Dietary fiber components, microstructure, and texture of date fruits (Phoenix dactylifera, L.)

Kamal‐Eldin, Afaf; George, Navomy; Sobti, Bhawna; AlRashidi, Nouf; Ghnimi, Sami; Ali, Abdul Aziz; Andersson, Annica; Andersson, Roger; Antony, Asha; Hamed, Fathalla

doi:10.1038/s41598-020-78713-4

Cited by 41 publications

(26 citation statements)

References 57 publications

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“…Texture indicators determined by PT and TPA reflect overlapping but irreplaceable information. Texture measurement system analysis has high sensitivity and objectivity and has been applied to several commercially produced fruits, including apple (Chang et al, 2018), date (Kamal-Eldin et al, 2020), and pomegranate (Fawole and Opara, 2013). In our experiment, 10 representative indicators were obtained using PT and TPA simultaneously, and the results showed varying degrees of correlation between the texture indicators, similar to the previous study on melon (Bianchi et al, 2016).…”

Section: Discussionsupporting

confidence: 80%

“…As expected, we found significant differences in several physicochemical indexes among the 23 plum cultivars, suggesting that genetic characteristics have a decisive effect on the physicochemical properties of plum fruit. The effect of genetic characteristics is common in other horticultural species (Ayour et al, 2021;Kamal-Eldin et al, 2020). However, unexpectedly, we found certain inseparable relationships between these physicochemical properties and textural characteristics.…”

Section: Discussionmentioning

confidence: 50%

“…Under the deformation of 50%, 11 plum cultivars did not crack during TPA, and the flexibility-related indicators could not be calculated. This limitation of TPA has not been mentioned in previous studies, possibly because the texture analyzer was used on homogeneous or small stone-fruit samples (Kamal-Eldin et al, 2020;Vega-Galvez et al, 2015). In addition, the textural characteristics determined by PT and TPA correlated differently with the basic physicochemical properties.…”

Section: Discussionmentioning

confidence: 95%

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Fruit Textural Characteristics of 23 Plum (Prunus salicina Lindl) Cultivars: Evaluation and Cluster Analysis

Qiu¹,

Zhang²,

Zhang³

et al. 2021

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Fruit textural characteristics can affect the storage, transportation, and processing of plum (Prunus salicina Lindl) in commercial production. We analyzed 23 plum cultivars with marked differences in fruit traits. Basic physicochemical indicators and textural characteristics of the fruits were determined using puncture testing and texture profile analysis. Furthermore, through the combined application of cluster analysis and principal component analysis, the indexes were simplified to three relatively independent dimensions, comprehensively reflecting the hardness, size, and flexibility of plum fruit. Our results show a high positive correlation among textural characteristics such as hardness, springiness, gumminess, and chewiness, whereas toughness and brittleness were negatively correlated. In addition, physicochemical properties were correlated to the texture traits. The weight and size of the plum fruit were related to hardness, adhesiveness, and chewiness. The soluble solids and water content contributed to the hardness, cohesiveness, and resistance to chewing. Cluster analysis revealed three distinct clusters: Cluster I represented by ‘Meiguihong’ with high hardness and a chewable texture; Cluster II represented by ‘Siyuecui’, ‘Cuimi’, and ‘Qingcui’ with a hard and brittle texture; and Cluster III represented by ‘Jinmi’, ‘Taoli’, and ‘Oishiwase’ with a soft and tough texture. The results of this study provide a significant theoretical foundation for quality evaluation, and classification of plum fruit characteristics, thus providing insights for further breeding of plum varieties.

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Section: Discussionsupporting

confidence: 80%

Section: Discussionmentioning

confidence: 50%

Section: Discussionmentioning

confidence: 95%

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Fruit Textural Characteristics of 23 Plum (Prunus salicina Lindl) Cultivars: Evaluation and Cluster Analysis

Qiu¹,

Zhang²,

Zhang³

et al. 2021

horts

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“…On the other hand, fat contents present reported the lowest contents in all date samples in this study, it ranged from 0.18 to 0.51 g/100 g dry matter in Khodari and Anabarah, respectively. The results obtained were found to be similar to other varieties growing in Saudi Arabia [22] and Emirates [23]. Date palms are very desirable for human health due to the presence of low content of fat, and cholesterol [24], in addition to the suitable fibre contents that can be important to the digestive system.…”

