CN-122022852-A - Quick-frozen abalone safety management method and system based on traceability identification

CN122022852ACN 122022852 ACN122022852 ACN 122022852ACN-122022852-A

Abstract

The invention discloses a quick-frozen abalone safety management method and system based on traceability identification, and relates to the technical field of food traceability and safety control, wherein the method comprises the steps of obtaining individual traceability identification of quick-frozen abalones, analyzing to extract initial cultivation sea area codes, cultivation period time stamps and fishing batch numbers; according to the initial cultivation sea area code, the water quality parameter and the harmful substance background value of the corresponding sea area in the cultivation period are searched, the cultivation period time stamp is associated with the fishing batch number, the corresponding temporary cultivation purification log, the processing production line identification and the quick-freezing process parameter set are called from the production record chain, the safety state assessment model of the individual quick-frozen abalone is built based on the data, the comprehensive safety score of the individual is generated by utilizing the model, and the safety management conclusion containing the circulation allowing, circulation limiting or circulation prohibiting instructions is output according to the comparison of the score and the preset threshold value. The invention realizes the full-chain individual safety dynamic assessment of the quick-frozen abalone from cultivation to processing.

Inventors

LIN GUOGANG
ZHANG SHUYUN
Huang Zongchun
HU CHUAN
WU ZHONGHUA
Nie Yuchen

Assignees

福建海文铭海洋科技发展有限公司

Dates

Publication Date: 20260512
Application Date: 20260410

Claims (10)

