In this paper, the effect of preservation that fresh pork was dealed with different preservative solutions, packed bypolyethylene pockets and then stored at 0～4℃ was studied.

In this paper,the preservative effect of two preservative solution on vacuum-packag ed chilled pork during storag e at 3±1℃were studied.

Through analysis on different preservative solution of the cut flower′s vase life,ornamental value,the time of the hydrologic balance value to zero,the time of the fresh weight changing ratio to one,petal′s soluble protein and soluble sugar .

In order to investigate the suitable composition for keeping Gerbera Flower fresh, and provided some scientific bases of resolving problems in keeping Gerbera Flower fresh ,the effects of five keeping-fresh liquid on some physiologies,including water-balance values, cell membrane permeability, POD activities, MDA contents and vase lives of cut Gerbera Flower were studied in this paper.

Effects of four kinds of keeping-fresh liquids on cut-flowers were researches,taken Dendranthema morifolium,Dianthus chinensis and Gardenia jasminoieds f.

[Result] Fresh-keeping solution of 0.

The preservative treatment are made of sugar, salt, aspirin, citric acid and penicillin for chrysanthemum cut flower, the results showed that the vase life, fresh weight of flower branch and water balance are improved It was proved, that the treatment (2.

This dissertation explores the physiological influence of preservatives on the cut flowers of lily.

Extension of the shelf life of chilled pork by modified atmosphere packaging and preservative;

Study on the fresh-keeping effect of three natural preservatives with chilled pork-with low initial number of bacteria and storing temperature chilled pork;