Analytical characterization of purified mimosa (Acacia mearnsii) industrial tannin extract: Single and sequential fractionation

Missio, André Luiz; Tischer, Bruna; Santos, Patrícia Soares Bilhalva dos; Codevilla, Cristiane Franco; Menezes, Cristiano Ragagnin de; Barin, Juliano S.; Haselein, Clóvis Roberto; Labidi, Jalel; Gatto, Darci Alberto; Petutschnigg, Alexander; Tondi, Gianluca

doi:10.1016/j.seppur.2017.06.010

Cited by 50 publications

(54 citation statements)

References 42 publications

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“…The CTs detected in CG in HSM with ethanol 50% (15.35–46.15 g catechin equivalent/100 g raw material or 46.06–132.37 g catechin equivalent/100 g extract, Figure 2b2) were comparable to the approximately 11.5 g catechin equivalent/100 g extract detected in the extracts of Acacia mearnssi obtained with ethyl acetate (Missio et al, ).…”

Section: Resultssupporting

confidence: 60%

Dispersion‐assisted extraction of guarana processing wastes on the obtaining of polyphenols and alkaloids

Santana

Zanini

Macedo

2020

J Food Process Engineering

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This is the first work to evaluate the effects of high shear mixing (HSM) on the recovery of valuable polar compounds from guarana processing wastes (peels and depleted seeds), which results may server to support researches on the valorization of guarana. Under the optimum condition, the HSM was led to extract catechin (11.11–42.93 g/100 g raw material), epicatechin (7.83–24.78 g/100 g raw material) and caffeine (9.99–28.80 g/100 g raw material) from guarana products, which contents were comparable with those obtained with ultrasound assisted extraction and maceration, and significantly higher than those obtained with infusion and decoction. Besides the relatively low reducing sugar content (0.02–0.23 g glucose equivalent/100 g raw material), HSM extracts also presented high antioxidant capacity (25–533 mg ascorbic acid equivalent/g raw material) and phenolic compounds (0.5–45 g catechin equivalent/100 g raw material and 0.1–66.38 g gallic acid equivalent/100 g raw material). The use of pectinase enhanced the HSM to recover target compounds in depleted seeds. Practical applications The use of guarana has emerged as a source of antioxidants, associated to enhancement of cognitive function, to prevent cancer‐related symptoms, and to control the weight. This paper is the first research to use high‐shear mixing (HSM) to maximize the recovery of bioactive compounds from the peels and depleted seeds of guarana, the wastes derived from the Brazilian carbonated beverage industry. The extraction efficiency of HSM for 1 min to recover polyphenols and alkaloids was like those of ultrasound assisted assisted and maceration, performed for 30 min. Our results confirm that HSM is an environmentally friendly, rapid and low‐cost method to extract bioactive compounds from guarana. Our results are expected to support further researches on the use of HSM as an extraction protocol for analysis and to evaluate the multipurpose potential of guarana processing wastes for food and non‐food formulations.

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Section: Resultssupporting

confidence: 60%

Dispersion‐assisted extraction of guarana processing wastes on the obtaining of polyphenols and alkaloids

Santana

Zanini

Macedo

2020

J Food Process Engineering

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“…When tannin was embedded within the nanofibrillated cellulose, the resulting film showed highly antioxidant activity when in contact with water, and this may also represent a certain protection against fungi (YAMAGUCHI et al, 2002;PIZZI et al, 2004;TONDI et al, 2013b;MISSIO et al, 2017b). It was observed that nanocellulose films impregnated with tannin result in a film surface that is more hydrophobic than pure nanocellulose films, which is due to an intimate interconnection between the flavonoid tannin and the cellulose (MISSIO et al, 2018).…”

Section: Wood-plastic Compositesmentioning

confidence: 99%

“…Hence, purification of the industrial extract is required when the tannin has to be utilized for more advanced purposes ( Figure 6) (MISSIO et al, 2017b).…”

Section: Tannin Purification and Fractionationmentioning

confidence: 99%

“…Mimosa tannin extracts are obtained through hot water extraction of bark chips in a counter-current series of autoclaves, using different parameters of temperature, pressure and time according to the required final properties of the extract (ARBENZ;AVEROUS, 2015;MISSIO et al, 2017b;MISSIO et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

