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Optimization of grape juice deacidification using mixture of adsorbents: A case study of Pekmez by Rezaei, Mohammad; Alizadeh Khaledabad, Mohammad; Moghaddas Kia, Ehsan; Ghasempour, Zahra is a Agricultural and Biological Sciences article available to read on EtoBox.
What is Optimization of grape juice deacidification using mixture of adsorbents: A case study of Pekmez about?
## Abstract Grape syrup (Pekmez or Dooshab) is one of the nutritious products developed through grape processing. One of the main challenges in the industrial manufacture of this product is the utilization of traditional __pekmez__ earth for tartaric acid adsorption. The objectives of this study were to investigate the effect of calcium carbonate, nano‐silica, alumina, and activated carbon as adsorbents and also contact time in grape juice deacidification, and to determine the effects of these adsorbents on the physicochemical properties of grape juice by using the Box–Behnken statistical design. By applying different amounts of these adsorbents in grape juice, the magnitude of acidity decrement and the physicochemical properties such as acidity, pH, transmittance, the amount of reducing sugars, formalin index, and adsorption efficiency were investigated. Data analysis showed that different mixtures of adsorbents at different concentrations had significant effects on acidity and pH of the samples but no effects on the level of reducing sugars and formalin index were observed (__p__ > .05). According to the results, the adsorption capacity with the highest calcium carbonate content
Who reads Optimization of grape juice deacidification using mixture of adsorbents: A case study of Pekmez?
It is typically read by researchers, students, and practitioners in Agricultural and Biological Sciences.
- Author
- Rezaei, Mohammad; Alizadeh Khaledabad, Mohammad; Moghaddas Kia, Ehsan; Ghasempour, Zahra
- Publisher
- Wiley (John Wiley & Sons); John Wiley and Sons Ltd; Wiley (ISSN 2048-7177)
- Published
- 2020
- Language
- EN
- Field
- Agricultural and Biological Sciences (Life Sciences)