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Medicinal & Aromatic Plants

Medicinal & Aromatic Plants
Open Access

ISSN: 2167-0412

+44 1300 500008

Abstract

A Review on Extraction of Bioactive Compounds from Moringa oleifera Leaves: Their Principle, Advantages, and Disadvantages

Paveanthan Mehganathan and Nur Ayshah Rosli*

Moringa oleifera, belongs to Moringaceae family, is an indigenous plant and native to North India region. It has been used for centuries as traditional medicine and nutritional supplement. Moringa olefera leaves contain high phenolics and flavonoids compounds as major constituents such as kaempferol, quercetin, caffeoylquinic acid, coumaroylquinic acid, and feruloylquinic acid. The extraction techniques play a critical role in the extraction outcome such as crude extracts yield, type and quantity of compound extracted. To date, there is a wide range of technologies for crude plant extraction such as ultrasound-assisted extraction, microwave-assisted extraction Soxhlet extraction, and dipping (maceration) technique. These extraction techniques employ various types of solvent which could enhance the efficiency of extraction and quality of compound extracted. Hence, this review aims to describe and compare the conventional and novel extraction techniques methods of Moringa oleifera leaves based on the total phenolics content, flavonoids content, and antioxidant activity. The difference based on the extraction process principle, advantages, and disadvantages were further evaluated to show the suitability, environmentally friendly, the economic feasibility of the various extraction methods. From this review, Ultrasound-Assisted Extraction (UAE) and Microwave-Assisted Extraction (MAE) has minimized the processing time which is useful to extract thermolabile compounds, such as phenol compounds. In conclusion, novel extraction techniques could be effectively enhancing the total phenolic compound, flavonoid content, and antioxidant activities of crude extracts, which provides a theoretical basis for upgrading to a large-scale application in the future.

Published Date: 2022-06-17; Received Date: 2022-05-14

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