Enhanced calcium absorption in the small intestine by a phytate-removed deamidated soybean globulin preparation

Soybean globulins were deamidated after removing phytate using ion-exchange resins, and then hydrolyzed by digestive enzymes. The phytate-removed deamidated soybean globulins (PrDS) retained high calcium-binding ability even after the hydrolysis by digestive enzymes. PrDS and its hydrolysates enhanc...

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Veröffentlicht in:	Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 2004-07, Vol.68 (7), p.1598-1600
Hauptverfasser:	Kumagai, H. (Nihon Univ., Tokyo (Japan)), Koizumi, A, Suda, A, Sato, N, Sakurai, H, Kumagai, H
Format:	Artikel
Sprache:	eng
Schlagworte:	ABSORPTION Animals Biological and medical sciences CALCIUM Calcium - metabolism calcium absorption Chymotrypsin - metabolism deamidation DEAMINATION Fundamental and applied biological sciences. Psychology Gastrointestinal Agents - metabolism GLOBULINS Globulins - metabolism HYDROLYZED PROTEINS Ileum - metabolism In Vitro Techniques Intestinal Absorption INTESTINES ion-exchange resin Male Pepsin A - metabolism phytate removal PHYTATES Phytic Acid - metabolism PROTEASES RATS Rats, Wistar soybean globulin Soybean Proteins - metabolism SOYBEANS Trypsin - metabolism
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Zusammenfassung:	Soybean globulins were deamidated after removing phytate using ion-exchange resins, and then hydrolyzed by digestive enzymes. The phytate-removed deamidated soybean globulins (PrDS) retained high calcium-binding ability even after the hydrolysis by digestive enzymes. PrDS and its hydrolysates enhanced calcium absorption from the small intestine when injected into the small intestine together with a calcium solution.
ISSN:	0916-8451 1347-6947
DOI:	10.1271/bbb.68.1598