METHOD OF PREPARING LOW ALLERGIC NATURAL RUBBER LATEX AND DEPROTEINIZED NATURAL RUBBER LATEX, AND LOW ALLERGIC NATURAL RUBBER AND DEPROTEINIZED NATURAL RUBBER

摘要

THERE IS DISCLOSED A METHOD OF PREPARING A LOW ALLERGIC NATURAL RUBBER LATEX, WHICH COMPRISES ADDING A PROTEASE HAVING AN EXOPEPTIDASE ACTIVITY TO A NATURAL RUBBER LATEX AND AGING THE NATURAL RUBBER LATEX, THEREBY TO DECOMPOSE A PROTEIN IN THE LATEX TO SUCH A DEGREE THAT THE PROTEIN AND A PROTEIN DECOMPOSITION PRODUCT, WHICH HAVE A NUMBER-AVERAGE MOLECULAR WEIGHT OF 4500 OR MORE, ARE NOT DETECTED. FIG. 1