胶原纤维酸钠是以天然食品成分为原料，经复配、过滤、精制干燥而成的食品添加剂。
Sodium collagen fibers is a food additive, uses natural food ingredients as raw materials, made by compounding, filtration, purification and drying.
胶原提取液盐析精制成为胶原膜，对烧伤创面有减少渗出、减轻疼痛等作用。
Such an acid extract purified by dialysis became collagen gel which could promote cornea epithelial wound healing.
通过试验将蜂胶原料用乙醇提取并用冷乙醇脱蜡得到精制蜂胶。
The refined propolis can be extracted by the alcohol from the raw propolis and then dewaxed with cooled alcohol.
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