1. The quick-frozen abalone safety management method based on traceability identification is characterized by comprising the following steps of: The method comprises the steps of obtaining individual traceability marks of quick-frozen abalones, and analyzing the individual traceability marks to extract initial cultivation sea area codes, cultivation period time stamps and fishing batch numbers; according to the initial cultivation sea area code, calling a sea area environment historical database, and searching a water quality parameter monitoring record and a harmful substance enrichment background value of the corresponding sea area in the cultivation period time stamp; associating the culture period time stamp with the fishing batch number, and calling a corresponding temporary culture purification log, a processing production line identifier and a quick-freezing process parameter set from a production history chain; Constructing a safety state evaluation model of individual quick-frozen abalones based on the water quality parameter monitoring record, the harmful substance enrichment background value, the temporary culture purification log, the processing line identification and the quick-freezing process parameter set; and generating comprehensive safety scores of individual quick-frozen abalones by using the safety state evaluation model, and outputting a safety management conclusion containing instructions for allowing circulation, limiting circulation or prohibiting circulation according to a comparison result of the comprehensive safety scores and a preset threshold.
2. The method for managing the safety of the quick-frozen abalone based on the traceability recognition according to claim 1, wherein the step of obtaining the individual traceability identification of the quick-frozen abalone and analyzing the individual traceability identification to extract the initial cultivation sea area code, the cultivation period time stamp and the fishing batch number comprises the following steps: Scanning a two-dimensional code or a radio frequency identification tag attached to the quick-frozen abalone package or an individual through image recognition equipment, and reading the stored encryption traceability character string; The encrypted tracing character string is sent to a trusted tracing verification server for decryption and verification, and structured individual tracing information is obtained; extracting the initial cultivation sea area code for identifying the abalone source farm from the structured individual traceability information; Extracting and recording the time stamp of the cultivation period of the whole time span from the throwing of the offspring seeds to the fishing of adult abalones from the structured individual traceability information; and extracting the fishing batch number for identifying the same fishing work result from the structured individual traceability information.
3. The quick-frozen abalone safety management method based on traceability recognition according to claim 2, wherein the step of calling a sea area environment history database according to the initial cultivation sea area code to retrieve a water quality parameter monitoring record and a harmful substance enrichment background value of a corresponding sea area during the cultivation period time stamp comprises the following steps: Taking the initial cultivation sea area code as an index, and carrying out positioning query in the sea area environment history database to obtain boundary geographic coordinates and monitoring station distribution information of the cultivation sea area corresponding to the initial cultivation sea area code; Determining a query time range according to the culture period time stamp, and calling periodic water quality parameter monitoring records recorded in the time range from all monitoring stations corresponding to the monitoring station distribution information, wherein the water quality parameter monitoring records comprise dissolved oxygen content, pH value, temperature, salinity and heavy metal ion concentration; And calculating the complete growth period of the abalone in the cultured sea area based on the culture period time stamp, and extracting the historical enrichment average level of typical harmful substances in the sediment and the water body of the corresponding sea area of the initial cultured sea area code as the harmful substance enrichment background value in the complete growth period from the sea area environment historical database.
4. The quick-frozen abalone safety management method based on traceability recognition according to claim 3, wherein the associating the cultivation period time stamp with the fishing batch number, the retrieving the corresponding temporary cultivation purification log, the processing line identifier and the quick-frozen process parameter set from the production history chain includes: Inquiring and obtaining the fishing time of abalones in corresponding batches, landing wharfs and received temporary rearing and purifying factory codes in a fishing management database based on the fishing batch numbers; According to the capturing time and the temporary rearing and purifying factory code, the temporary rearing and purifying log of abalones in the temporary rearing pond in corresponding batches is called from a corresponding purifying factory management system, and the temporary rearing and purifying log comprises a water quality replacement record, a circulating and purifying time and excrement detection data; tracking to a subsequent processing link according to the pool outlet time and batch number recorded in the temporary culture purification log, and acquiring the processing line identification for executing the corresponding batch of abalone shelling, cleaning and sorting procedures; And retrieving the specific quick-freezing process parameter set adopted by the corresponding batch of abalones in the quick-freezing link from a processing control system through the processing production line mark, wherein the quick-freezing process parameter set comprises quick-freezing initial temperature, cooling rate, time for the central temperature to reach a preset value and quick-freezing storage temperature.
5. The quick-frozen abalone safety management method based on traceability recognition according to claim 4, wherein the constructing a safety state evaluation model of individual quick-frozen abalones based on the water quality parameter monitoring record, the harmful substance enrichment background value, the temporary culture purification log, the processing line identification and the quick-frozen process parameter set comprises the following steps: Performing compliance analysis on the water quality parameter monitoring record, and calculating the frequency and amplitude of the water quality parameter exceeding the safety standard range during the cultivation period to generate a cultivation environment risk factor; estimating the theoretical harmful substance residue contained in individual abalones during fishing by combining the harmful substance enrichment background value and the biological enrichment coefficient of abalone species; Analyzing the temporary culture purification log, evaluating the reduction efficiency of the purification process on the theoretical harmful substance residual quantity and the microbial index, and generating a purification efficiency correction coefficient; inquiring a historical hygiene grade evaluation report and a microorganism spot check record of a production line corresponding to the processing production line identification according to the processing production line identification, and generating a processing process hygiene risk grade; Judging whether the quick-freezing process meets the key process requirements of inhibiting the growth of pathogenic microorganisms and maintaining the quality according to the quick-freezing process parameter set, and generating a quick-freezing process compliance index; And fusing the culture environment risk factors, the theoretical harmful substance residual quantity regulated by the purification efficiency correction coefficient, the sanitary risk level in the processing process and the quick-freezing process compliance index, and constructing the safety state evaluation model through weighted calculation.
