Concentration of Cornelian cherry fruit juice by membrane osmotic distillation

K. Bélafi-Bakó, András Boór

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The application of membrane technologies for food and beverage processing has considerably increased recently. Emerging technologies are in the status of breakthrough. To avoid degradation of certain natural antioxidant components, loss of amino acids and discoloration in the final product, an alternative membrane procedure - reverse osmosis (RO) - succeeded against the traditional multi-stage vacuum evaporation. Due to the development and improvements, a higher feed concentration can be reached by membrane distillation (MD) and osmotic evaporation (OE). These methods are developed for concentrated fruit juice production to improve quality and reduce energy consumption. This research introduces a coupled operation of MD and OE (membrane osmotic distillation, MOD) for an effective, but still mild concentration of valuable fruit juices. Fruit juice from Cornelian cherry (Cc) was investigated, with special regard to the preservation of valuable compounds. To make sure that the process is able to preserve the fruit's high dietary value, antioxidant activity of the juice produced was determined and compared in each consecutive operational step. Cornelian fruits are good sources of natural antioxidants, containing many different radical scavenger components that provide protection against harmful-free radicals and, therefore, associate with lower incidence and mortality rates of cancer and heart diseases in addition to a number of other health benefits.

Original languageEnglish
Pages (from-to)271-274
Number of pages4
JournalDesalination and Water Treatment
Volume35
Issue number1-3
DOIs
Publication statusPublished - 2011

Fingerprint

Fruit juices
distillation
Distillation
fruit
Antioxidants
membrane
Membranes
antioxidant
Fruits
evaporation
Evaporation
Discoloration
Membrane technology
Vacuum evaporation
Beverages
Reverse osmosis
Free radicals
fruit production
cardiovascular disease
Amino acids

Keywords

  • Antioxidant capacity
  • Coupled membrane process

ASJC Scopus subject areas

  • Pollution
  • Water Science and Technology
  • Ocean Engineering

Cite this

Concentration of Cornelian cherry fruit juice by membrane osmotic distillation. / Bélafi-Bakó, K.; Boór, András.

In: Desalination and Water Treatment, Vol. 35, No. 1-3, 2011, p. 271-274.

Research output: Contribution to journalArticle

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