**3.2 Total soluble solids**

The results of **Tables 2** and **3** showed the effect of spraying chitosan, storage treatments, and storage periods, and the interaction among them on the percentage of total soluble solids in the fruits of the Berhi and Breim cultivars stored at a temperature of (10 2) °C for the two seasons 2014 and 2015. It is noted that spraying

*The Role of Some Pre and Postharvest Applications on Storage Behavior and Protein Pattern… DOI: http://dx.doi.org/10.5772/intechopen.109899*

**Figure 2.** *a-d. some specifications of protein bundles for study parameters.*

chitosan had a significant effect in decreasing the percentage of total soluble solids, the lowest percentage of total soluble solids was (36.12 and 35.72), (33.61 and 33.48)% for the fruits of the Berhi and Breim cultivars treated in the field with 2%chitosan for

**Figure 3.** *The number and sites of protein bundles for the study parameters.*

the two seasons, respectively, with a significant difference from the rest of the treatments, while it reached the highest percentage of total soluble solids (42.06 and 41.93)% and (37.38 and 44.98)% for the control fruits of Berhi and Breim cultivars for the two seasons, respectively. The results are consistent with [29], which referred to the effect of pre-harvest chitosan treatment in decreasing the percentage of soluble solids, and the untreated fruits had a higher percentage of soluble solids.

As for the effect of 1-MCP at a concentration of 1 ppm, it caused a reduction in the percentage of total soluble solids, which amounted to (37.64 and 37.38), (34.67 and 34.36)% for the fruits of Berhi and Breim cultivars for the two seasons, respectively, with a significant difference from the untreated fruits of the two cvs. For the same seasons, which amounted to (39.94 and 39.85), (36.24 and 35.87)%.

It was noted from the same table that the percentage of total soluble solids mild increased with the increment of the storage periods reached (42.03 and 41.89), (37.19 and 37.00)% for the fruits of the two cvs. For the two seasons, respectively after six months of storage, while the lowest percentage of total soluble solids was (35.55 and 34.88), (34.15 and 33.94%) for the fruits of the two cvs. For the two seasons, respectively, after one week of storage. This is may be due to that, the percentage of total soluble solids increasing by decreasing the percentage of the water content of the fruits.

As for the interaction effect between spraying chitosan and storage treatments, the results indicated that the fruits treated with 2% chitosan and (1-MCP) at a



*The Role of Some Pre and Postharvest Applications on Storage Behavior and Protein Pattern… DOI: http://dx.doi.org/10.5772/intechopen.109899*


#### *New Advances in Postharvest Technology*


### *The Role of Some Pre and Postharvest Applications on Storage Behavior and Protein Pattern… DOI: http://dx.doi.org/10.5772/intechopen.109899*


 *Effect of field chitosan spraying, storage treatments, storage period, and interaction between them in the percentage of total soluble solids in the fruits of the Berhi cultivar stored at a temperature of ( 10 2) °C for the 2014 and 2015 seasons.*

**Table**

**2.**


#### *The Role of Some Pre and Postharvest Applications on Storage Behavior and Protein Pattern… DOI: http://dx.doi.org/10.5772/intechopen.109899*


#### *New Advances in Postharvest Technology*

*The Role of Some Pre and Postharvest Applications on Storage Behavior and Protein Pattern… DOI: http://dx.doi.org/10.5772/intechopen.109899*

> *a*


#### **Table 3.**

*Effect of field chitosan spraying, storage treatments, storage period and interaction between them in the percentage of total soluble solids in the fruits of the Breim cultivar stored attemperature of ( 10 2) °C for the 2014 and 2015 seasons.*

concentration of 1 ppm significantly decreased the percentage of total soluble solids, as it was the lowest percentage of total soluble solids (34.90 and 34. 67), (32.98 and 32.83%) was in the fruits of the Berhi and Breim cultivars for the two seasons, respectively, while the highest percentage of total soluble solids was (43.47 and 43.72%) and (38.47 and 38.13%) for the untreated fruits of the two seasons, respectively and this is in the same line with [30]. The results also showed that the effect of the interaction between spraying with chitosan and the storage periods had a significant effect, as the lowest percentage of total soluble solids was (38.57 and 38.43), (35.04 and (34.85%) for the fruits of the two cultivars treated with chitosan at a concentration of 2% at the end of the storage period for the two seasons, respectively. The highest percentage of total soluble solids was (46.73 and 46.62), (40.16 and 39.95%) for the untreated fruits of the two cultivars for the two seasons, respectively, at the end of the storage periods. Findings are in agreement with the results obtained by [8].

The interaction between storage treatments and storage periods had a significant effect, as the lowest percentage of total soluble solids was (41.01 and 40.70), (36.11 and 35.75%) for the fruits of the Berhi and Breim treated with (1-MCP) at a concentration of 1 ppm at the end of the storage periods for the two seasons, respectively. The highest percentage of total soluble solids was (43.80 and 43.33%) and (39.38 and 39.05%) for the control fruits of the Berhi and Breim cultivars at the end of the storage periods for the two seasons, respectively. Regarding the effect of the interaction among the spraying chitosan, postharvest treatments, and storage periods, the lowest percentage of total soluble solids was (37.66 and 36.96), (33.93 and 33.50%) for the Berhi fruits sprayed with 2% chitosan and dipped in 2% chitosan and for the Breim fruits treated with (1-MCP) at a concentration of 1 ppm for the two seasons at the end of the storage period of (six months), respectively, while, the highest percentage of total soluble solids was (49.00 and 48.26%) and (42.76 and 42.43)% in the fruits of the two cultivars sprayed with 0% chitosan and control treatment at the end of the storage period, respectively.

#### **3.3 Total sugars**

The results of **Tables 4** and **5** showed the effect of spraying chitosan in the field, storage treatments and storage period, and the interaction between them on the percentage of total sugars in the fruits of the Berhi and Breim cultivars stored at a temperature of (10 2) °C for the two seasons 2014 and 2015. It is noted that spraying with field chitosan had a significant effect in reducing the percentage of total sugars where the lowest percentage of total sugars was (49.92 and 49.49), (47.21 and 47.07%) for the fruits of the mentioned cultivars that were field-treated with 2% chitosan for the two seasons, respectively, with a significant difference from the rest of the treatments, while the highest percentages of total sugars were (55.86 and 55.73), (50.98 and 50.70%) in the control fruits of mentioned cultivars for the two seasons, respectively. As for the effect of storage treatments, it was noted that it worked to reducetotal sugars percentage, which reached (51.44 and 51.18), (48.27 and 47.96%) for the fruits of the Berhi cultivar for the first season and Breim cultivar for the two seasons treated with the compound 1-MCP at a concentration of 1 ppm and at a concentration of 0.5 ppm for the Berhi cv. in the second season, respectively, with a significant difference from the control treatment, which amounted to (53.65 and 53.56%), (49.73 and 52.65%)for Berhi and Breim cultivars for the two seasons, respectively.


#### *The Role of Some Pre and Postharvest Applications on Storage Behavior and Protein Pattern… DOI: http://dx.doi.org/10.5772/intechopen.109899*


#### *New Advances in Postharvest Technology*


**Table 4.** *Effect of field chitosan spraying, storage treatments, storage period and interaction between them in the percentage of total sugars in the fruits of the Berhi cultivar stored at a temperature of ( 10 2) °C for the 2014 and 2015 seasons.*
