Evaluation of green extraction processes, lipid composition and antioxidant activity of pomegranate seed oil

Punica granatum L (pomegranate) is a deciduous shrub, native to Iran. Nowadays, besides its use as a fruit, its medicinal properties have attracted the interest of researchers of many countries. Pomegranate fruit has medicinal properties such as anti-inflammatory and antibacterial activities. The pomegranate seed oil has inhibitory effect on skin and breast cancers. The pomegranate seed oil has phytoestrogenic compounds and the fruit is rich in phenolic compounds with strong antioxidant activity. Ellagic acid is one of the main components of pomegranate with phenolic structure and antioxidant activity. This review article presents the recently published findings on different aspects of this plant focusing on its medicinal properties

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Composition of Fatty Acids and Antioxidant Activity of Pomegranate Seed Oil CV. 'Molar'

Journal of Experimental Agriculture International ◽

10.9734/jeai/2019/v37i330267 ◽

2019 ◽

pp. 1-9

Author(s):

Ágda Malany Forte De Oliveira ◽

Railene Hérica Carlos Rocha Araújo ◽

Kalinny de Araújo Alves ◽

Elny Alves Onias ◽

Roberlúcia Araújo Candeia ◽

...

Keyword(s):

Fatty Acids ◽

Antioxidant Activity ◽

Fruit Development ◽

Seed Oil ◽

Biologically Active ◽

Punicic Acid ◽

Omega 3 ◽

Pomegranate Seed Oil ◽

Randomized Design ◽

Pomegranate Seed

Aims: Pomegranate has been used since ancient times as a universal therapeutic agent due to the presence of biologically active ingredients in different parts of the plant. Pomegranate seed oil is considered a nutraceutical because of its rich composition. Therefore, this work aimed to study the main changes in the composition of fatty acids and antioxidant activity of pomegranate seed oil (cv. Molar) in different stages of fruit development. Study design: Completely randomized design. The treatments were the ages (60, 70, 80, 90 and 100 days), counted from the beginning of the anthesis. For each harvest a random sampling of five fruits was used for each repetition, and four replications per stage of fruit development were performed totaling 20 fruits per treatment. Place and Duration of Study: The research was carried out in partnership with the farm Águas de Tamanduá, located in Várzeas de Sousa, PB, (longitude 38°13'41" and latitude 06°45'33"). Methodology: The characterization of the phenological phases of pomegranate (Molar cv.) development was carried out at the beginning of the orchard. Vigorous and healthy adult plants were selected. Hermaphrodite flowers were marked, evenly distributed in the area, with colored tape resistant to high temperature, sunshine, winds and rains. The marking of the flowers occurred in the early hours of the morning, and at the time of the marking, thinning of flowers was carried out on branches that had two or more flowers at the apex, leaving only a single flower on the branch. Seed oil was extracted from a sample of 20 fruits at different stages of development: 60, 70, 80, 90 and, 100 days counted from the start of the anthesis. Results: The general composition of the oil of pomegranate seeds cv. Molar, regardless of the stage of fruit development, takes the order of PUFA> SFA> MUFA, with a higher content of polyunsaturated fatty acids (omega 3 and 6), and after saturated and monounsaturated, and low concentrations of total Trans Isomers. Conclusion: The best periods for the consumption of pomegranate seed oil are between 80 and 90 days due to the higher amount of unsaturated acids and punicic acid, and lower concentrations of palmitic acid, as well as a higher concentration of phenolic compounds. The method of DPPH, with methanol extractor identifies the antioxidant activity of pomegranate seed oil, however not efficiently.

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In Vitro Estimation of Photo-Protective Potential of Pomegranate Seed Oil and Development of a Nanoformulation

Current Nutrition & Food Science ◽

10.2174/1573401314666180223134235 ◽

2019 ◽

Vol 15 (1) ◽

pp. 87-102 ◽

Cited By ~ 2

Author(s):

Surbhi Dhawan ◽

Sanju Nanda

Keyword(s):

Particle Size ◽

Zeta Potential ◽

Seed Oil ◽

Topical Delivery ◽

Inflammatory Activity ◽

Pomegranate Seed Oil ◽

Protective Potential ◽

Release Studies ◽

Pomegranate Seed

Background: Since ancient times, people have been using natural resources for photoprotection purposes. One such highly recognised natural agent is pomegranate seed oil, considered as wonder oil owing to the presence of several beneficial phytoconstituents. Objective: The study aimed to establish the photoprotective potential of pomegranate seed oil through various in vitro and biochemical studies along with the formation of nanoemulsion, an efficient topical delivery system for the oil. Method: Photo-protective potential of the oil was estimated by determining in vitro antioxidant and anti-inflammatory activity, total phenolic content, anti elastase, antihyaluronidase and anticollagenase activities of the oil. Ultrasonication method was used to formulate nanoemulsions. The optimisation was done following the central composite design. The characterisation was done by particle size analysis, zeta potential, polydispersity index, pH, viscosity, stability testing and transmission electron microscopy. The optimised nanoemulsion was loaded into a gel base for topical application and further release studies were carried out. Results: The IC50 values of anti-elastase, anti-collagenase and anti-hyaluronidase were found to be 309 mg/ml, 4 mg/ml and 95 mg/ml respectively. The results of anti-oxidant and anti-inflammatory activity were also significant, which thereby established the photo-protective potential of the oil. The optimum batch 2 had particle size 83.90 nm, 0.237 PDI and -5.37 mV zeta potential. The morphology was confirmed by TEM. Batch 2 was incorporated into a gel base and release studies showed 74.12 % release within 7 hours. Conclusion: Pomegranate seed oil possesses a potential photo-protective ability. Nanoemulsions proved to be a promising carrier for the topical delivery of the oil.

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