Enzymatic Conversion of Linoleic Acid to 10d-Hydroxy-Δ12-cis-octadecenoic Acid
نویسندگان
چکیده
منابع مشابه
Conversion of Linoleic Acid Hydroperoxide to Hydroxy,
We have carried out a study of the reaction of 13Irydroperoxy-9-cis, 11-trans-octadecadienoic acid (linoleic acid hydroperoxide) with hematin. The major products are erythro-ll-hydroxy-l2,13-epoxy-S-octadecenoic acid, threo11-hydroxy12,13-epoxy-9-0~tadecenoic acid, 9,12,13-trihydroxy-lO-octadecenoic acid, 13-keto-9,ll-octadecadienoic acid, and 13-hydroxy-9,ll-octadecadienoic acid. Several minor...
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Reports from this laboratory have described the formation of palmitoleic and oleic acids from their saturated counterparts by enzyme systems of yeast (2, 3). For introducing a double bond into the 9,lO position of the aliphatic chain, the desaturating enzymes, acting on the coenzyme A derivatives of the fatty acids, require reduced triphosphopyridine nucleotide, and molecular oxygen as hydrogen...
متن کاملcis-12-0ctadecadienoic Acid From Linoleic Acid
Lipoxygenase from the germ of corn, Zea mays, oxidized linoleic acid to primarily 9-D-hydroperoxy-trans-lO,cis-12octadecadienoic acid.
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Although the probability that homogentisic acid is an intermediate in the conversion of phenylalanine and tyrosine to acetoacetate is indicated by many experiments with humans (l-5), animals (6-9), and tissue preparations (lO-13), no direct evidence has been reported concerning the mechanism of its oxidation. However, the formation of /?-ketoadipic acid from phenol in the presence of cholera Vi...
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Previous studies of the physiology of an aromatic-deficient mutant strain of Neurospora crassa, Y7655a (1, 2), have led to the following conclusions: (a) The biosynthesis of the aromatic rings of phenylalanine, tyrosine, tryptophan and p-aminobenzoic acid proceeds in Neurospora as it does in Escherichia coli (3) via 5-dehydroshikimic acid and shikimic acid. (b) Protocatechuic acid, the major co...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1970
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)62922-9