“…Condensed tannins have been used for centuries for leather tanning , and for decades for the production of adhesives (CARVALHO et al, 2014), wines (RINALDI et al, 2016), and water filters (BELTRÁN HEREDIA;SÁNCHEZ MARTÍN, 2009). More recently, the use of these phenolic substances was also examined for their antioxidant and antifungal activities in pharmaceutical products (WEI et al, 2015;AIRES et al, 2016;MISSIO et al, 2017b), for coatings (PAN et al, 2015), and for the synthesis of advanced ultra-lightweight materials (AMARAL-LABAT et al, 2013). In particular, polymers synthesized from mimosa extractives resulted in plastics that were less brittle than those made from other condensed tannins, and the polymerization of mimosa extractives was easier to control (PIZZI, 1994).…”

Section: Introductionmentioning

confidence: 99%

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Exploring tannin extracts: Introduction to new bio-based materials

Missio

Gatto²,

Tondi

2019

RCM

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In a world seeking environmentally sustainable products, bio-resources are investigated as suitable replacements to oil-derived products. Tannin extracts represent one of the most abundant phenolic resources of the earth, with more than 200,000 T/year. These extractives are constituted mainly of polyphenolic compounds and they are used industrially for various purposes, including leather tanning, wine-making, and water clarification. However, condensed tannin extractives can also be easily polymerized, and the resulting bio-macromolecule can be exploited for other applications such as adhesives and coatings. In recent years, tannin-based polymers have also been used for the synthesis of fire-resistant insulation foams and outdoor wood preservatives. This bio-resource imparts also outstanding water resistance to wood plastic composites (WPCs) and gives great antioxidant activity to nanofibrillated cellulose films, which become an interesting material for "active packaging". This literature review covers these four innovative solutions made from tannin extractives from mimosa or black wattle (Acacia mearnsii) industrial powder and provides some basic information about the purification of the industrial tannin extract that can be suitable for more chemically specific usages.

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Versatile Assembly of Metal–Phenolic Network Foams Enabled by Tannin–Cellulose Nanofibers

et al. 2023

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ranging from filaments [2] and films [3] to porous aerogels and foams. [4,5] Among the latter, cellulosic foams represent green options with potential for nontoxic thermal insulation, [6] catalytic environmental remediation, [7,8] and lightweight materials, [5] among others. Although cellulose provides robust porous scaffolds, its intrinsic chemical inertness restricts applications unless it is modified with entities holding specific functionalities (e.g., magnetism, conductivity). On that note, CNFs have been chemically modified, [9,10] composited with polymers [11,12] or nanomaterials, [6] used as a template for the growth of functional nanoparticles, [13] and more recently coassembled with metal-organic frameworks (MOFs). [14] Such efforts have enhanced their processing and uses; [1] however, most of the classical challenges related to generic nanohybridization also apply to cellulosic materials, a subject that remains poorly developed in the case of CNF. In cellulose constructs, cellulose-cellulose interactions are superior to other noncovalent interactions. Therefore, modifying cellulose or adding a secondary phase typically reduces the structural cohesion. Furthermore, incorporating a functionality within a nanocellulose network often leads to uneven distribution, aggregation, and phase separation. Meanwhile, Metal-phenolic network (MPN) foams are prepared using colloidal suspensions of tannin-containing cellulose nanofibers (CNFs) that are ice-templated and thawed in ethanolic media in the presence of metal nitrates. The MPN facilitates the formation of solid foams by air drying, given the strength and self-supporting nature of the obtained tannin-cellulose nanohybrid structures. The porous characteristics and (dry and wet) compression strength of the foams are rationalized by the development of secondary, cohesive metalphenolic layers combined with a hydrogen bonding network involving the CNF. The shrinkage of the MPN foams is as low as 6% for samples prepared with 2.5-10% tannic acid (or condensed tannin at 2.5%) with respect to CNF content. The strength of the MPN foams reaches a maximum at 10% tannic acid (using Fe (III) ions), equivalent to a compressive strength 70% higher than that produced with tannin-free CNF foams. Overall, a straightforward framework is introduced to synthesize MPN foams whose physical and mechanical properties are tailored by the presence of tannins as well as the metal ion species that enable the metal-phenolic networking. Depending on the metal ion, the foams are amenable to modification according to the desired application.

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Analytical characterization of purified mimosa (Acacia mearnsii) industrial tannin extract: Single and sequential fractionation

Cited by 50 publications

References 42 publications

Dispersion‐assisted extraction of guarana processing wastes on the obtaining of polyphenols and alkaloids

Dispersion‐assisted extraction of guarana processing wastes on the obtaining of polyphenols and alkaloids

Exploring tannin extracts: Introduction to new bio-based materials

Versatile Assembly of Metal–Phenolic Network Foams Enabled by Tannin–Cellulose Nanofibers

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