A Hydrocolloid Is Defined as a Colloid System Wherein the Colloid Particles Are Dispersed In Water
Hydrocolloids are crucial
components that regulate the final bakery products' quality attributes. In
gluten-free (GF) recipes, hydrocolloids are frequently used to mimic some of
the rheological characteristics of gluten, enhance dough properties, delay
retrogradation of starch, and enhance bread texture, appearance, and stability.
The addition of hydrocolloids increases the viscosity and air incorporation of
the GF dough/batter. In addition to improving the technological aspects of GF
bread, the addition of hydrocolloids may affect the final product's glycemic
index (GI), satisfying consumer demand for low-GI goods. This review discusses
the use of hydrocolloids in GF bread and pasta with an emphasis on their impact
on the rheology of the dough, the hardness of the bread, the specific volume,
the staling, and the GI.
The Global
Hydrocolloids Market Size was valued
at USD 9,733.69 million in 2021 and is anticipated to witness a compound
annual growth rate (CAGR) of 6.08%
from 2022 to 2030.
A class of polysaccharides that
are water soluble and have different chemical structures, high molecular
weights, and hydrophilic long-chain molecules are known as hydrocolloids.
Because they enhance the final products' structure, volume, texture, taste, and
overall quality and extend their shelf life, hydrocolloids have a positive
effect on gluten-free (GF) cereal-based products. Because most hydrocolloids
lose viscosity as temperature rises, the use of hydrocolloids in GF
applications depends on their colloidal properties, the capacity to increase
water binding, viscosity, hydration rate, and the effect of temperature on
hydration. Additionally, hydrocolloids enhance the production and preservation
of gases during fermentation.
According to their place of
origin, hydrocolloids are categorised. Several different hydrocolloids, such as
hydroxypropyl methylcellulose (HPMC), xanthan gum (XG), guar gum (GG), locust
bean gum (LBG), psyllium, carrageenan, pectin, carboxymethyl cellulose (CMC),
konjac gum, gelatine, agarose, agar, -glucan, gum arabic (GA), and alginate,
were used in GF products.
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