Erratum
- Erratum to: Transcriptome profiling reveals an IAA-regulated response to adventitious root formation in lotus seedling
- Erratum to: A comparative proteomic analysis for adventitious root formation in lotus root (Nelumbo nucifera Gaertn)
