Assessment of Some Extracted Vegetable Oils from Nonconventional Sources

Document Type : Original Article

Author

Faculty of agriculture in El azhar university

Abstract

In the last years a rising in demands of oil has been notes. therefore, people start searching for new oil sources to cover their demand. Three types of seed oil were investigation, pumpkin seed oil, roselle seed oil and apricot seed oil, the ratio of oil in seed was 34.82%, 23.09% and 40.15%, respectively. The oil of seed was found to be unsaturation oil, whereas, unsaturated fatty acid ratio reached to 79.21, 82.24, 93.29, respectively. The oil of each seed had a very high content of phenolic acids. Total phenolic content of pumpkin was (209 µg gallic acid/ 1g oil), TPC of roselle was (115.50 ± 13.92 µg gallic acid/ 1g oil), TPC of apricot was (365.8 ± 47.3 µg gallic acid/ 1g oil). Also, high content of tocopherol was found in each type. Total Tocopherol content of pumpkin, roselle, apricot, was (250,298 and 159 mg\kg oil), respectively, these results revealed that this vegetable oil are a source for nutritional components like antioxidant and vitamins. Also, they can be used as edible oil.

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Al-Azhar Journal of Agricultural Research
Volume 48, Issue 3 - Serial Number 3
Special Issue: Agriculture and Futuristic Challenges (Food Security: Challenges and Confrontation)
October 2023
Pages 416-426

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