| 摘要 |
PURPOSE:To obtain the subject inexpensive inhibitory substance with high safety by extracting the above-mentioned substance from seaweeds. CONSTITUTION:The objective inhibitory substance obtained by preferably cutting brown algae (e.g., WAKAME seaweed or sea tangle), etc., extracting the cut brown algae with a solvent, preferably water or alcohol (e.g., methyl alcohol) while heating, refluxing, etc., and distilling off the solvent from the resultant extract. Furthermore, about 0.1-10g above-mentioned is used based on 100g cosmetics in using thereof for the cosmetics and about 0.1-10g substance is mixed in 100g feed or about 0.1-10g is mixed in 100ml seawater for use as a blackening inhibitor for fishes and shellfishes. |
