With respect to product properties, such as wash
stability, shelf stability, cooking behavior, visual appearance,
and cooked rice texture, both warm and
hot extrusion can be recommended. Dusting is not
a suitable technology where wash-stable fortified
rice is required; and coating technologies require
wash-stable coatings. Hot extrusion allows a broad
adaptation of kernel properties and most closely
resembles natural rice after cooking, while visual
appearance of warm-extruded kernels is ideal before
cooking.24 Both processes lead to perfectly acceptable
product properties in a 1:200 to 1:50 dilution
with natural rice. From the processing side,
the decision could thus be made on the basis of the
type of other products manufactured in the same
factory (i.e., pasta-type equipment is favorable for
a pasta producer and extrusion equipment for a
breakfast cereal or snack producer). To compare the
bioavailability of added nutrients in the rice matrix,
an in-depth study of warm- and hot-extruded
With respect to product properties, such as washstability, shelf stability, cooking behavior, visual appearance,and cooked rice texture, both warm andhot extrusion can be recommended. Dusting is nota suitable technology where wash-stable fortifiedrice is required; and coating technologies requirewash-stable coatings. Hot extrusion allows a broadadaptation of kernel properties and most closelyresembles natural rice after cooking, while visualappearance of warm-extruded kernels is ideal beforecooking.24 Both processes lead to perfectly acceptableproduct properties in a 1:200 to 1:50 dilutionwith natural rice. From the processing side,the decision could thus be made on the basis of thetype of other products manufactured in the samefactory (i.e., pasta-type equipment is favorable fora pasta producer and extrusion equipment for abreakfast cereal or snack producer). To compare thebioavailability of added nutrients in the rice matrix,an in-depth study of warm- and hot-extruded
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