6. The quick-frozen abalone safety management method based on traceability recognition according to claim 5, wherein the compliance analysis is performed on the water quality parameter monitoring record, frequency and amplitude of the water quality parameter exceeding the safety standard range during the cultivation are calculated, and the cultivation environment risk factor is generated, and the method comprises the following steps: presetting a safety standard threshold range of each water quality parameter; Comparing each monitoring data point in the water quality parameter monitoring record with the corresponding safety standard threshold range item by item; Counting the times of each water quality parameter exceeding the safety standard threshold range of the water quality parameter in the culture period time stamp, and taking the times of the monitoring data points exceeding the safety standard threshold range as the exceeding frequency; calculating the degree of deviation of the monitoring data points from the safety standard threshold value boundary value when exceeding the standard each time, and calculating the average value of all the exceeding standard amplitudes to be used as the average exceeding standard amplitude; Carrying out weighted summation on the standard exceeding frequency and the average standard exceeding amplitude of each water quality parameter to obtain a single water quality risk value; And synthesizing the single water quality risk values of all the water quality parameters, and generating a comprehensive culture environment risk factor through normalization processing.
7. The method for managing quick-frozen abalone safety based on traceability recognition according to claim 6, wherein the analyzing the temporary culture purification log, evaluating the reduction efficiency of the purification process on the theoretical harmful substance residual quantity and the microbial index, generating a purification efficiency correction coefficient, includes: Extracting key purification parameters from the temporary culture purification log, wherein the key purification parameters comprise a purified water body replacement period, a water body circulation flow, a total purification duration and a excrement detection result at the end; Establishing a purification efficiency evaluation rule base, wherein the purification efficiency evaluation rule base defines theoretical removal rate intervals of typical harmful substances and inhibition effect grades of common microorganisms under different purification parameter combinations; Inputting the key purification parameters into the purification efficiency evaluation rule base for matching inquiry to obtain a corresponding theoretical harmful substance removal rate predicted value and a corresponding microorganism inhibition effect level; calculating an adjustment value of the residual quantity of the purified harmful substances according to the theoretical harmful substance removal rate predicted value; Quantifying the microorganism inhibition effect grade into a numerical coefficient; And synthesizing the purification efficiency correction coefficient by an algorithm by combining the adjustment degree of the harmful substance residual quantity and the microbial inhibition effect quantization coefficient.
8. The quick-frozen abalone safety management method based on traceability recognition according to claim 7, wherein the step of querying a historical hygiene level evaluation report and a microorganism spot check record of a production line corresponding to the production line identification according to the production line identification to generate a production process hygiene risk level comprises the following steps: searching a central supervision platform database by taking the processing line identification as a keyword, and acquiring the historical health grade evaluation report audited by all authorities or third parties of the processing line identification corresponding to the processing line in a past specific period; extracting a compliance score for a critical hygiene item from the historical hygiene level assessment report, the critical hygiene item including shop air cleanliness, fixture disinfection frequency, operator hygiene specifications, and cross-contamination control measures; meanwhile, acquiring the microbiological sampling record of the production line corresponding to the processing production line identification in the same specific period, and counting the qualification rate of the indicating microorganisms such as the total number of bacterial colonies, coliform groups and the like in the sampling sample; Weighted average is carried out on the coincidence scores of the key sanitary items to obtain sanitary standard execution degree scores; converting the qualification rate of the microbiological spot check record into a microbiological control stability score; Fusing the health specification performance score and the microorganism control stability score according to a preset proportion, and mapping the fused health specification performance score and the microorganism control stability score to a predefined risk level interval, so as to generate the processing health risk level.
9. The quick-frozen abalone safety management method based on traceability recognition according to claim 8, further comprising the steps of responding to safety management conclusions and retrospectively reinforcing: when the output security management conclusion is that circulation is allowed, binding the security management conclusion with the corresponding individual traceability identification, writing the security management conclusion into a blockchain traceability account book, and generating a circulation certificate with an encrypted electronic signature; When the output security management conclusion is that circulation is limited, marking limiting conditions in the circulation certificate, wherein the limiting conditions comprise recommended consumption period shortening, sales area limitation or cooking prompt needing to be added; When the output safety management conclusion is that circulation is forbidden, immediately generating a product interception instruction and an early warning notice, wherein the product interception instruction is sent to a warehouse logistics system to lock products corresponding to the fishing batch number, and the early warning notice is sent to relevant supervisory personnel; Regardless of conclusion, the water quality parameter monitoring record, the harmful substance enrichment background value, the temporary culture purification log, the processing production line identifier, the quick freezing process parameter set and the evaluation details of the safety state evaluation model used in the safety evaluation process are stored in a correlated manner as non-tamperable auxiliary information and the individual traceability identifier; Binding the security management conclusion with the corresponding individual traceability identification, writing the security management conclusion into the blockchain traceability account book, and generating a circulation certificate attached with an encrypted electronic signature, wherein the method comprises the following steps: combining the individual traceability identification, the comprehensive security score, the security management conclusion and the timestamp into a data block; invoking a consensus mechanism of a block chain network, and broadcasting the data block to nodes in the network for verification and recording; After the data block passes the verification and is added to the blockchain, acquiring a hash value of the data block from a blockchain network as a unique transaction identifier; Cryptographically signing summary information comprising the unique transaction identity and the security management conclusion using a private key of a regulatory authority; and (3) associating the encrypted signed information with the individual traceability to generate the circulation certificate which can be checked by a downstream merchant or consumer, wherein any checking operation on the circulation certificate can verify the authenticity and the integrity of the circulation certificate through a blockchain network.
10. The quick-frozen abalone safety management system based on traceability recognition comprises a memory, a processor and a computer program stored in the memory and running on the processor, wherein the processor realizes the steps of the quick-frozen abalone safety management method based on traceability recognition according to any one of claims 1 to 9 when executing the computer program.

