| 摘要 |
<p>PURPOSE:To obtain a freshness preservative effective for suppressing additional ripening of vegetables and fruits, aging, change in color, occurrence of offensive smell, etc., especially removing an ethylene gas, having improved water resistance and moldability, by blending zeolite with bentonite, etc. CONSTITUTION:20-70wt.% zeolite is blended with 10-30wt.% bentonite, 2-30wt.% potassium permanganate, 4-20 wt.% slaked lime and 0.5-10wt.% calculated as SiO2 of colloidal silia, kneaded with water, molded into a desired shape by a conventional procedure and dried.</p> |
