Preparation method and application of sinonovacula constricta enzymolysis polypeptide
A technology of enzymatic hydrolysis and razor clam, which is applied in the field of preparation of enzymatic hydrolyzed polypeptides of razor clam, achieving the effects of high sensitivity, good stability, and few side effects
Inactive Publication Date: 2014-05-21
ZHEJIANG OCEAN UNIV
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The invention discloses a preparation method and application of a sinonovacula constricta enzymolysis polypeptide. The method is characterized by comprising the following steps: shelling sinonovacula constricta, washing, mincing, adding water in the material-liquid mass ratio of 1:(3-5) for homogenizing, and adjusting the pH value to 5.5-6.5; adding protease for performing enzymolysis at the temperature of 60-70 DEG C for 1.5-2.5 hours, wherein the adding amount of the protease is 0.2-0.3 percent based on the total mass of sinonovacula constricta; after enzymolysis, performing enzyme deactivation, and centrifuging to obtain supernatant serving as enzymatic hydrolysate; performing ultrafiltration, G-25 gel chromatography and reversed phase high-performance liquid chromatography elution on the enzymatic hydrolysate to obtain the needed sinonovacula constricta enzymolysis polypeptide. A preparation process is simple, the obtained sinonovacula constricta enzymolysis polypeptide is high in sensitivity and stability and small in side effects, plays a remarkable role in inhibiting the proliferation of DU-145 and PC-3 cells through MTT detection, and can be applied to in-vitro resistance of prostatic cancer. The preparation method plays an important role in further researching and developing functional foods and medicaments based on the sinonovacula constricta enzymolysis polypeptide and increasing the economical value of the sinonovacula constricta.
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Property | Measurement | Unit |
Molecular weight | 66149.0 | |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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