Influence of Nano-Spray Dried Sodium Chloride on the Physicochemical Characteristics of Surface-Salted Cheese Crackers

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DOI: 10.4236/fns.2017.82017    547 Downloads   651 Views  

ABSTRACT

Particle size reduction of salt to submicron range increases its surface area resulting in increased saltiness perception. The objective was to evaluate the incorporation of nano-spray dried sodium chloride on the physicochemical characteristics of surface-salted cheese crackers. The sodium chloride solution (3% w/w) was sprayed through a 4-μm nozzle with 125 L/min air flow, 38 kPa pressure, 95°C head temperature, and 90% spray to form the smallest submicrosalt particles. The cheese cracker treatments consisted of 3 different salt sizes (regular, microsalt and nano-spray dried salt) and 3 different concentrations (2%, 1.5% and 1%). The 9 (3 sizes × 3 concentrations) cheese cracker treatments were tested for salt concentration and sodium content at week 1. Water activity (aw), texture-fracturability, and color were determined at week 1 and 4 months of storage. The aw) and the L*, b*, C* and h* values in all treatments increased from 1 week to 4 months. The use of nano-spray dried salt on surface-salted cheese crackers allowed for a reduction of 25% - 50% of salt content without affecting the physicochemical attributes.

Cite this paper

Moncada, M. , Astete, C. , Sabliov, C. , Olson, D. , Boeneke, C. and Aryana, K. (2017) Influence of Nano-Spray Dried Sodium Chloride on the Physicochemical Characteristics of Surface-Salted Cheese Crackers. Food and Nutrition Sciences, 8, 267-276. doi: 10.4236/fns.2017.82017.

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