scholarly journals Effects of Refining on the Characteristics of Suri Cucumber (Cucumis melo L. var. reticulatus Naudin) Seed Oil

2020 ◽  
Vol 9 (3) ◽  
pp. 185-193
Author(s):  
Hartati Soetjipto ◽  
◽  
Laili Nurrohmah ◽  
Agustinus Ignatius Kristijanto ◽  
◽  
...  

The oil refining of Suri cucumber seed oil has been developed and tested. Crude oil was obtained by using soxhlet extraction in n-hexane, then was refined using chemical method by degumming and neutralization. This study aims are to determine the oil yield before and after refining, the oil’ physicochemical characteristic before and after refining and to determine the oil profile before and after refining by the Gas Chromatography-Mass Spectrometry (GCMS) method. The refining process cause the color of the oil become paler, but do not significantly affect on the water content and density. However, the process effect to decreasing of the acid value (5.547±0 mg NaOH/g oil to 0.5±0.14 mg NaOH/g oil) and the peroxide number (0.5077±0.036meq O2/g oil became 0.145 ± 0.036meq O2/g oil). Conversely, the saponification value increase (224.06±0.69mg KOH/g oil to 240.17±1.74mg KOH/g oil). GCMS analysis shows that refining process have effects on the composition of fatty acid in the oil.

2017 ◽  
Vol 2017 ◽  
pp. 1-8 ◽  
Author(s):  
Trismawati Trismawati ◽  
I. N. G. Wardana ◽  
Nurkholis Hamidi ◽  
Mega Nur Sasongko

Surfactants are essential in the pulp recovery process for the removal of ink on paper to be recycled. In order to create a “green” surfactant, seed oil was extracted from Morinda citrifolia L. by Soxhlet extraction for 4–8 h and its composition evaluated by gas chromatography-mass spectrometry (GC-MS). The total ion chromatogram (TIC) of fatty acids of Morinda citrifolia L. (FAMC) indicated that extraction yields the largest amount of unsaturated fatty acids (UFA), specifically C19H34O2 and C21H38O2, at 6 h. All FAMC fractions were evaluated for their suitability as a surfactant for deinking flotation. FAMC isolated after 6 h of extraction yields fatty acids that are the most suitable surfactants, as the fraction consists of mostly unsaturated fatty acids that show good interactions with the structure of common ink molecules. Our results show that the performance of the FAMC taken after 6 h of extraction approaches that of a synthetic surfactant (SS). The appropriate viscous force for deinking flotation was found to be 1.5–2.0 × 10−4 mg/mm s2 when the synthetic surfactant is used compared to 1.0–1.5 × 10−4 mg/mm s2 for FAMC. The higher intermolecular bonding strength in the synthetic surfactant-ink particle system requires higher viscous force.


2018 ◽  
Vol 81 (8) ◽  
pp. 1231-1239 ◽  
Author(s):  
Francisca Aliny Nunes Silva ◽  
Alexander Alves da Silva ◽  
Nayanny de Sousa Fernandes ◽  
Tigressa Helena Soares Rodrigues ◽  
Kirley Marques Canuto ◽  
...  

2013 ◽  
Vol 8 (3) ◽  
pp. 1934578X1300800 ◽  
Author(s):  
Rachael Dangarembizi ◽  
Eliton Chivandi ◽  
Kennedy Erlwanger

Aloe ferox is an important medicinal plant in Southern Africa whose seeds could be useful as a source of oil. The fatty acid composition of A. ferox seed oil was determined using gas chromatography. The physicochemical properties of the oil were analysed using standard methods. The seeds yielded 19.4% of a light textured oil using the Blight and Dyer's method and 12.3% using the Soxhlet extraction method. The saponification value of the seed oil was 241.9 mg KOH/g and the peroxide value was 8.9 meq/kg. The acid value of the seed oil was 51.5 mg KOH/g (25.9% free fatty acids). The major fatty acids found in the seed oil were linoleic acid (71.8%), oleic acid (12.0%), palmitic acid (11.2%) and stearic acid (2.9%). The results obtained suggest that as A. ferox seed oil is high in linoleic acid, it could be potentially exploited in the cosmetic and pharmaceutical industries.


Author(s):  
Ishaka Aminu ◽  
Aliyu Abubakar Gambo ◽  
Muhammad Hassan Yankuzo

Introduction: Owing to increase demand for safer and health promoting vegetable oils, a number of potential sources are being explored by researchers. Materials and Methods: In this study, oil was extracted using Soxhlet from Sokoto locally grown Cucumis melo L (honeydew melon). Physical and chemical properties (colour, moisture, pH, specific gravity, refractive index, acid value, iodine value, saponification value and peroxide value) of the oil were determined using standard analytical methods by Association of Official Analytical Chemists (AOAC). Results: The results showed the percentage yield of the oil to be 27.46%. Physically, the oil was yellowish in colour, liquid at room temperature, with pH of 6.2 (0.01), specific gravity of 0.89 (0.32), and refractive index of 3.62 (1.0). The saponification, acid, iodine and peroxide values of the oil were 45.81 (5.19), 9.16 (0.21), 64.80 (4.31) and 10.50 (1.50) respectively. Conclusion: The results suggest that the oil has a potential for use as vegetable oil, in industries and, subject to further evaluation of the contents, health promoting purposes.


