Alicyclic fatty acids occur naturally in plants, especially certain seed oils, and microorganisms, but only rarely in animal tissues, other than the prostaglandins, which are described elsewhere in these web pages, as are the plant jasmonates. Cyclopropane fatty acids are occasionally reported from marine animals, and some at least may be produced by the animals themselves, although others are ...

Platelets are needed for haemostasis. Platelets adhere to damaged tissue, activation being mediated by exposed collagen, thrombin and ADP. The activated platelets then release compounds that cause vasoconstriction, such as thromboxane A2, and activate the clotting cascade culminating in the formation of a stable fibrin plug. Overactive platelets, however, may play an important role in causing c...

1,4-Dioxane is a stable, clear liquid at ambient temperatures and is miscible with water. It is used primarily as a solvent for chemical processing. It has also been used as a laboratory reagent; in plastic, rubber, insecticides, and herbicides; as a chemical intermediate; as part of a polymerization catalyst; and as an extraction medium of animal and vegetable oils. 1,4-Dioxane may also be fou...

BACKGROUND There is convincing evidence that replacing dietary saturated fats with polyunsaturated fats (PUFA) decreases risk of cardiovascular diseases. Therefore, PUFA rich foods such as vegetable oils, fatty fish, and marine omega-3 supplements are recommended. However, PUFA are easily oxidizable and there is concern about possible negative health effects from intake of oxidized lipids. Litt...

Biodiesel, produced by the transesterification of vegetable oils or animal fats with methanol, is a promising alternative diesel fuel. In this study, a series of strong base anion resins with different basicity, pore structure, degree of cross-linking, and particle size were investigated as heterogeneous catalysts for the transesterification of soybean oil with methanol. A trace amount of CH3ON...

In the Unites States, the production of biofuels is primarily driven by the use of corn for ethanol and soy beans for biodiesel. Unfortunately, the competition for these raw materials has had an adverse effect on the price of food stuffs produced from these crops. The search for alternative and more efficient sources of raw materials for biodiesel production is ongoing. Biodiesel can be made fr...

The present study was carried out to characterize red fruit (Pandanus conoideus Lam) oil (RFO) in term of FTIR spectra, fatty acid composition, and volatile compounds. FTIR spectrum of RFO was slightly different from other common vegetable oils and animal fats, in which in the frequency range of 1750 – 1700 cm-1, RFO appear two bands. The main fatty acid composition of RFO is oleic acid account...

This article contains a general review of current food technologies and their effect on the quality and safety of foods. The uses of these technologies in the context of current and projected world population, urbanization prevention of food losses, preservation and trade of foods, domestically and internationally are briefly reviewed. Technologies discussed are related to food storage, refrige...

Biodiesel, an alternative diesel fuel derived from vegetable oil, animal fats, or ivaste vegetable oils, is obtained by reacting the oil orfat with an alcohol (transesterzfication) in the presence of a basic catalyst to give the corresponding mono-alkyl esters. Two major categories of methods besides other miscellaneous ones have been reported in the literature for assessing biodiesel fuel qual...

Acetone was investigated and found to be an appropriate alternative to Triton X-100 as a solvent of essential oils in bioassays aimed to investigate their effects on pinewood nematode (Bursaphelenchus xylophilus) mortality. Therefore it was used as dilution agent to screen the effectiveness of fifty two essential oils against this pest. Thirteen essential oils were highly effective, resulting i...