9 results about "Allergens food" patented technology

This invention discloses a highly absorbable, non-allergenic DHA brain-boosting oral liquid specifically designed for students of all ages, belonging to the field of functional nutritional beverage technology for teenagers. This invention uses high-purity Schizochytrium algae oil DHA and perilla seed active molecules as the core brain-boosting matrix, innovatively configuring a grade-specific ingredient system. The formula is customized for the physical condition and brain function needs of students at different grade levels: kindergarten, primary school, junior high school, high school, and university. Through a small-molecule cell-wall breaking extraction process, the nutrients are directly absorbed into the bloodstream and quickly converted into "brain gold" in the brain. This formula strictly avoids eight major food allergens, ensuring safety for all ages. It also specifically addresses sub-health issues related to learning across all grade levels, including early childhood brain development and emotional well-being, exam preparation efficiency and fatigue reduction for students preparing for higher education, and cognitive development and mental sustainability for university students. The product comes in standardized packaging of 50ml / vial and 15 vials / box, with a customized sweet taste tailored to different grade levels, making it highly acceptable to students. It has no side effects and is suitable for long-term healthy consumption by all school students, effectively improving brain efficiency and learning status across all grade levels, with broad market application prospects.

The invention provides a detection device and a detection method for trace food allergen protein. The detection device comprises a liquid storage tank, a micro-fluidic device and a developing tank, wherein the liquid storage tank is used for accommodating a detection antibody reagent, a washing reagent, a substrate reagent, a nanoparticle reagent and a sample to be detected; the microfluidic device is provided with a plurality of enzyme-labeled reaction chambers; the antibody reagent, the washing reagent, the substrate reagent, the nano-particle reagent and a sample to be detected enter each enzyme-labeled reaction chamber for reaction through the shared liquid inlet channel according to a set sequence; each enzyme-labeled reaction chamber is provided with a liquid outlet; the chromogenic pool is used for collecting reaction liquid after a substrate reagent enters the enzyme-labeled reaction chamber and a nano-particle reagent flowing out of the enzyme-labeled reaction chamber, and providing a chromogenic reaction space. According to the device, semi-quantitative or quantitative analysis of various allergen proteins can be completed under the condition that no instrument is needed, and the result accuracy, the detection specificity and the application range are better.

The invention provides a food allergen protein semi-quantitative rapid detection device and method, the detection device comprises a pretreatment tube, a reaction tube and a color development tube, the pretreatment tube is internally provided with a stirrer for grinding and stirring a sample to be detected and a filter membrane containing a free labeled antibody, and the bottom of the pretreatment tube is provided with a sample liquid outlet; the sample solution slowly passes through the filter membrane under the action of gravity, the target protein and the labeled antibody are combined to form a compound, and the compound and the sample solution flow into a reaction tube below together; the reaction tube is used for capturing an antigen-antibody complex formed in the pretreatment tube, converting the TMB base solution into a golden yellow reaction product and introducing the reaction product into the color development tube. The device is simple to operate, does not need to depend on professionals and equipment, can quickly obtain a detection result, and provides a new method which is quick, economical, convenient and user-friendly for detection of food allergens.

Systems and methods of tracking utilization of tableware are presented. In one exemplary embodiment, a method of maintaining a historical record of food allergen exposure to tableware is performed by an electronic device having a sensing device operable to sense an identifier specific to and disposed with tableware. The tableware identifier is specific to a cryptographic digital asset stored on the blockchain as a code that represents the tableware identifier. Further, the cryptographic digital asset includes a reference to information that represents a historical record of any food allergen exposure to the tableware. The tableware identifier code and the food allergen exposure information reference are included with the cryptographic digital asset. The method includes sending, to the blockchain, an indication that includes a request for block data associated with the cryptographic digital asset based on the tableware Identifier disposed on the tableware that is sensed by the sensing device.

