Minor compounds

The first edition of Food Lipids was published in 1998 and the second edition in 2002 by Marcel Dekker, Inc. Taylor & Francis Group, LLC, acquired Marcel Dekker and the rights to publish the third edition. We firmly believe that this book has been of interest and will help those involved in lipid research and instruction. Many have bought the previous editions and we thank you for your support. The need to update the information in the second edition cannot be overstated, as more data and new technologies are constantly becoming available.

928p cronus75 14-01-2013 51 22   Download

We decided to use continuous monitoring to improve shipping throughput (speed) and accuracy. Our goals included the elimination of the annual physical inventory—but this was a minor benefit. The real benefit was efficiency of the distribution operation—speed in picking and shipping product with less staff, every day of the year. We built an inventory locator system and improved automated efficiencies by adding locations to the pick tickets. We then added a control function (Inventory Control Dept. [ICD]) that reviewed inventory received, and released it into the inventory.

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B-Sitosterol, stigmasterol and a minor compound 5,6-dehydrokawain were isolated from the ethanol extract of the rhizomes of Alpinia globosa, a medicinal plant of Vietnam. The paper provides characteristic spectra and HPLC profile of the natural -pyrone 5,6- dehydrokawain that would be useful for the purpose of fast determination of this bioactive compound in plant extracts.

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Introduction: Determination of methemoglobin (Met-Hb) in blood is important for the diagnosis of poisoning by oxidants, such as nitrite, nitrate, chlorate, chlorite, alkyl nitrites, nitroglycerin, aniline and other compounds. In 1938, Evelyn and Malloy [1] had devised a photoelectric method for determination of Met-Hb in blood. Minor modifications of this method were made by several researchers to increase sensitivity [2–4]. These methods are based on a phenomenon that the absorbance maximum of weakly acidic Met-Hb at 630 nm disappears by addition of cyanide.

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Introduction: The aconite plants contain Aconitum alkaloids (AAs) and other minor components, such as chasmanine, kobusine and higenamine. AAs consist of aconitines, benzoylaconines and aconines as shown in Figure 1.1. The most toxic group is the aconitines, including aconitine, mesaconitine, hypaconitine, and jesaconitine; this group is one of the most poisonous compounds being contained in the plant kingdom. Even nowadays, aconite poisoning cases take place occasionally. These may be due to accidental, suicidal or homicidal ingestion of the plant itself or its extracts.

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Phthiocerol dimycocerosates and related compounds are important mole-cules in the biology of Mycobacterium tuberculosis, playing a key role in the permeability barrier and in pathogenicity. Both phthiocerol dimyco-cerosates, the major compounds, and phthiodiolone dimycocerosates, the minor constituents, are found in the cell envelope ofM. tuberculosis, but their specific roles in the biology of the tubercle bacillus have not been established yet.

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GSK837149A has been identified as a selective inhibitor of human fatty acid synthase (FAS). The compound was first isolated as a minor impurity in a sample found to be active against the enzyme in a high-throughput screening campaign.

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