NEW PRODUCT RESEARCH & DEVELOPMENT 9
Novel process separates whey
proteins into high-value ingredients
new concept in refining whey an inert, high density core made of an inorganic
Natalya Clark discusses
a novel way for
A
enables the dairy processor to material, while the polymer phase surrounding
fractionate whey proteins into the inorganic particles is made from cross-linked
the separation of
specialised high value added agarose.
α-lactalbumin and
ingredients. With this new process, α-lactalbumin The system provides the producer with a self-
ß-lactoglobulin in whey.
and ß-lactoglobulin in whey can be separated to contained system ready to operate on any type of
achieve the two high purity products. whey without prior pre-treatment.
Natalya Clark présente
The benefits of this are: Using the Rhobust EBA One Step process,
une nouvelle manière de
p
the crude whey can be treated directly in the
Isolation of proteins directly from unclarified
séparer la α-lactalbumine chromatographic column, thus avoiding the
crude whey.
et la ß-lactoglobuline dans
p
traditional clarification and pre-treatment steps,
le lactosérum.
High capacity combined with high flow rate.
p
which represents a significant improvement.
Fractionation of whey proteins to specialised
The impurities in the whey pass unhindered
products.
p
through the chromatography column together
Natalya Clark diskutiert High purity and high value products.
with lactose, minerals, fat globules and the
eine neuartige Möglichkeit
der Trennung von
The separation of α-Lg and ß-La to produce various low molecular weight substances. The
☞
α-Lactalbumin und
α-Lg depleted ß-La product is
ß-Lactoglobulin in Molke.
challenging when using membrane
filtration as the molecular size
of the two proteins is similar;
18 300 and 14 000, respectively.
Existing separation technologies
for these two proteins have been
insufficient, cost-inefficient,
complex and not eco-friendly.
But this can now be achieved
by using Upfront’s Rhobust Whey
Refinery.
EBA technology
The company has developed this
process based on the expanded
bed adsorption (EBA) technology,
which enables the dairy processor
to extract and process proteins
from industrial solutions like whey
to high value added ingredients.
The key components of
Rhobust Whey Refinery are the
Rhobust Flex chromatography
system and the Fastline adsorbent
media for high performance
processing.
The adsorbent media must
feature a higher density than the
feed stream in order to obtain
an acceptable flow rate during
operation, keeping the resin
in a stable fluidised state in the
column. Fig. 1. EBA eliminates pre-treatment of the whey and ensures
The density is controlled using high capacity and fast flow rate.
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