Degradation of a Bitter Peptide Derived from Casein by Lactic Acid Bacterial Peptidase
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概要
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In the present study, degradation of a bitter peptide derived from β-casein by lactic acid bacterial peptidase was examined. Nine species of lactococci (L. lactis ssp. lactis 303, L. lactis ssp. lactis 527, L. lactis ssp. lactis IAM 1198, L. lactis ssp. cremoris SK11, L. lactis ssp. cremoris AM2, L. lactis ssp. cremoris HP, L. lactis ssp. cremoris 317, L. lactis ssp. cremoris H61 and L. lactis ssp. cremoris IAM1150), which are extensively used as starter cultures for cheese manufacturing, were examined. The heptapeptide Gly-Pro-Phe-Pro-Ile-Ile-Val, derived from β-casein, was used as the bitter peptide. All the cell-free extracts prepared from lactic acid bacteria (LAB) could degrade the bitter peptide, but the degree of degradative activity varied depending on the type of LAB. In particular, L. lactis ssp. lactis 527 showed a higher level of degradative activity than L. lactis ssp. cremoris SK11 and L. lactis ssp. cremoris AM2; all have been reported as debittering LAB. From these results, it was concluded that L. lactis ssp. lactis 527 may be used for debittering dairy products including cheese.
- 社団法人 日本食品科学工学会の論文
- 2009-03-01
著者
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Iwasaki Atsushi
Department Of Food Science And Technology Faculty Of Applied Life Science Nippon Veterinary And Life
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Shimamura Tomoko
Department Of Bioresources Science Faculty Of Agriculture Kochi University
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Shimamura Tomoko
Department Of Food Science And Technology Faculty Of Applied Life Science Nippon Veterinary And Life
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Odake Sachiko
Department Of Food Science And Technology Faculty Of Applied Life Science Nippon Veterinary And Life
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Odake Sachiko
Department Of Food & Nutrition Faculty Of Home Economics Ochanomizu University
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NISHIMURA Taichi
Department of Orthopaedic Surgery, Nihon University School of Medicine
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AKUZAWA Ryozo
Department of Food Science and Technology, Faculty of Applied Life Science, Nippon Veterinary and Li
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Nishimura Taichi
Department Of Food Science And Technology Faculty Of Applied Life Science Nippon Veterinary And Life
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Iwasaki Atsushi
Department Of Cardiovascular Medicine Kyoto University Graduate School Of Medicine
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Akuzawa Ryozo
Department Of Food Science And Technology Faculty Of Applied Life Science Nippon Veterinary And Life
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AKUZAWA Ryozo
Department of Animal Products Science and Technology, Nippon Veterinary and Zootechnical College
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