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

Date palm fruit (<i>Phoenix dactylifera</i> 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 cult...

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Main Authors: Jeerawan Hinkaew, Amornrat Aursalung, Yuraporn Sahasakul, Nattapol Tangsuphoom, Uthaiwan Suttisansanee
Format: Article
Language:English
Published: MDPI AG 2021-04-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/26/8/2245
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author Jeerawan Hinkaew
Amornrat Aursalung
Yuraporn Sahasakul
Nattapol Tangsuphoom
Uthaiwan Suttisansanee
author_facet Jeerawan Hinkaew
Amornrat Aursalung
Yuraporn Sahasakul
Nattapol Tangsuphoom
Uthaiwan Suttisansanee
author_sort Jeerawan Hinkaew
collection DOAJ
description Date palm fruit (<i>Phoenix dactylifera</i> 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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spelling doaj.art-9fe6ee22e29d43ad84e108356621aa272023-11-21T15:24:45ZengMDPI AGMolecules1420-30492021-04-01268224510.3390/molecules26082245A Comparison of the Nutritional and Biochemical Quality of Date Palm Fruits Obtained Using Different Planting TechniquesJeerawan Hinkaew0Amornrat Aursalung1Yuraporn Sahasakul2Nattapol Tangsuphoom3Uthaiwan Suttisansanee4Institute of Nutrition, Mahidol University, Salaya, Phuttamonthon, Nakhon Pathom 73170, ThailandInstitute of Nutrition, Mahidol University, Salaya, Phuttamonthon, Nakhon Pathom 73170, ThailandInstitute of Nutrition, Mahidol University, Salaya, Phuttamonthon, Nakhon Pathom 73170, ThailandInstitute of Nutrition, Mahidol University, Salaya, Phuttamonthon, Nakhon Pathom 73170, ThailandInstitute of Nutrition, Mahidol University, Salaya, Phuttamonthon, Nakhon Pathom 73170, ThailandDate palm fruit (<i>Phoenix dactylifera</i> 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.https://www.mdpi.com/1420-3049/26/8/2245<i>Phoenix dactylifera</i> L.cell culture originseed originnutritional compositionsphenolicscarotenoids
spellingShingle Jeerawan Hinkaew
Amornrat Aursalung
Yuraporn Sahasakul
Nattapol Tangsuphoom
Uthaiwan Suttisansanee
A Comparison of the Nutritional and Biochemical Quality of Date Palm Fruits Obtained Using Different Planting Techniques
Molecules
<i>Phoenix dactylifera</i> L.
cell culture origin
seed origin
nutritional compositions
phenolics
carotenoids
title A Comparison of the Nutritional and Biochemical Quality of Date Palm Fruits Obtained Using Different Planting Techniques
title_full A Comparison of the Nutritional and Biochemical Quality of Date Palm Fruits Obtained Using Different Planting Techniques
title_fullStr A Comparison of the Nutritional and Biochemical Quality of Date Palm Fruits Obtained Using Different Planting Techniques
title_full_unstemmed A Comparison of the Nutritional and Biochemical Quality of Date Palm Fruits Obtained Using Different Planting Techniques
title_short A Comparison of the Nutritional and Biochemical Quality of Date Palm Fruits Obtained Using Different Planting Techniques
title_sort comparison of the nutritional and biochemical quality of date palm fruits obtained using different planting techniques
topic <i>Phoenix dactylifera</i> L.
cell culture origin
seed origin
nutritional compositions
phenolics
carotenoids
url https://www.mdpi.com/1420-3049/26/8/2245
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