Table 1.

Relationship between some selected quality parameters of pear fruits treated with different concentrations of sodium benzoate during of cold storage

Variables compared	Relationship
Pearson correlation coefficient (r)
Firmness versus WL	− .930**
Firmness versus PME	− .403**
Firmness versus cellulase	− .362**
TPC versus PPO	− .772**
TPC versus spoilage	− .757**

WL Weight loss, PME pectin methylesterase, TPC total phenolics content, PPO polyphenol oxidase

**Significant at p < 0.01