2020 ◽  
pp. 611-623
Author(s):  
Leila Rezig ◽  
Moncef Chouaibi ◽  
Kamel Msaada ◽  
Salem Hamdi

2019 ◽  
Vol 8 (1) ◽  
pp. 677-682 ◽  
Author(s):  
Mustafa Serhat Ekinci ◽  
Metin Gürü

Abstract Extraction with supercritical carbon dioxide (SC-CO2) which is known as a clean technology was carried out to extract oil from melon (Cucumis melo) seeds. SC-CO2 extraction technique does not contaminate extracts. SC-CO2 is not a toxic and a flammable solvent. Phytosterols, natural and bioactive compounds, which is known to provide protection against various chronic diseases were examined in the seed oil by using gas chromatography – mass spectrometry (GC-MS). Stigmasterol and β-sitosterol were detected in the melon seed oil. SC-CO2 extractions were performed in a range of 30-55°C, 150-240 bar, 7-15 g CO2/min, 0.4-1.7 mm (mean particle size of the seeds) and 1-4 h. The optimal quantities of extracted oil, β-sitosterol and stigmasterol were 36.8 g/100 g seed, 304 mg/ kg seed and 121 mg/ kg seed, respectively, at 33°C, 200 bar, 11 g CO2/min, 0.4 mm and 3 h.


Plants ◽  
2021 ◽  
Vol 10 (10) ◽  
pp. 2166
Author(s):  
Drishti Majithia ◽  
Rita Metrani ◽  
Nitin Dhowlaghar ◽  
Kevin M. Crosby ◽  
Bhimanagouda S. Patil

Cucumis melo L is one of the most commercial and economical crops in the world with several health beneficial compounds as such carotenoids, amino acids, vitamin A and C, minerals, and dietary fiber. Evaluation of the volatile organic compounds (VOCs) in different melon (Cucumis melo L.) breeding lines provides useful information for improving fruit flavor, aroma, and antimicrobial levels. In this study, the VOCs in 28 melon breeding lines harvested in 2019 were identified and characterized using head space solid-phase microextraction (HS-SPME) coupled with gas chromatography-mass spectrometry (GC-MS). This identified 113 VOCs with significant differences in composition and contents of among the breeding lines, including 15 esters, 27 aldehydes, 35 alcohols, 14 ketones, 4 acids, 10 hydrocarbons, 5 sulfurs, and 3 other compounds. The highest average contents of all the VOCs were found in BL-30 (13,973.07 µg/kg FW) and the lowest were in BL-22 (3947.13 µg/kg FW). BL-9 had high levels of carotenoid-derived VOCs. The compounds with the highest contents were benzaldehyde, geranylacetone, and β-ionone. Quality parameters such as color and sugar contents of melons were also measured. All the melon color readings were within the typical acceptable range. BL-22 and BL-14 had the highest and lowest sugar contents, respectively. Principal component analysis (PCA) produced diverse clusters of breeding lines based on flavor and aroma. BL-4, BL-7, BL-12, BL-20, and BL-30 were thus selected as important breeding lines based on their organoleptic, antimicrobial, and health-beneficial properties.


Author(s):  
Umar Hafidz Asy'ari Hasbullah ◽  
Supriyadi Supriyadi ◽  
Budi Setiadi Daryono

Melon (Cucumis melo L.) cv. Gama Melon Parfum (GMP) is the new cultivar from cross-breeding of Natsuno Omoide (NO3) female parent and Miyamauri (MR5) male with phenotypic characteristics that is prominent such as very strong pleasant aroma when ripe. The physiological characteristics will be changed which have an impact on the formation of volatile compounds during fruit development. Therefore, the profile of strong volatile aroma compounds during fruit development to is critical to be identified. The volatile compounds analysis was performed on fruits harvested at 7, 14, 21, 28, and 35 days after pollination and storage at -20°C. Gas chromatography-mass spectrometry (GC-MS) was used for volatile identification. The results showed some volatile compounds changed during fruit development consisted of 8 esters, 2 alcohols, 1 acid, 3 terpenoids, and 3 hydrocarbons. The profile of volatile compounds was dominated by esters, followed by alcohols and acid respectively. Interestingly, the characteristics of the volatile compounds can differentiate between the ripe stage and unripe stage using principal component analysis. The findings of this study can be used to improve the quality aroma of GMP.


2012 ◽  
Vol 524-527 ◽  
pp. 2083-2086 ◽  
Author(s):  
Yi Peng Chen ◽  
Zhen Yi Liang ◽  
Jun Feng Zhang ◽  
An Ju Zhang ◽  
Zhao Hua Lin

The composition of the fatty acids of the extracted seed oil from Sindora glabra was determined by means of gas chromatography-mass spectrometry. And the physicochemical properties of the oil were also analyzed according to the national standards.The results indicated that 14 fatty acid components were identified in seed oil of Sindora glabra,and the content of unsaturated acids was 61.72%,and the main fatty acids were linoleic acid(33.17%),oleic acid(19.80%),Palmitic acid (14.57%),lignoceric acid (5.06%),stearic acid (4.63%),hexacosanoic acid (2.95%), docosanoic acid(2.70%), pentacosanoic acid (2.17%). The physicochemical indexes were as follows relative density 0.9143,acid value 3.905 mg/g, iodine value 109.01 g/100g, saponification value 154.6 mg/g, and index of refraction 1.4753.


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