Ulvan from green macroalgae: Bioactive properties advancing tissue engineering, drug delivery systems, food industry, agriculture and water treatment

Anisha, G.S.; Augustianath, Tessy; Padmakumari, Savitha; Singhania, Reeta Rani; Pandey, Ashok; Patel, Anil Kumar

doi:10.1016/j.biteb.2023.101457

Cited by 9 publications

(6 citation statements)

References 108 publications

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“…The potential health benefits of seaweed make it an attractive option for the food and pharmaceutical industries. Macroalgae are an excellent biomass source rich in various bioactive polysaccharides, peptides, polyphenols, pigments and other bioactive compounds, which have potential applications in the food industry and biomedical sectors as functional ingredients [ 26 , 27 ]. A significant proportion of carbohydrates was obtained from U. rigida , accounting for 48% of the dry biomass.…”

Section: Discussionmentioning

confidence: 99%

Extraction, Characterisation and Evaluation of Antioxidant and Probiotic Growth Potential of Water-Soluble Polysaccharides from Ulva rigida Macroalgae

Phomkaivon,

Pongponpai,

Kosawatpat

et al. 2024

Foods

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Ulva rigida green macroalgae contain a variety of polysaccharides. A recent study investigated the optimum concentration and yield of polysaccharide extraction from oven-dried U. rigida biomass using a water-soluble polysaccharide extraction method that adhered to safety standards. This study utilised complete factorial experiments to examine the effects of varying factors on polysaccharide extraction. Results showed a positive correlation between increased levels of all factors and higher polysaccharide extraction yield. This study also found that the main factors and their interaction had a significant impact on the extracted polysaccharides from U. rigida. The highest polysaccharide content and yield were 9.5 mg/mL and 189 mg/g, respectively. Water-soluble polysaccharides demonstrated the presence of reducing sugar (8 mg/g), phenolics (0.69 mg/g) and flavonoids (1.42 mg/g) and exhibited antioxidant properties. Results revealed that freeze-dried polysaccharide powders were primarily composed of the monosaccharide rhamnose. Preliminary results on the effect of these powders on probiotics demonstrated that supplementation of polysaccharides from U. rigida promoted viable Lactobacillus rhamnosus ATCC 53103 growth during cultivation. This discovery has the potential to revolutionise the human food industry and promote the development of functional ingredients for novel and future food products, with numerous applications in the nutraceutical and pharmaceutical industries.

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Section: Discussionmentioning

confidence: 99%

Extraction, Characterisation and Evaluation of Antioxidant and Probiotic Growth Potential of Water-Soluble Polysaccharides from Ulva rigida Macroalgae

Phomkaivon,

Pongponpai,

Kosawatpat

et al. 2024

Foods

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“…Edible films/coatings based on polysaccharides, such as Arabic gum [30,146], guar gum [147], chitosan [148], fucoidan [65], pectin [149], and ulvan [150], on some proteins, such as milk protein derivatives/compounds, such as casein hydrolysate and casein phosphopeptides [151,152], and on lipids, such as candelilla wax [153], have revealed antimicrobial properties. In particular, fucoidan and ulvan have been shown to be antibacterial and antiviral [65,154,155].…”

Section: Antimicrobial Propertiesmentioning

confidence: 99%

“…Some of the compounds described in Section 3.1.1 have also shown their antioxidant capacity. Edible films/coatings that have antioxidant properties are based on polysaccharides, such as alginate [17], Arabic gum [146], chitosan [148], fucoidan [65], guar gum [147], konjac gum [159], pectin [10,149], and ulvan [150], on some proteins, such as milk protein derivatives, like casein hydrolysate and casein phosphopeptides [151,152], and on lipids, like carnauba wax [156]. In spite of presenting good antioxidant properties, some compounds cannot be used alone as film packaging because they are too fragile, like the one with levan, which, to solve this problem, may be blended with gellan gum [125].…”

Section: Antioxidant Propertiesmentioning

confidence: 99%

Recent Highlights in Sustainable Bio-Based Edible Films and Coatings for Fruit and Vegetable Applications

