Physico- Chemical Evaluation of By-Products of Some Fruits Resulting From Food Processing | ||||
| Annals of Agricultural Science, Moshtohor | ||||
| Article 11, Volume 60, Issue 3, September 2022, Page 845-854 PDF (763.98 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/assjm.2022.263848 | ||||
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| Abstract | ||||
| The aim of this study was to investigate the possibility of benefiting from both pomegranate seed pomace PSP (the remaining part after pomegranate seed juice) and the date press DP (the residual part after extracting the fleshy part of the date), which are unused by-products of the pomegranate and date fruits at cheap prices. It is easy to obtain as it is generated in large quantities from food factories, and by evaluating the aforementioned raw materials physio-chemical. The obtained resulted showed that PSP had the higher content of crude protein (11.31%), ether extract (3.50%), ash (1.82%) and crude fiber (11.66%) compared with theDP,which recorded 9.87, 2.58, 1.69 and 8.58%, respectively. Meanwhile, DP had the higher content of available carbohydrate (77.29%) compared with PSP (71.70%). PSP had the higher content of K, Ca, Mg, Mn, Zn and Cu (858.66, 248.48, 685.07, 1.54, 2.85 and 2.66 mg/100g, respectively). While, DP had the higher content of Na and Fe (43.23 and 4.61 mg/100g, respectively). Total dietary fiber and insoluble dietary fiber were higher in DP powder (41.50 and 38.7%, respectively),while soluble dietary fibers were higher for PSP (3.8 %). PSP had the higher content in both of total phenols and antioxidant activity than DP. While, DP had the higher content in total flavonoids than PSP. So, results indicated that PSP and DP by-products can serve as a good source of dietary fibers, minerals and bioactive components. It could be recommended that incorporation of the mentioned raw materials with food product to obtain healthy food products (especially bakery products) have a high biological value. | ||||
| Keywords | ||||
| Pomegranate seed pomace; Date pomace; Physico-chemical properties | ||||
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