Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Enzymatic production of a protein or polypeptide
Reexamination Certificate
2007-11-20
2007-11-20
Lankford, Jr., Leon B. (Department: 1651)
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Enzymatic production of a protein or polypeptide
C435S106000, C435S221000, C435S225000, C424S523000
Reexamination Certificate
active
10733627
ABSTRACT:
From fish egg skin produced by utilization of roe grains of various fish, constituent proteins thereof are enzymatically degraded to obtain peptides and amino acids, of which effective utilization is achieved. The invention provides a method for producing amino acids and peptides (useful as nutrient enhancers for foods) from fish egg skins which comprises treating cold water-washed fish egg skins with ozonized water at room temperature or below, subsequently, degrading the resultant product with a proteolytic enzyme produced byBacillus subtilis, or further treating with a proteolytic enzyme produced byAspergillus oryzae, to degrade myogenic fiber proteins (contractile proteins: myosins) in the fish egg skin, and then concentrating/drying the degraded solution.
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JP 03015368 English language abstract obtained from Derwent on May 30, 2006 from WEST.
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E. Seki et al., “Separation and Purification of Angiotensin I Converting Enzyme Inhibitory Peptides from Heated Sardine Meat by Treatment with Akaline Protease”, Nippon Shokuhin Kogyo Gakkaishi, vol. 40, No. 11, pp. 783-791, 1993.
Fuji Bio Technology Institute Co., Ltd.
Hanley Susan
Lankford , Jr. Leon B.
Wenderoth , Lind & Ponack, L.L.P.
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