期刊
FOOD SCIENCE AND TECHNOLOGY
卷 41, 期 -, 页码 399-413出版社
SOC BRASILEIRA CIENCIA TECNOLOGIA ALIMENTOS
DOI: 10.1590/fst.19620
关键词
castor oilseed; fatty acids; phytosterols; ricinoleic acid; tocopherols
资金
- National Natural Science foundation of China [31271759]
- Guangdong provincial science and technology projects (China) [2013b060400024, 2014a020208116, 2016a020208015]
- program for scientific research start-up funds of Guangdong Ocean University [521202290]
- project of enhancing school with innovation of Guangdong Ocean University, (China) [GDOU 2013050206]
The increasing demand for vegetable oils due to population growth has led to a recognition of the high nutritive value of plant-based oils. Castor oil, in particular, stands out for its unique ricinoleic acid and bioactive compounds, offering oxidation stability, anti-inflammatory, and antioxidant properties. The chemical composition of castor oil, including triglycerides, fatty acids, and bioactive compounds, contributes to its high quality compared to other vegetable oils.
Increasing world population has markedly increased the demand for vegetable oils for domestic and industrial purposes. Plant-based vegetable oils have been identified as one of the oils with high nutritive value. Castor plant is one of the oilseed with rich oil content owing to its high monounsaturated fatty acid and bioactive compounds. Its fatty acid profile constitutes mainly of ricinoleic acid and other minor acids such as stearic, palmitic, and oleic acid. Ricinoleic acid of castor oil is unique among all other vegetable oils, making it attractive for a wide spectrum of applications. The predominant triglyceride component in the oil is triricinolein. Minor biological compounds including carotenoid, tocopherol, tocotrienol, phytosterol, phospholipid, phytochemical, and phenolic compounds are present in castor oil. These compounds offer oxidation stability, anti-inflammatory, and antioxidant properties to the oil. The acid, anisidine, iodine, viscosity, and saponification values indicate that castor has good oil quality compared to other vegetable oils. Castor oil composition is influenced by the area of production and method of extraction adopted. The chemical structure of castor oil is centered on the ricinoleic acid and three major functional groups linked by glycerol moiety. More research on the oil's component is being investigated nevertheless efficient and eco-friendly extraction methods are required. This review, therefore, summarizes the castor oil composition namely the triglyceride, various fatty acids and bioactive compounds, extraction methods, as well as its physicochemical properties.
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