Moon and Wiener had demonstrated new blood factor "CI" with anti-Cl lectin prepared from extracts of seeds of Korean Clerodendron trichotomum THLTNBERG by absorption of selected human reli blood cells.
After that, Moon et al. had reported that CI type specific substance in distributed in human saliva, too. Therefore, human saliva can be classified into two type, secretor of Cl (Sc) and non-secretor of Cl (nSc).
To study on the frequency of Sc and nSc, relation with ABH type secretor and hereditary pattern of CI secretors, agglutination inhibition test of anti-Cl lectin was carried out with human saliva by standard method,and the results can be summarized as follows;
1. Cl positive type can be classified secretor and non-secretor of CI by human saliva, but CI negative type is reacted as only non-secretor of CI.
2. The secretor status of Cl is quite different from ABH secretor.
3. It appears that the inheritance of the saliva type of Cl follows the Mendelian law with the non-secretor of Cl transmitted through recessive genes.
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