GC Green Cross Wellbeing Files Patent Application for Rapid PCR Detection Method of Gujeolcho View original image


[Asia Economy Reporter Lee Gwan-joo] GC Green Cross Wellbeing announced on the 15th that it has filed a domestic patent application for a rapid discrimination method using the specific DNA of Gujeolcho.


The patented method utilizes the specificity of the nucleotide sequence of Gujeolcho's '5s ribosomal RNA gene (5s rDNA)' to differentiate Gujeolcho by producing PCR amplification products of different lengths. This allows for the rapid identification of Gujeolcho from similar Asteraceae plants within 1 to 2 hours.


GC Green Cross Wellbeing collaborated with the miDNA Genome Research Institute to conduct an in-depth analysis of the DNA of 205 Gujeolcho-like specimens. The joint research team secured specific DNA for each specimen to reliably distinguish Gujeolcho, resulting in an efficient method capable of differentiating specimens using as little as approximately 0.05 ng of DNA.


A representative from GC Green Cross Wellbeing stated, “Due to the difficulty of visually distinguishing natural raw materials and the risks of adulteration or falsification, we developed a discrimination method using DNA analysis technology to ensure safety verification.”



Gujeolcho is a functional natural raw material that helps with joint and cartilage health. GC Green Cross Wellbeing confirmed the osteoarthritis improvement effects of Gujeolcho using its self-developed 'Gujeolcho Extract (Joincyst)'. Based on the research results, the company received approval for the functional raw material as a development-recognized ingredient from the Ministry of Food and Drug Safety in September last year, and also obtained New Dietary Ingredient (NDI) approval from the U.S. FDA. The company plans to launch the product 'Joint Cartilage En Gujeolcho' using Gujeolcho extract domestically within the first half of the year.


This content was produced with the assistance of AI translation services.

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