Description

Quick-frozen abalone safety management method and system based on traceability identification Technical Field The invention belongs to the technical field of food tracing and safety control, and particularly relates to a quick-frozen abalone safety management method and system based on tracing identification. Background Currently, the safety control of aquatic products including quick-frozen abalones mainly depends on batch management and terminal spot inspection combined modes. In the prior art, batch tracing codes are generally given to products, basic static information such as production places, processing dates and the like is recorded, or regular environmental monitoring is carried out on cultivation areas. The management mode regards the same batch of products as a homogeneous whole, and the traceability information of the management mode has weak relevance with dynamic changes in the process of product growth and processing. The data are stored in different systems, and continuous data chains penetrating through the cultivation and processing links are difficult to form, so that the safety evaluation mainly depends on the punctiform detection results of the final products, and the continuity and quantitative judgment on the accumulation risk of individual products in a specific growth environment and the influence degree of the subsequent processing links are lacked. Existing security management methods have limitations due to the inability to precisely correlate the individual product with the exact space-time environment it is growing in and with the details of subsequent processing. The management granularity stays at the batch level, and the safety state differentiation caused by individual growth tracks or treatment differences in the same batch cannot be identified. The safety conclusion is obtained by means of general limit standards and experience judgment, and differentiated flow control instructions matched with the real risks of the individual products are difficult to output, so that the management precision and efficiency are restricted. Disclosure of Invention The present invention aims to solve at least one of the technical problems existing in the prior art; therefore, the invention provides a quick-frozen abalone safety management method based on traceability recognition, which comprises the following steps: The method comprises the steps of obtaining individual traceability marks of quick-frozen abalones, and analyzing the individual traceability marks to extract initial cultivation sea area codes, cultivation period time stamps and fishing batch numbers; according to the initial cultivation sea area code, calling a sea area environment historical database, and searching a water quality parameter monitoring record and a harmful substance enrichment background value of the corresponding sea area in the cultivation period time stamp; associating the culture period time stamp with the fishing batch number, and calling a corresponding temporary culture purification log, a processing production line identifier and a quick-freezing process parameter set from a production history chain; Constructing a safety state evaluation model of individual quick-frozen abalones based on the water quality parameter monitoring record, the harmful substance enrichment background value, the temporary culture purification log, the processing line identification and the quick-freezing process parameter set; and generating comprehensive safety scores of individual quick-frozen abalones by using the safety state evaluation model, and outputting a safety management conclusion containing instructions for allowing circulation, limiting circulation or prohibiting circulation according to a comparison result of the comprehensive safety scores and a preset threshold. Further, the obtaining the individual traceability identification of the quick-frozen abalone, analyzing the individual traceability identification to extract the initial cultivation sea area code, the cultivation period time stamp and the fishing batch number, includes: Scanning a two-dimensional code or a radio frequency identification tag attached to the quick-frozen abalone package or an individual through image recognition equipment, and reading the stored encryption traceability character string; The encrypted tracing character string is sent to a trusted tracing verification server for decryption and verification, and structured individual tracing information is obtained; extracting the initial cultivation sea area code for identifying the abalone source farm from the structured individual traceability information; Extracting and recording the time stamp of the cultivation period of the whole time span from the throwing of the offspring seeds to the fishing of adult abalones from the structured individual traceability information; and extracting the fishing batch number for identifying the same fishing work result from the structured individual