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Pulverization Using Liquid Nitrogen Significantly Improves Physical Properties of Powder and Extraction Yield of Polysaccharides of Astragalus mongholicus
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Abstract
Astragalus mongholicus
is a famous traditional Chinese medicinal herb because of its human health benefits and bioactive compounds. Pulverization process directly affects quality and dissolution of bioactive compounds of
A
.
mongholicus
. In the present study, liquid nitrogen was introduced to pulverization process of
A
.
mongholicus
. The pulverization with addition of liquid nitrogen (LNP) effectively retained powder color, crushed tissue fiber, and reduced hardness of
A
.
mongholicus
. Furthermore, LNP significantly improved elasticity and solubility of the powder, as well as soluble solid contents. In addition, extraction yield of polysaccharides, characteristic bioactive compounds in
A
.
mongholicus
, was increased by 10.5 % by combination of LNP and Tween-80 enzyme extraction. These results suggest that LNP can be a promising technology for preparation of
A
.
mongholicus
powder. The information will also contribute to improvement of manufacturing technology of Chinese medicinal herb.
Walter de Gruyter GmbH
Title: Pulverization Using Liquid Nitrogen Significantly Improves Physical Properties of Powder and Extraction Yield of Polysaccharides of
Astragalus mongholicus
Description:
Abstract
Astragalus mongholicus
is a famous traditional Chinese medicinal herb because of its human health benefits and bioactive compounds.
Pulverization process directly affects quality and dissolution of bioactive compounds of
A
.
mongholicus
.
In the present study, liquid nitrogen was introduced to pulverization process of
A
.
mongholicus
.
The pulverization with addition of liquid nitrogen (LNP) effectively retained powder color, crushed tissue fiber, and reduced hardness of
A
.
mongholicus
.
Furthermore, LNP significantly improved elasticity and solubility of the powder, as well as soluble solid contents.
In addition, extraction yield of polysaccharides, characteristic bioactive compounds in
A
.
mongholicus
, was increased by 10.
5 % by combination of LNP and Tween-80 enzyme extraction.
These results suggest that LNP can be a promising technology for preparation of
A
.
mongholicus
powder.
The information will also contribute to improvement of manufacturing technology of Chinese medicinal herb.
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