Nanofiltration as a potential process for the reduction of sugar in apple juices on an industrial scale

Pruksasri, Suwattana; Lanner, Bernhard; Novalin, Senad

doi:10.1016/j.lwt.2020.110118

Cited by 16 publications

(8 citation statements)

References 20 publications

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“…At DV of 1.1, nearly 36% of D-glucose and 34% of D-fructose were removed, while 95% of TPC remained in the retentate juice. According to Pruksasri et al [ 22 ], a degree of sugar reduction of about 30–40% could be an appropriate target. Therefore, a single diananofiltration process accomplished with an appropriate membrane and proper selected operating conditions may be applicable to remove a sufficient amount of sugar and efficiently recover phenolic compounds without losing their activity.…”

Section: Resultsmentioning

confidence: 99%

“…In particular, the use of nanofiltration (NF) membranes has been largely investigated for the fractionation and concentration of flavonoids, anthocyanins, carotenoids, sugars, and phenolic compounds from fruit and vegetable matrices including graviola ( Annona muricata L.) [ 12 ], jussara ( Euterpe edulis ) [ 13 ], wine lees [ 14 ], grape pomace [ 15 ], propolis [ 16 ], and roselle ( Hibiscus sabdariffa L.) [ 17 ] extracts, as well as elderberry ( Sambucus nigra L.) [ 18 ], pomegranate [ 19 ], bergamot [ 20 ], and apple [ 21 ] juices. Nevertheless, the metabolic composition of apple juice is quite complex and the molecular masses of valuable compounds are close to those of sugars (mono and disaccharides), which results in a membrane insufficient selectivity [ 22 ]. In order to increase the level of separation and to achieve a high purity of biomolecules, NF can be operated in diafiltration (DF) mode [ 23 ].…”

Section: Introductionmentioning

confidence: 99%

“…Ceramic tubular UF membranes, with an MWCO of 15 kDa, have recently been investigated to produce a concentrate fraction from apple−cranberry cloudy juice with the simultaneous removal of some amount of sugars [ 34 ]. Pruksasri et al [ 22 ] proposed a combination of mechanical pre-fractionation and NF for the reduction of sugar in cloudy apple juice. In the first step, a fruit flesh juice (stream A) with a low content of polyphenols is produced after peeling and coring a certain amount of apple (45% of raw material).…”

Section: Introductionmentioning

confidence: 99%

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Partial Removal of Sugar from Apple Juice by Nanofiltration and Discontinuous Diafiltration

Gaglianò

Conidi

et al. 2022

Membranes

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Partial removal of sugars in fruit juices without compromising their biofunctional properties represents a significant technological challenge. The current study was aimed at evaluating the separation of sugars from phenolic compounds in apple juice by using three different spiral-wound nanofiltration (NF) membranes with a molecular weight cut-off (MWCO) in the range of 200–500 Da. A combination of diafiltration and batch concentration processes was investigated to produce apple juice with reduced sugar content and improved health properties thanks to the preservation and concentration of phenolic compounds. For all selected membranes, permeate flux and recovery rate of glucose, fructose, and phenolic compounds, in both diafiltration and concentration processes, were evaluated. The concentration factor of target compounds as a function of the volume reduction factor (VRF) as well as the amount of adsorbed compound on the membrane surface from mass balance analysis were also evaluated. Among the investigated membranes a thin-film composite membrane with an MWCO of 200–300 Da provided the best results in terms of the preservation of phenolic compounds in the selected operating conditions. More than 70% of phenolic compounds were recovered in the retentate stream while the content of sugars was reduced by about 60%.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Partial Removal of Sugar from Apple Juice by Nanofiltration and Discontinuous Diafiltration

Gaglianò

Conidi

et al. 2022

Membranes

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“…Apple and Pear higher concentration [16] Apple and Grape melanoidins separation [12] Pear enhance stability and shelf life [11] Amla improve color, clarity and valuable component. [17] Grape procyanidin separation [13] Strawberry efficient concentration with maintenance of phenolic compounds [10] Apple juice with 30% less sugar [18]…”

Section: Juice Type Action Referencesmentioning

confidence: 99%

Juice nanotechnology: A mini review

Ammar

Bazaraa

2022

Food systems

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In the past two decades, nano-science is widely used in different applications and the increased interest in the utilization of nanoparticles in food processing is clear. Such applications include processing, packaging, development of functional food, safety, foodborne pathogens detection, and shelf-life extension. In this article, the essential facts and the latest uses of nano-science in fruit and vegetable juices were described. The green synthesis of nanoparticles with antioxidant, antibacterial and antifungal characteristics is of great interest in food preservation. These nanoparticles such as metals, oxidized metals and its bioactivity in juice were reviewed. The current procedures to prepare nanojuice including nanofiltration and the most recent nanomilling were presented. Beside the preparation, special emphasis has also been given to the chemical as well as the biological (microbial and enzymatic) quality of the produced nanojuice. The role of nanotechnology in the development of the smart and the active food packaging systems for the improvement of food shelf- life and quality was also discussed. Since the physical and chemical characteristics of nanoparticles are completely different from those of macro-size. Therefore, special and urgent attention by responsible authorities should be given and effective policies should be applied for food products to ensure product quality, customer health and safety as well as the environmental protection.

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“…Nanofiltration has a lot of applications in industry [10]. Among membrane technologies, nanofiltration is the best opportunity to solve environmental problems, such as: desalination recently shown by [11], wastewater and ground water treatment [12,13], and heavy metals elimination [14].…”

Section: Introductionmentioning

confidence: 99%

Treatment of Wastewater by Nanofiltration

Didi¹

2021

Promising Techniques for Wastewater Treatment and Water Quality Assessment

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In recent years, some countries have implemented regulations governing aqueous discharges. With a view to sustainable development, manufacturers are looking for wastewater treatment technologies to control their discharges. Nanofiltration seems particularly suitable for the separation characteristics that it allows with regard to the size of the target molecules. Pollution by rare earths and heavy metals affects groundwater and surface water. This changed the quality of the water and made it unsafe to use. Water pollution is a big problem, given the diversity of sources and characteristics of polluting species, the main ones being industrial, urban and agricultural discharges, generated by human activity. The great difficulty being that heavy metals are not biodegradable and tend to accumulate in living organisms (fish, mollusks, vegetables, etc.) consumed by humans. For these concerns, environmental laws have become more severe. For this, the treatment of aqueous effluents has become important. It can be concluded that separation and purification chemistry is an area of topical research. The discharges coming from the industry contain heavy metals (chromium, copper, zinc, nickel, iron, cobalt, cadmium, lead, …) which are harmful for the human health, the fauna and flora. It is necessary to be well controlled. This chapter presents a study of nanofiltration for industrial wastewater treatment.

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Nanofiltration as a potential process for the reduction of sugar in apple juices on an industrial scale

Cited by 16 publications

References 20 publications

Partial Removal of Sugar from Apple Juice by Nanofiltration and Discontinuous Diafiltration

Partial Removal of Sugar from Apple Juice by Nanofiltration and Discontinuous Diafiltration

Juice nanotechnology: A mini review

Treatment of Wastewater by Nanofiltration

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