Comparison of classical and ultrasound-assisted extractions of steroids and triterpenoids from three Chresta spp.
Elisandra Cristina Schinor,Elisandra Cristina Schinor,Marcos José Salvador,Izabel Cristina Casanova Turatti,Orghêda Luiza Araujo Domingues Zucchi,Orghêda Luiza Araujo Domingues Zucchi,Diones Aparecida Dias,Diones Aparecida Dias +7 more
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TLDR
The use of ultrasound decreased significantly the total time of treatment and in addition, this extraction method was more effective for the steroids and most of the triterpenes.About:
This article is published in Ultrasonics Sonochemistry.The article was published on 2003-11-14 and is currently open access. It has received 77 citations till now. The article focuses on the topics: Chresta.read more
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Recent advances in extraction of nutraceuticals from plants
Lijun Wang,Curtis L. Weller +1 more
TL;DR: In this article, a critical review was conducted to introduce and compare the conventional Soxhlet extraction and the new alternative methods used for the extraction of nutraceuticals from plants, and the practical issues of each extraction method were discussed.
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A review on plant-based rutin extraction methods and its pharmacological activities
TL;DR: There are various extraction methods for plant-based rutin ranging from conventional method up to the use of modern techniques such as ultrasound, mechanochemical, microwave, infrared and pressurized assisted methods.
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Enhancement of Food Processes by Ultrasound: A Review
Yang Tao,Da-Wen Sun +1 more
TL;DR: This review is focused on the use of ultrasound to enhance various food processes, including extraction, freezing, thawing, brining, oxidation, filtration, and drying/dehydration.
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Techniques of preparing plant material for chromatographic separation and analysis.
TL;DR: Individual steps of the procedures used in sample preparation, including sample collection from the environment or from tissue cultures, drying, comminution, homogenization, leaching, extraction, distillation and condensation, analyte enrichment, and obtaining the final extracts for chromatographic analysis are discussed.
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Analytical uses of ultrasound I. Sample preparation
TL;DR: An overview of the principles and the uses of ultrasonic devices for improving, accelerating or automating sample preparation can be found in this paper, where the authors compare them with well-established alternatives and critically comment upon them.
References
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Separation and determination of flavonoids and other phenolic compounds in cranberry juice by high-performance liquid chromatography.
Hao Chen,Yuegang Zuo,Yiwei Deng +2 more
TL;DR: A HPLC method was developed for the separation and determination of flavonoid and phenolic antioxidants in cranberry juices, which provides a fast and high resolution of individual flavonoids and Phenolic compounds.
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Antibacterial Activity of Flavonoids Against Methicillin-resistant Staphylococcus aureus strains
TL;DR: It is concluded that the flavonoids chalcone, 2'(OH)-chal cone, 2',4'( OH)(2)-chalcone and 2,4(OH)(2-chalcone) might constitute promising therapeutic agents against infections with methicillin-resistant S. aureus strains.
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Ethnopharmacology of mexican asteraceae (compositae)
TL;DR: The sesquiterpene lactones, a large group of compounds with antiinflammatory properties and the ability to relax smooth muscles and thereby relieve gastrointestinal distress are emphasized.
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Gas chromatography–mass spectrometry method for the simultaneous determination of wood extractive compounds in quaking aspen
TL;DR: A rapid gas chromatography-mass spectrometry method for the detailed compositional analysis of 70 underivatized wood extractive components present in quaking aspen found that derivatization was unnecessary for the GC-MS analysis of the target compounds.
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Comparison of extraction and clean‐up methods for the analysis of friedelan‐3‐ol and friedelin from leaves of Maytenus aquifolium Martius (Celastraceae)
TL;DR: A comparative study of three extraction methods (maceration/sonication, Soxhlet and supercritical fluid extraction) and three clean-up procedures for chromatographic analysis (high resolution gas chromatography with flame ionisation detection; HRGC-FID) of the triterpenes friedelan-3-ol and friedelin from leaves of Maytenus aquifolium Martius (Celastraceae), one of the species known in Brazil as “espinheira santa”, has been conducted as mentioned in this paper.