<i>Cuphea llavea</i> seed oil, a good source of capric acid

Wilson, T. L.; Miwa, Thomas K.; Smith, C. R.

doi:10.1007/bf02632097

Cited by 21 publications

(4 citation statements)

References 3 publications

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“…Cuphea ( Lythraceae ), first discussed in the 1960s as a potential source of fatty acids of medium chain length, , is an annual plant with approximately 260 species being native to the Americas, including the east-central United States, Brazil, and Mexico. Efforts toward commercialization have been ongoing, but issues such as seed shattering (rupturing of the seedpod and release of the seeds contained within onto the ground for germination) have impeded progress.…”

Section: Introductionmentioning

confidence: 99%

Cuphea Oil as Source of Biodiesel with Improved Fuel Properties Caused by High Content of Methyl Decanoate

2009

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Biodiesel, defined as the monoalkyl esters of vegetable oils and animal fats, is an alternative to conventional petroleum-based diesel fuel. Biodiesel has been prepared from numerous common vegetable oils or fats as well as new or less common feedstocks. Major issues facing biodiesel include several technical aspects such as cold flow and oxidative stability as well as availability of sufficient quantities of fuel. Solutions to the technical problems include the use of additives or modifying the fatty ester composition of biodiesel. While esters of oleic acid possess good fuel properties, esters of other fatty acids also exhibit advantageous fuel properties, even surpassing those of oleic acid esters. Decanoic acid has been shown to be an acid whose esters possess good fuel properties. In this work, a vegetable oil containing a high amount (approximately 65%) of decanoic acid, one of the many known varieties of cuphea oil (PSR 23; a cross of Cuphea Viscosissima × C. lanceolata), is reported for the first time as potential biodiesel feedstock. The methyl esters of cuphea oil (biodiesel) were prepared by conventional transesterification, and the 1 H NMR spectrum of cuphea methyl esters is reported. The significant fuel properties influenced by fatty ester composition such as cetane number, kinematic viscosity, cold flow, as well as lubricity were determined and evaluated in comparison to biodiesel fuel standards. Cuphea methyl esters generally display more favorable fuel properties than do biodiesel fuels derived from other feedstocks due to the high content of methyl decanoate and as expressed by a cloud point around -9 to -10 °C. Although cuphea oil faces significant technical issues regarding its commercial availability, it appears to be a good potential feedstock for biodiesel and can serve as a model for other potential feedstocks with high decanoic acid content. † Disclaimer: Product names are necessary to report factually on available data; however, the USDA neither guarantees nor warrants the standard of the product, and the use of the name by USDA implies no approval of the product to the exclusion of others that may also be suitable.

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Section: Introductionmentioning

confidence: 99%

Cuphea Oil as Source of Biodiesel with Improved Fuel Properties Caused by High Content of Methyl Decanoate

2009

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“…The United States imports over one billion pounds of palm oils annually because historically there has been no convenient domestic source for these useful materials. However, seed oils of many species of the genus Cuphea contain medium-chain fatty acids. − For instance, Cuphea painteri Rose (Lythraceae) seed oil is rich in octanoic (caprylic) acid (73%), C. koehneana Rose (Lythraceae) oil is rich in decanoic (capric) acid (95%), and C. carthagenensis (Jacq.) Macbr.…”

Section: New Crops As Sources Of Industrial Raw Materialsmentioning

confidence: 99%

“…However, seed oils of many species of the genus Cuphea contain medium-chain fatty acids. [10][11][12] For instance, Cuphea painteri Rose (Lythraceae) seed oil is rich in octanoic (caprylic) acid (73%), C. koehneana Rose (Lythraceae) oil is rich in decanoic (capric) acid (95%), and C. carthagenensis (Jacq.) Macbr.…”

Section: New Crops As Sources Of Industrial Raw Materialsmentioning

confidence: 99%

Plant Seeds as Sources of Potential Industrial Chemicals, Pharmaceuticals, and Pest Control Agents

Powell

2009

J. Nat. Prod.

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Investigations of natural products isolated from seeds have resulted in a remarkable variety of compounds having unusual structures. Seeds of many plant species contain uncommon fatty acids and lipids, some of which have found uses in the cosmetic industry or as renewable (non-petroleum based) industrial raw materials. In addition to proteins and energy storage substances such as carbohydrates and lipids, seeds generally contain, or have the ability to produce, protective compounds that are active as plant growth regulators, fungicides, insecticides, and repellents of herbivores; seeds occasionally contain compounds that are toxic to most other organisms. These compounds may also be present in other plant parts, but often are found at higher concentrations in seeds. Other compounds of interest have been associated with plant-endophyte interactions that are of mutual benefit to both organisms. Tests of seed extracts for cytotoxic and antitumor activity, toxicity to insects, and relationships to several animal disease syndromes have been revealing. Examples of compounds isolated from plant seeds that have served as lead compounds for additional research, or that continue to be of interest to researchers in multiple areas, are reviewed.

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“…Research interests have centered on cuphea primarily for its seeds which have a high content of unique fatty acids [3,10,11]. The predominant fatty acids include caprylic acid (C8), capric acid (C10), lauric acid (C12) and myristic acid (C14).…”

Section: Introductionmentioning

confidence: 99%

Cuphea Seed Oil as a Potential Alternative Natural Source of Medium-chain Triglycerides used for Healthier Cooking Applications

Farag

Hashem

Naser

et al. 2021

AJACR

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Cuphea is a potential new oilseed crop for temperate regions of the USA. It produces and stores in its seeds medium chain length fatty acids, which currently are derived commercially from seeds of tropical palms. Cuphea seeds contain more than 30% of oil rich in medium-chain fatty acids, caprylic, capric, lauric, and myristic fatty acids (C8:0-C14:0). . In this paper, we through the light on Cuphea seed oils as the only naturally cultivated seed oils that contain the most prominent Medium-chain triglycerides (MCT). MCTs oils are trended in the last 20 years as the healthier dietary oil which is essentially nontoxic, noncarcinogenic, and nonmutagenic for human consumption. MCTs are readily hydrolyzed by digestive enzymes, and the fatty acid end products are rapidly absorbed into the bloodstream [1]. The gross energy content of MCTs is 8.3 kcal/g vs 9 kcal/g for fat or Long-chain triglycerides oils (LCTs oils). The objective of this study was to introduce to the global edible oils industries an innovative potential natural healthier edible oil which contains that majority of its triglyceride compositions is based on medium-chain glycerides (MCT) with avoiding any chemical conversion process to get the MCT rich oils from tropical oils. It will be a basis for a lot of further researches to make its characteristics fulfilling all other nutritional and application needs of healthy cooking applications better than conventional seed or tropical oils.

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Cuphea llavea seed oil, a good source of capric acid

Cited by 21 publications

References 3 publications

Cuphea Oil as Source of Biodiesel with Improved Fuel Properties Caused by High Content of Methyl Decanoate

Cuphea Oil as Source of Biodiesel with Improved Fuel Properties Caused by High Content of Methyl Decanoate

Plant Seeds as Sources of Potential Industrial Chemicals, Pharmaceuticals, and Pest Control Agents

Cuphea Seed Oil as a Potential Alternative Natural Source of Medium-chain Triglycerides used for Healthier Cooking Applications

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