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    • 12. 发明授权
    • Method for removing compounds causing discoloration in fruit/vegetables
stored in see-through packaging structures
    • 在透明包装结构中储存的水果/蔬菜中除去引起变色的化合物的方法
    • US5897901A
    • 1999-04-27
    • US602520
    • 1996-02-20
    • Donna Lynn Visioli
    • Donna Lynn Visioli
    • B65D65/40B32B27/34B65D65/38B65D81/24C09D177/00C09J177/00B65B29/00
    • B65D81/24B32B27/34B65D65/38
    • See-through, packaging structures for liquid or semi-liquid fruit or vegetable products, which have a polyamide food contact-layer of at least 0.4 mil. thickness, extends the color-life of the contained food product. The polyamide layer removes certain degradation products of polyphenolic compounds which otherwise would cause browning during storage. The packaging structures allow the contents and their color to be clearly seen by using a transparent film or sheet structural material having a polyamide surface-layer, the structural material being formed into a packaging structure. The packaging structure may be one such as a film pouch or a plastic bottle, the surface layer of the film or sheet forming the inner-surface food contact-layer of the packaging structure. Alternatively, a polyamide inner contact-layer in the lidding of a see-through package structure can be used, in which case the see-through package container portion itself need not have a polyamide inner contact-layer.
    • 透明液体或半液体水果或蔬菜产品的包装结构,其具有至少0.4密耳的聚酰胺食品接触层。 厚度,延长所包含食品的颜色寿命。 聚酰胺层除去多余的化合物的某些降解产物,否则在储存期间会引起褐变。 包装结构允许通过使用具有聚酰胺表面层的透明膜或片状结构材料清楚地看到内容物及其颜色,该结构材料形成为包装结构。 包装结构可以是诸如薄膜袋或塑料瓶的薄膜或薄片的表面层,形成包装结构的内表面食品接触层。 或者,可以使用在透明包装结构的封盖中的聚酰胺内部接触层,在这种情况下,透明包装容器部分本身不需要具有聚酰胺内部接触层。