Pressurized hot water extraction of bioactives

Plaza, Merichel; Marina, Marı́a Luisa

doi:10.1016/j.trac.2023.117201

Cited by 10 publications

(6 citation statements)

References 82 publications

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“…In contrast, in the other extraction techniques, the proportion of the six most abundant compounds was more similar, showing the potential of ASE_120 for the selective extraction of ferulic acid from white murta. Interestingly, this effect was achieved by applying a temperature for ASE that was not in the highest values reported for polyphenol extraction since the most common range is between 120 and 170 °C [ 40 ]. Thus, in this study, polyphenol extraction was achieved without using temperatures that can lead to the formation of undesirable compounds, such as Maillard reaction products [ 40 ].…”

Section: Resultsmentioning

confidence: 99%

“…Interestingly, this effect was achieved by applying a temperature for ASE that was not in the highest values reported for polyphenol extraction since the most common range is between 120 and 170 °C [ 40 ]. Thus, in this study, polyphenol extraction was achieved without using temperatures that can lead to the formation of undesirable compounds, such as Maillard reaction products [ 40 ]. In addition, the ionization properties of subcritical water change as the temperature rises, which can result in hydrolysis reactions of the natural components of the matrix.…”

Section: Resultsmentioning

confidence: 99%

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Differential Extraction and Preliminary Identification of Polyphenols from Ugni candollei (White Murta) Berries

Fuentes-Jorquera,

Canales,

Pérez-Correa

et al. 2024

Antioxidants

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Ugni candollei, commonly known as white murta, is a native Chilean berry with a polyphenol composition that has been underexplored. This study aimed to establish a comprehensive profile of white murta polyphenols using ultra-performance liquid chromatography electrospray ionization Orbitrap mass spectrometry (UPLC-ESI-ORBITRAP MS). Additionally, it compared the efficacy of conventional extraction methods with emerging techniques such as deep eutectic solvent (DES) extraction and hot pressurized water extraction (HPWE). The analysis tentatively identified 107 phenolic compounds (84 of them reported for the first time for this cultivar), including 25 phenolic acids, 37 anthocyanins, and 45 flavonoids. Among the prominent and previously unreported polyphenols are ellagic acid acetyl-xyloside, 3-p-coumaroylquinic acid, cyanidin 3-O-(6′-caffeoyl-glucoside, and phloretin 2′-O-xylosyl-glucoside. The study found HPWE to be a promising alternative to traditional extraction of hydroxybenzoic acids, while DES extraction was less effective across all categories. The findings reveal that white murta possesses diverse phenolic compounds, potentially linked to various biological activities.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Differential Extraction and Preliminary Identification of Polyphenols from Ugni candollei (White Murta) Berries

Fuentes-Jorquera,

Canales,

Pérez-Correa

et al. 2024

Antioxidants

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“…The principle behind this method involves the thermal motion and high polarity of water along with the strong permeability of the cells to water causing them to expand and separate from the cell walls. As a result, water can permeate through the cell wall and into the cytoplasm, dissolving the polysaccharides and facilitating their diffusion into the extracellular solvent ( 30 ). This extraction method is recognized as a “green technology” as it does not involve using chemicals or solvents.…”

Section: Extraction Of Polysaccharides From Russulamentioning

confidence: 99%

Polysaccharides from Russula: a review on extraction, purification, and bioactivities

Cheng,

Gan,

Yan

et al. 2024

Front. Nutr.

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Russula, a renowned edible fungus, has gained popularity as a functional food among diverse populations due to the abundant presence of amino acids, proteins, and polysaccharides. As the primary constituents of Russula, polysaccharides exhibit a wide range of biological properties, making them an exceptional choice for incorporation into food, medicines, and diverse biotechnological applications. This review provides a summary of the recent research on the extraction, purification, and biological applications of polysaccharides from various Russula spp. Currently, there are many advanced extraction technologies, such as hot water-based extraction, alkali-based extraction, ultrasonic-assisted extraction and microwave-assisted extraction. Hence, the latest progress of extraction technologies, as well as their advantages and limitations will be discusses and summarizes in this review. The separation and purification methods of polysaccharide from Russula were introduced, including ethanol precipitation, deproteinization and gel filtration chromatography. It also focuses on exploring the diverse bioactive capabilities of Russula, including anti-oxidant, anti-tumor, immunomodulatory, anti-inflammation, and anti-bacterial properties. Hence, this review aims to foster a comprehensive understanding of the polysaccharides from various Russula spp. and pave the way for their promising and potential future applications in the medical and functional fields.

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“…The parameters of the adsorption isotherms are determined by pressurized hot water extraction (PHWE) [56,57]. For this purpose, one PHWE is run on a laboratory scale (10 × 100 mm column, 1 g plant material) in a circulating mode at 120 • C and 1 mL/min and five different volumes.…”

Section: Isotherm Determinationmentioning

confidence: 99%

Autonomous Hydrodistillation with a Digital Twin for Efficient and Climate Neutral Manufacturing of Phytochemicals

Uhl,

Knierim,

Höß

et al. 2024

Processes

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Hydrodistillation is traditionally a green technology for the manufacturing of natural products that are volatile. As well as acknowledged process intensification methods such as microwave support for energy efficiency to move towards climate neutral operation, digital twins combined with process analytical technology for advanced process control enables reliable operation of an optimal operation point regarding lowest cost of goods, as well as lowest global warming potential equivalent. A novel process control enabled by digital twin technology has shown to reduce the ecological footprint of the extraction by up to 46.5%, while reducing the cost of extraction by 22.4%. Additionally, skilled operator time is reduced, and the sustainable plant material is utilized most efficiently. The approach is ready to apply, but broad industrialization seems to be held back by unclear business cases and lack of comprehension of decision makers. This is in drastic contrast to the political demand for climate neutrality goals and the cost pressure by worldwide completion.

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Pressurized hot water extraction of bioactives

Cited by 10 publications

References 82 publications

Differential Extraction and Preliminary Identification of Polyphenols from Ugni candollei (White Murta) Berries

Differential Extraction and Preliminary Identification of Polyphenols from Ugni candollei (White Murta) Berries

Polysaccharides from Russula: a review on extraction, purification, and bioactivities

Autonomous Hydrodistillation with a Digital Twin for Efficient and Climate Neutral Manufacturing of Phytochemicals

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