The invention provides a method for detecting hazelnut sensitization protein genes based on an LAMP-CRISPR / Cas12a system, which comprises the following steps: extracting genome DNA of a sample to be detected, designing and synthesizing a gRNA sequence according to a hazelnut sensitization protein gene cora14 sequence and a PAM site, designing an LAMP primer, performing LAMP amplification by taking the extracted genome DNA of the sample to be detected as a template to obtain a target to be detected, and detecting the hazelnut sensitization protein genes based on the LAMP-CRISPR / Cas12a system. CRISPR / Cas12a detection is carried out by utilizing the synthesized gRNA and a target to be detected, and whether the hazelnut sensitization protein gene cora14 exists or not is judged according to the change of a fluorescence signal. The LAMP-CRISPR / Cas12a detection method provided by the invention has the characteristics of high sensitivity, strong specificity, good readability and the like, can effectively identify potential hazelnut components in food, ensures high specificity of food allergen detection, and is expected to become an effective tool for food allergen detection.

The invention provides a method for screening wheat allergen characteristic peptide fragments of processed food, and belongs to the technical field of protein marker identification. The invention provides a method for screening and processing food wheat allergen characteristic peptide fragments, the method adopts an immunomagnetic bead coupled sIgE antibody to identify and enrich allergen protein, and the immunomagnetic bead coupled sIgE antibody can specifically bind with the allergen protein due to the sIgE distributed on the surface of the immunomagnetic bead coupled sIgE antibody. The wheat allergen protein in a complex matrix can be rapidly identified and can be enriched from a processed food matrix. A typical indication peptide fragment of the processed food allergen protein is screened by applying an omics analysis strategy, a technology for identifying the indication peptide fragment of the allergen protein in the processed food is established, a stable and accurate processed food allergen pre-judgment system is constructed, technical support is provided for detection of the processed food allergen, and the method is suitable for popularization and application. And a scientific basis is provided for risk assessment and risk control of food allergen processing.

This invention provides an array-type microfluidic chip, fixture, and detection system for detecting food allergens. The chip includes: a first microfluidic chip and a second microfluidic chip sharing a common substrate. The first microfluidic chip includes a first channel group disposed on the substrate, and the second microfluidic chip includes a second channel group disposed on the substrate. The first channel group includes at least two parallel longitudinal channels, one of which is used as a blank control, and the remaining longitudinal channels are used to modify target antibodies. The second channel group includes at least two parallel transverse channels, which are used for sample loading and fluorescent labeling. The transverse channels are vertically attached to the modified imprints of the longitudinal channels, and the intersections of the transverse and longitudinal channel modified imprints form array points.

The present invention relates to food allergen compositions. In particular, the present invention relates to novel compositions and methods for the diagnosis or treatment of food allergies. Specifically, the present invention discloses a novel method of delivering food allergens to an allergic patient by oral administration of a formulation that dissolves and releases the proteins in the stomach. The present invention allows for the treatment of food allergies by delivering food allergens to the intestinal immune system and controlled exposure to the esophagus or oral cavity. The present invention also allows for the assessment of the threshold of clinical reactivity by food provocation without exposure to the esophagus and oral cavity. The present invention can be used in any subject, particularly a human subject, and is applicable to any food allergen.

The invention discloses a primer probe combination for detecting allergens of shrimps, crabs and fishes based on a dual Proofman-LMTIA technology and application of the primer probe combination, and belongs to the technical field of molecular detection. The primer and probe combination comprises a primer and a probe with a sequence as shown in SEQ ID NO.1-10. Based on a Proofman-LMTIA technology, specific primers and probes are designed, and a rapid detection system for allergens of shrimps, crabs and fishes is constructed. In the links of production, processing, storage and transportation and circulation, the method can accurately identify shrimp, crab and fish allergens possibly mixed in processed food, provides a powerful technical tool for food enterprises to efficiently control allergen risks, can help supervision departments to perform more accurate and more efficient sampling inspection and screening on allergen-containing food, and has a good application prospect. The mistaken eating risk of allergic people is reduced from the source, and a technical barrier is provided for diet safety and body health of the allergic people.