Oil content and fatty acid composition of cactus pear seed compared with cotton and grape seed
MT Labuschagne, A Hugo - Journal of food biochemistry, 2010 - Wiley Online Library
MT Labuschagne, A Hugo
Journal of food biochemistry, 2010•Wiley Online LibraryCactus pear is a drought tolerant crop with low agronomic requirements and high water use
efficiency. The fruits contain a large number of seeds. The seed of 11 commercial cactus
pear cultivars were analyzed for oil content and fatty acid composition. The oil content was
relatively low, with a very low palmitic acid content of between 11.4 and 15.9%, considerably
lower than that of cotton oil. Linoleic acid content varied between 61.4 and 68.9%. The α‐
linolenic acid of all the cultivars was less than 1%. The oleic acid content varied between …
efficiency. The fruits contain a large number of seeds. The seed of 11 commercial cactus
pear cultivars were analyzed for oil content and fatty acid composition. The oil content was
relatively low, with a very low palmitic acid content of between 11.4 and 15.9%, considerably
lower than that of cotton oil. Linoleic acid content varied between 61.4 and 68.9%. The α‐
linolenic acid of all the cultivars was less than 1%. The oleic acid content varied between …
ABSTRACT
Cactus pear is a drought tolerant crop with low agronomic requirements and high water use efficiency. The fruits contain a large number of seeds. The seed of 11 commercial cactus pear cultivars were analyzed for oil content and fatty acid composition. The oil content was relatively low, with a very low palmitic acid content of between 11.4 and 15.9%, considerably lower than that of cotton oil. Linoleic acid content varied between 61.4 and 68.9%. The α‐linolenic acid of all the cultivars was less than 1%. The oleic acid content varied between 12.4 and 16.5% (lower than that of cotton seed). Unsaturated fatty acids made up about 80% of all fatty acids. Therefore, although the oil content of the seed was relatively low, the fatty acid composition indicates that it has potential as an oil for the health market.
PRACTICAL APPLICATIONS
Cactus pear cultivation is on the increase in South Africa. Cactus pear is often grown in back gardens and by subsistence farmers. It can be grown in marginal conditions, with a minimum input cost. Fruits are used for human consumption, but markets are not always accessible for small‐scale farmers. If the oil is suitable and has a healthy profile for human consumption, a niche market can be created for the oil. This could benefit these growers and could compete with other niche market products such as grape seed oil.
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