If gelatin edible films were stored in -18, 0, 20 or 40, and RH 65% environments, their mechanical strengch tended to reduce first and then became stable, but their heatsealing strength showed no obvious change.

• 明胶膜在贮藏过程中（－18、0、20、40℃，相对湿度65%25），其机械强度先递减后趋于稳定，但其热封强度变化不明显。