期刊
FOOD SCIENCE & NUTRITION
卷 11, 期 3, 页码 1342-1353出版社
WILEY
DOI: 10.1002/fsn3.3170
关键词
angiotensin-converting enzyme; date kernel; dry soup; alpha-amylase; alpha-glucosidase
Date kernel as a functional food component was studied for its effects on physicochemical, nutritional, and organoleptic properties, as well as the beneficial effects of semi-prepared dry soup samples. The results showed that the addition of date kernel powder improved the nutritional properties and increased antioxidant and enzyme inhibitory activities. The sensory evaluation indicated that samples with 4%w/w date kernel powder had the highest acceptability.
Date kernel as a functional food component has a special importance due to its rich nutritional profile, low price, and ease of access. For this, in this research, the sub-product was used for formulation of semi-prepared dry soup (SPDS); the effect of adding 0 (S1 = control), 2 (S2), and 4 (S3) %w/w date kernel powder (DKP) on physicochemical, nutritional, and organoleptic properties and beneficial effects of SPDS samples were evaluated. The results revealed that S2 and S3 samples were different from the control sample in some physicochemical properties so that viscosity increased 1.27 and 1.52 times and a* raised 5.6 and 8.5 times, respectively, while L* decreased 0.94 and 0.88 times and b* reduced 0.92 and 0.8 times, respectively. The nutritional properties of S2 and S3 samples compared with the control sample improved. Also, differences were observed in the beneficial effects of S2 and S3 compared with the control sample as total polyphenol content (TPC) increased 1.06 and 1.11 times, respectively (p < .05); antioxidant activities (AA) of S2 and S3 samples were 8.04 and 6.01 mg/ml and angiotensin-converting enzyme (ACE) inhibitory activities were measured to be 8.2 and 7.86 mg/ml, respectively; also, alpha-amylase and alpha-glucosidase inhibitory activities of S2 and S3 samples were observed 4.48% and 5.70%, and 4.59% and 6.36%, respectively. From the organoleptic aspect, S3 had the highest acceptability. Generally, it is concluded that with the addition of DKP (maximally 4%w/w) to SPDS formulation, a functional soup could be produced considering the rich nutritional profile of DKP.
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