Section: Chemical Composition Analysissupporting

confidence: 71%

The chemical composition, total phenolic and antioxidant content of four date palm saudi cultivars

Assirey

2021

Journal of Taibah University for Science

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This work aims to study the antioxidant activities and chemical constituents of four Saudi date palm varieties (Ajwa, Kodari, Anbarah and Suqaey). Results showed variation in chemical composition and antioxidant activates. Carbohydrates (71.5-77.3 g/100 g dry matter) and moisture contents were the predominant competent in all flesh date palms (80.44-82.82%). Anbarah reported the highest protein and ash contents (3.50% and 2.32%, respectively) between the four varieties, while fat contents were low in the four types. Total phenols and antioxidant activities were higher in Ajwa compared to the other varieties. IC 50 of Ajwa, Kodari, Anbarah and Suqaey was 24.5, 25.55, 28.51 and 26.41 mg/ml, respectively. The antioxidant activities can be contributed to dates highly phenolic contents, which improve the antioxidant activities that could be used in food formulations.

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“…Compared to results in the literature, nutritive values of CO and SO flesh, i.e., protein and ash levels were higher, while fat, carbohydrate, and energy levels were slightly lower than those of date palm flesh in the United Arab Emirates (UAE) [ 6 ]. Only nutritive values for date palm flesh in the Tamr stage in Barhi cultivar were available, and results reported lower total dietary fiber than our CO and SO [ 16 ]. Interestingly, date palm flesh of offshoot origin at the Khalal stage of Khlass cultivar exhibited higher crude fiber than its cell culture origin [ 17 ].…”

Section: Discussionmentioning

confidence: 87%

A Comparison of the Nutritional and Biochemical Quality of Date Palm Fruits Obtained Using Different Planting Techniques

et al. 2021

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Date palm fruit (Phoenix dactylifera L.) is commonly consumed around the world and has recently become an economical crop in Eastern Thailand, especially the Barhi cultivar that can be consumed as fresh fruit. To maintain genetic qualities, date palm is populated through cell culture. This leads to high production costs, while access to this technique is limited. Increasing date palm population by simple seed planting is currently of interest as an alternative for local farmers. Nevertheless, information on nutritive values, bioactive compounds, and health-promoting bioactivities of seed originating from date palm fruit is unavailable. Effects of different planting origins (cell culture origin (CO) and seed origin (SO)) of date palm fruits at the Khalal stage of Barhi cultivar were investigated for nutritive values, bioactive compounds, and in vitro health-promoting properties via key enzyme inhibitions against obesity (lipase), diabetes (α-amylase, α-glucosidase, and dipeptidyl peptidase-IV), Alzheimer’s disease (cholinesterases and β-secretase), and hypertension (angiotensin-converting enzyme). Waste seeds as a by-product from date palm production were also examined regarding these properties to increase seed marketing opportunities for future food applications and other health-related products. CO and SO exhibited insignificant differences in energy, fat, and carbohydrate contents. SO had higher protein, dietary fiber, vitamin A, vitamin E, and calcium contents than CO, while CO contained higher contents of fructose, glucose and maltose. Higher phenolic contents in SO led to greater enzyme inhibitory activities than CO. Interestingly, seeds of date palm fruits mostly contained higher nutritive values than the flesh. No carotenoids were detected in seeds but higher phenolic contents resulted in greater enzyme inhibitory activities than recorded for fruit flesh. Results suggest that appropriate planting of date palm can support the development of novel date palm fruit products, leading to expansion of economic opportunities and investment in date palm fruit agriculture.

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Dietary fiber components, microstructure, and texture of date fruits (Phoenix dactylifera, L.)

Cited by 41 publications

References 57 publications

Fruit Textural Characteristics of 23 Plum (Prunus salicina Lindl) Cultivars: Evaluation and Cluster Analysis

Fruit Textural Characteristics of 23 Plum (Prunus salicina Lindl) Cultivars: Evaluation and Cluster Analysis

The chemical composition, total phenolic and antioxidant content of four date palm saudi cultivars

A Comparison of the Nutritional and Biochemical Quality of Date Palm Fruits Obtained Using Different Planting Techniques

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