Nutritional Characterization of Leaves and Herbal Tea of <i>Moringa oleifera</i> Cultivated in Greece

Lalas, Stavros; Athanasiadis, Vassilis; Karageorgou, Ioanna; Batra, Georgia; Nanos, George D.; Makris, Dimitris P.

doi:10.1080/10496475.2017.1334163

Cited by 28 publications

(36 citation statements)

References 27 publications

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“…The antioxidant activity of the extracts was determined by the Rancimat method as described by Lalas et al [38]. Specifically, each extract was accurately weighed to obtain 5000 ppm in purified (according to the method of Fuster et al [42]) sunflower oil and its activity was determined using a Metrohm Rancimat 743 (Metrohm Ltd., Herisau, Switzerland), along with another sample of sunflower oil without the addition of the extract, as the control.…”

Section: Rancimat Methodsmentioning

confidence: 99%

“…Apart from PEF 3 and 7, there were significant differences (p < 0.05) between the various PEF conditions concerning the % reduction of the DPPH • radical. M. oleifera leaves are known for their high content in total phenols, flavonols [38] and other flavonoids [56] and, therefore, the high % reduction ability of the extracts was expected. The results of the ferric reducing antioxidant power (FRAP assay) are shown in Table 4.…”

Section: Antioxidant Activity Of the Extractsmentioning

confidence: 99%

“…No significant (p < 0.05) differences were presented among the PEF 3, 6, 7 and 8 procedures and boiling water extraction. M. oleifera leaf extracts (hot water extract) have previously shown [38] high antioxidant action (PF = 4.2). This result was higher than that produced during the present work.…”

Section: Antioxidant Activity Of the Extractsmentioning

confidence: 99%

“…with high antioxidant, antimutagenic and anticarcinogenic properties [38], while different parts of the plant (roots, leaves, flowers, fruits and seeds) contain phytochemicals such as alkaloids, flavonoids, carotenoids, tannins, anthraquinones, anthocyanins and proanthocyanidins [39]. Specific parts of M. oleifera also exert many pharmacological activities such as anticancer, antioxidant, anti-inflammatory, immunomodulatory, antidiabetic, antifungal, antibacterial, hepatoprotective [39], antidyslipidemic, anthelmintic, antihyperglycemic, antimicrobial, antiproliferative, antiulcer and antiurolithiatic activity [40].…”

Section: Introductionmentioning

confidence: 99%

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Pulsed Electric Field Extraction and Antioxidant Activity Determination of Moringa oleifera Dry Leaves: A Comparative Study with Other Extraction Techniques

et al. 2019

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The scope of this work was to determine the possibility of the application of the pulsed electric field (PEF) technique to the production of extracts from Moringa oleifera plant material (freeze-dried leaves). Various PEF conditions (pulse duration—PD; and pulse interval—PI) were tested. A field strength of 7 kV/cm was used. The total phenols in the extracts were evaluated by the Folin–Ciocalteu method and the antioxidant activity was evaluated by the radical scavenging activity (DPPH•), ferric reducing antioxidant power (FRAP) and Rancimat methods. The results were compared with those of the extracts obtained using other extraction techniques, namely microwave-assisted and ultrasound-assisted extractions, simple boiling water extraction, and plain maceration with water (as the control). The highest extraction of total phenols was achieved by the PEF procedure using 40 min treatment at a PD of 20 msec and a PI of 100 μsec. Additionally, all methods for the determination of the antioxidant activity showed that the activity of the extracts was proportional to the total phenol content. Concerning the PEF procedure, a low pulse duration with a high pulse interval is proposed in order to achieve higher extraction efficiency.

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Section: Rancimat Methodsmentioning

confidence: 99%

Section: Antioxidant Activity Of the Extractsmentioning

confidence: 99%

Section: Antioxidant Activity Of the Extractsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Pulsed Electric Field Extraction and Antioxidant Activity Determination of Moringa oleifera Dry Leaves: A Comparative Study with Other Extraction Techniques

et al. 2019

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“…It is commonly known as drumstick, horseradish, or ben oil tree and has been used as food and as traditional medicine for the treatment of diabetes (Gupta, Jain, Kachhwaha, & Kothari, 2017;Jaiswal, Kumar Rai, Kumar, Mehta, & Watal, 2009;Khan, Parveen, Chester, Parveen, & Ahmad, 2017). The leaves of moringa are rich in proteins, vitamins, minerals, beta-carotene, and other bioactive compounds including dietary fiber, flavonoids, phenolic acids, alkaloids, carotenoids, isothiocyanates, glucosinolates, tannins, saponins, oxalates, and phytates (Lalas et al, 2017;Leone et al, 2015;Ma, Ahmad, Zhang, Khan, & Muhammad, 2019). Various animal and human studies have shown that moringa leaves are safe to use (Stohs & Hartman, 2015) and can be eaten fresh, cooked, and stored as dried powder for many months without loss of nutritive value (Madi, Dany, Abdoun, & Usta, 2016).…”

Section: Introductionmentioning

confidence: 99%

Moringa oleiferaand glycemic control: A review of current evidence and possible mechanisms

Ahmad

Khan

Blundell

2019

Phytotherapy Research

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Maintaining glycemic control in diabetes and prediabetes is necessary to prevent many health complications and mortality. Although different hypoglycemic drugs are used for this purpose, there is still a growing interest in the use of medicinal plants due to their low price, easy availability, and fewer or no side effects. Moringa (Moringa oleifera Lam.) is a medicinal plant that has been traditionally used in the management of diabetes. This review aims to present the existing literature published until February 2019 on the role of moringa leaves in glycemia and their physiological mechanisms. In the conducted studies, moringa leaves have shown to reduce glycemia, without causing any adverse effects. The proposed mechanisms for reducing glycemia include inhibition of α‐amylase and α‐glucosidase activities, increased glucose uptake in the muscles and liver, inhibition of glucose uptake from the intestine, decreased gluconeogenesis in the liver, and increased insulin secretion and sensitivity. However, these studies are limited in numbers and mostly conducted in animals, in vitro and in vivo. Therefore, long‐term human studies are required to determine the hypoglycemic effect of moringa leaves, their physiological mechanisms, active ingredients, and safety. Overall, this review provides evidence that moringa leaves have the possibility to be used as a glycemic control agent in diabetes and prediabetes.

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Dielectric investigation of irradiated RBCs and study the role of Moringa leaves extract against radiation damage

Elnasharty

Elwan

2023

Applied Radiation and Isotopes

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Nutritional Characterization of Leaves and Herbal Tea of Moringa oleifera Cultivated in Greece

Cited by 28 publications

References 27 publications

Pulsed Electric Field Extraction and Antioxidant Activity Determination of Moringa oleifera Dry Leaves: A Comparative Study with Other Extraction Techniques

Pulsed Electric Field Extraction and Antioxidant Activity Determination of Moringa oleifera Dry Leaves: A Comparative Study with Other Extraction Techniques

Moringa oleiferaand glycemic control: A review of current evidence and possible mechanisms

Dielectric investigation of irradiated RBCs and study the role of Moringa leaves extract against radiation damage

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