Date Pits: Chemical Composition, Nutritional and Medicinal Values, Utilization

Shi, Lu-E; Zheng, Wei; Aleid, Salah M.; Tang, Zhen‐Xing

doi:10.2135/cropsci2013.05.0296

Cited by 19 publications

(12 citation statements)

References 47 publications

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“…Therefore, date seeds could potentially be used as an ingredient in the production of food for human consumption in which there is a need to increase the fiber content, such as wheat flour-based products [31]. This would stimulate solid waste transit in the body, to possibly prevent constipation and some gastrointestinal diseases [10,30].…”

Section: Discussionmentioning

confidence: 99%

“…Options have been explored for its use in the production of biofuels, particularly for the generation of biodiesel [3]. In the medical field, the date seed has great value as an agent with antioxidant, anti-inflammatory and antiviral activities [10].…”

Section: Introductionmentioning

confidence: 99%

“…Several studies have focused on determining the chemical properties of the date seed [1,2,4,10]. However, none has addressed the effect of various pollen sources on the chemical composition of the seed.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Four Pollinating Sources on Nutritional Properties of Medjool Date (Phoenix dactylifera L.) Seeds

et al. 2020

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The objective of this study was to evaluate the effect of pollen source on the nutritional composition of seeds of the 'Medjool' date (Phoenix dactylifera L.) under conditions of northwest Mexico. The content of nutrients (protein, lipids, fiber, and ash), sugars (total, reducing, and non-reducing), and most abundant minerals, were evaluated, as well as antioxidant activities. The pollen of four cultivars ('Deglet Noor', 'Khadrawy', 'Medjool', and 'Zahidi') was selected. Four groups of three bunches were pollinated in each of the female palms. For the four treatments, the following ranges were obtained: Seeds had a weight of 1.32-1.41 g and low concentrations of protein (4.44-5.49 g/100 g) and lipids (9.62-10.19 g/100 g). The content of dietary fiber and ash was 59.65-72.59 g/100 g and 1.09-1.42 g/100 g, respectively. Total sugars content was 4.50-6.96 g/100 g, while the insoluble solids were 92.21-96.03 g/100 g. The predominant mineral was potassium with 399.97-459.79 mg/100 g dry weight, followed by sulfur with 135.51-162.67 mg/100 g dry weight. Finally, for antioxidant activities, DPPH (2,2 -diphenyl-1-picrylhydrazyl) and ABTS (2,2 -azino-bis(3-ethylbenzothiazoline-6-sulfonic acid)) assay results were 0.0014-0.0094 IC 50 g/L and 0.176-0.299 IC 50 g/L, respectively. The pollen sources had an effect on the physicochemical properties of the seeds of the 'Medjool' cultivar date. However, some of the parameters (diameter, total acidity, pH) did not show statistically significant differences. The pollen sources from the 'Khadrawy' and 'Medjool' cultivars were the ones that induced differences in physical, proximate, and nutritional parameters, while pollen from the 'Zahidi' source induced the largest differences for minerals. The results suggest that selection of the source of pollen has a significant effect on the nutritional properties of the date seed from the cultivar 'Medjool', and that its use could be feasible as a functional food or by-product of the date production.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effect of Four Pollinating Sources on Nutritional Properties of Medjool Date (Phoenix dactylifera L.) Seeds

et al. 2020

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“…Although, there are many reports related to the beneficial effects of date pulp, there is a limited number of experiments trying to find the probable effects of date seeds extract on disorders and health hazards. Date seeds, also known as date pits, can be safe and cheap sources of different vital nutrients and offer various health benefits for humans (Shi et al, 2014). Lately, there has been an increasing curiosity in exploration and extraction of polyphenols, essential oils, and dietary fiber from these precious seeds (Ardekani et al, 2010).…”

Section: Discussionmentioning

confidence: 99%

Antidiabetic Activity of Date Seed Methanolic Extracts in Alloxan-Induced Diabetic Rats

Ayatollahi¹

2019

PVJ

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Phoenix dactylifera. L. )date palm ( is one of the main fruits in North of Africa and Middle East. The date seeds are considered as wastes despite of their medicinal properties. Different seed preparations are used as expectorant, anti-diarrheic, hypoglycemic, tonic, and aphrodisiac agents. We established the anti-diabetic and anti-lipidemic activities of methanolic extracts of date seed in alloxan-induced diabetic rats. Animals were divided in to 6 groups (each group contained six animals), comprising of control group and diabetic rats. Animals were treated with different amounts of extract. To assess the hypolipidemic, and anti-hyperglycemic activity, cholesterol serum levels, low density lipoprotein (LDL), high density lipoprotein (HDL), creatinine, urea and alkaline phosphatase were measured in serum of the treated animals. The anti-diabetic potential was investigated through the levels of glucose and body weight. Moreover, to assess the extract's safety, acute toxicity test was performed. In comparison with control group, significant reductions were observed in LDL, cholesterol, as well as blood glucose levels in diabetic rats that received date seed extract. Extract supplemented diabetic rats also showed a better tolerance to glucose, as well as reduced amounts of creatinine, urea, and alkaline phosphatase in their serum samples. In addition, no toxicity (acute toxicity), was detected even after high dosage of extract administration. Our results confirmed the anti-lipidemic and anti-diabetic potentials of date seed methanolic extract in diabetic rats. AT and Sharifi-Rad J, 2019. Antidiabetic activity of date seed methanolic extracts in alloxan-induced diabetic rats. Pak Vet J, 39(4): 583-587. http://dx.

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“…In comparison with the pulp, it was noted that date palm seeds were characterized by low percentage of moisture (3.1%-12.5%) [6] and total sugar (2.2%-8.17%) [10,20]. On the contrary, they contained an appreciable amount of fat (5.0%-12.5%) and proteins (2.3%-6.9%) [6].…”

Section: Discussionmentioning

confidence: 99%

Antioxidant activity, volatile and nonvolatile composition of two Phoenix dactylifera L. by-products

Thouri¹,

Chahdoura²,

Arem³

et al. 2017

JCLM

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Date Pits: Chemical Composition, Nutritional and Medicinal Values, Utilization

Cited by 19 publications

References 47 publications

Effect of Four Pollinating Sources on Nutritional Properties of Medjool Date (Phoenix dactylifera L.) Seeds

Effect of Four Pollinating Sources on Nutritional Properties of Medjool Date (Phoenix dactylifera L.) Seeds

Antidiabetic Activity of Date Seed Methanolic Extracts in Alloxan-Induced Diabetic Rats

Antioxidant activity, volatile and nonvolatile composition of two Phoenix dactylifera L. by-products

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