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Soluble squid inkiness pigment

A squid ink and melanin technology is applied in the field of soluble squid ink melanin, which can solve the problems of high-value utilization of squid ink, lack of biological activity, huge cost, etc., and achieves the effect of being beneficial to digestion and absorption.

Inactive Publication Date: 2015-04-29
DALIAN CITY SHAHEKOU DISTRICT SMALL MEDIUM & MICRO ENTERPRISES SERVICE CENT
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] One of the squid processing varieties, the annual processing volume is between hundreds of thousands of tons. During the processing, squid ink is often discarded as waste, causing environmental pollution and waste of resources. Some countries even spend huge sums of money to deal with these processing waste , causing huge economic losses, and the high-value utilization of squid ink has not yet attracted attention. Studies have shown that the main chemical components of squid ink are melanin and proteoglycan complexes, which have anti-tumor, regulate the body's immune function, promote the body's hematopoiesis, promote blood coagulation, and antibacterial and anti-virus and other physiological activities, while the research on squid ink melanin mostly focuses on its structure and physical and chemical properties, but lacks research on its biological activities

Method used

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Embodiment 1

[0012] Soluble squid ink melanin is prepared by the following process. Fresh squid ink sacs are thawed at 0-4°C, enzymatically hydrolyzed by protease, heated at 95°C to inactivate the enzyme for 10 minutes, and the mixture is centrifuged at 7000r / min for 10 minutes. The precipitated part is taken and added 2 to 3 times Volume water, mixed and stirred, then centrifuged, take the precipitate and add 2 to 3 times of water, repeat the above operation until the color of the supernatant after centrifugation is basically no black, take the black precipitate, and vacuum freeze-dry to obtain squid ink melanin powder. The preparation of the process includes pretreatment. The pretreatment is to extrude the skin film and the internal mesh film to obtain the ink, and soak it with an equal volume of water at 0-4°C overnight, 10000r·min -1 Centrifuge for 20 minutes, discard the supernatant, add a small amount of water to the precipitated part, and add 20 times the volume of water, and then 10...

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Abstract

The invention discloses a soluble squid inkiness pigment. The soluble squid inkiness pigment is prepared by using the following processes: unfreezing a fresh squid ink sac at the temperature of 0-4 DEG C, performing protein enzyme method enzymolysis, performing heating enzyme deactivation for 10min at the temperature of 95 DEG C, centrifuging a mixture for 10min at the speed of 7,000r / min, extracting a sediment part, adding 2 to 3 times of water in volume, mixing, stirring and centrifuging the mixture, extracting a sediment, and then adding 2 to 3 times of water; repeatedly executing the operation until the color of a centrifuged liquid supernatant is not black fundamentally, extracting a black sediment, and performing vacuum freeze drying to obtain squid inkiness pigment powder. The prepared soluble squid inkiness pigment is rich in beneficial metal element Fe, is applied as a food additive, and more facilitates eating and digestion of a human body.

Description

technical field [0001] The invention relates to the technical field of biological extraction, in particular to soluble squid ink melanin. Background technique [0002] Natural melanin widely exists in animals and plants, has defense and protection functions, and participates in many physiological and pathological activities. Studies have found that black-bone chicken melanin can prolong the lifespan of fruit flies, and has the functions of scavenging free radicals, anti-oxidation, and anti-mutagenesis. Studies have shown that the melanin produced by engineering bacteria can prevent single linear nucleotide double-strand breaks caused by ultraviolet radiation. Melanin can also cross-link with proteins and play a role in strengthening the structure, protecting proteins from degradation. Many metal ions are chelated and closely related to many nervous system diseases. Therefore, many black foods such as black sesame, black beans and squid ink have become a hot spot in health f...

Claims

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Application Information

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IPC IPC(8): A23L1/333A23L1/03A23L17/50A23L29/00
CPCA23L17/50A23L33/16
Inventor 秦宏佳
Owner DALIAN CITY SHAHEKOU DISTRICT SMALL MEDIUM & MICRO ENTERPRISES SERVICE CENT
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