Sugarcane molasses spray drying by dehumidified air as the method to enhance powder recovery and physical properties of powders

Author:

Jedlińska Aleksandra1ORCID,Edris Amr2ORCID,Samborska Katarzyna1ORCID

Affiliation:

1. Department of Food Engineering and Process Management, Institute of Food Sciences Warsaw University of Life Sciences—SGGW Warsaw Poland

2. Department of Flavor and Aroma Chemistry National Research Center Cairo Egypt

Abstract

AbstractThe aim of the study was to compare sugarcane molasses powders obtained by conventional high temperature spray drying (inlet/outlet air temperature: 180°C/80°C) and low temperature dehumidified air‐assisted spray drying (80°C/50°C) in terms of drying yield and physical properties. The addition of NUTRIOSE as a carrier was from 0% to 40% (w/w, solids). It was possible to obtain 100% high quality powders without the use of a drying carrier with high process efficiency (up to 93%—with using dehumidified air) by using both methods. Low temperature spray drying positively translated into increased drying yield, lower hygroscopicity and improved flowability of powders. Moreover, the powders obtained by low temperature method were brighter with small, less diversified particle sizes of spherical shapes.Practical ApplicationsMolasses is a by‐product of sugar production. Molasses have diverse applications as cheap food‐grade sweeteners as well as an economically feasible intermediate materials for production of some innovative food additives. Transforming sugarcane molasses from viscous, inconvenient liquid into free‐flowing powder, seems to be important by taking in consideration handling, transportation and the final application. Free‐carrier molasses powders fit well with the sustainability and clean label trends. Low‐temperature spray drying with dehumidified air is an innovation which allows to obtain higher quality powders.

Publisher

Wiley

Subject

General Chemical Engineering,Food Science

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