Martins,

Pintado,

Morais

et al. 2024

Foods

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The present review paper focuses on recent developments in edible films and coatings made of base compounds from biological sources, namely plants, animals, algae, and microorganisms. These sources include by-products, residues, and wastes from agro-food industries and sea products that contribute to sustainability concerns. Chitosan, derived from animal biological sources, such as crustacean exoskeletons, has been the most studied base compound over the past three years. Polysaccharides typically constitute no more than 3–5% of the film/coating base solution, with some exceptions, like Arabic gum. Proteins and lipids may be present in higher concentrations, such as zein and beeswax. This review also discusses the enrichment of these bio-based films and coatings with various functional and/or bioactive compounds to confer or enhance their functionalities, such as antimicrobial, antioxidant, and anti-enzymatic properties, as well as physical properties. Whenever possible, a comparative analysis among different formulations was performed. The results of the applications of these edible films and coatings to fruit and vegetable products are also described, including shelf life extension, inhibition of microbial growth, and prevention of oxidation. This review also explores novel types of packaging, such as active and intelligent packaging. The potential health benefits of edible films and coatings, as well as the biodegradability of films, are also discussed. Finally, this review addresses recent innovations in the edible films and coatings industry, including the use of nanotechnologies, aerogels, and probiotics, and provides future perspectives and the challenges that the sector is facing.

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“…The use of cellwall-degrading enzymes such as Cellulysin can efficiently release polysaccharides from the cell wall matrix, increasing ulvan yields. In UAE, the ultrasonic vibrations create cavities in the cell wall, promoting cell wall disruption and the release of ulvan [30]. Therefore, the combination of these two methods constitutes an effective approach which does not require the use of harsh chemicals or solvents.…”

Section: Combined Enzymatic and Ultrasound Extractionmentioning

confidence: 99%

Enzyme-Assisted Extraction of Ulvan from the Green Macroalgae Ulva fenestrata

Malvis Romero,

Picado Morales,

Klose

et al. 2023

Molecules

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Ulvan is a sulfated polysaccharide extracted from green macroalgae with unique structural and compositional properties. Due to its biocompatibility, biodegradability, and film-forming properties, as well as high stability, ulvan has shown promising potential as an ingredient of biopolymer films such as sustainable and readily biodegradable biomaterials that could replace petroleum-based plastics in diverse applications such as packaging. This work investigates the potential of Ulva fenestrata as a source of ulvan. Enzyme-assisted extraction with commercial cellulases (Viscozyme L and Cellulysin) and proteases (Neutrase 0.8L and Flavourzyme) was used for cell wall disruption, and the effect of the extraction time (3, 6, 17, and 20 h) on the ulvan yield and its main characteristics (molecular weight, functional groups, purity, and antioxidant capacity) were investigated. Furthermore, a combined process based on enzymatic and ultrasound extraction was performed. Results showed that higher extraction times led to higher ulvan yields, reaching a maximum of 14.1% dw with Cellulysin after 20 h. The combination of enzymatic and ultrasound-assisted extraction resulted in the highest ulvan extraction (17.9% dw). The relatively high protein content in U. fenestrata (19.8% dw) makes the residual biomass, after ulvan extraction, a potential protein source in food and feed applications.

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Ulvan from green macroalgae: Bioactive properties advancing tissue engineering, drug delivery systems, food industry, agriculture and water treatment

Cited by 9 publications

References 108 publications

Extraction, Characterisation and Evaluation of Antioxidant and Probiotic Growth Potential of Water-Soluble Polysaccharides from Ulva rigida Macroalgae

Extraction, Characterisation and Evaluation of Antioxidant and Probiotic Growth Potential of Water-Soluble Polysaccharides from Ulva rigida Macroalgae

Recent Highlights in Sustainable Bio-Based Edible Films and Coatings for Fruit and Vegetable Applications

Enzyme-Assisted Extraction of Ulvan from the Green Macroalgae Ulva fenestrata

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