Titlebook: Biotechnology of Vitamins, Pigments and Growth Factors; Erick J. Vandamme Book 1989 Elsevier Science Publishers Ltd 1989 Nucleoside.biotec

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https://doi.org/10.2991/978-94-6239-118-5ch important biopolymers in the hereditary material of organisms whereas other ubiquitous pentoses, .-arabinose and .-xylose, are usually present in the plant cell walls. Why the pentose components of nucleic acids are .-ribose and 2-deoxy-.-ribose is an unresolved problem; .-ribose and its derivatives have been also found widely in nature.

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Lectures on the Geometry of Numbersirect contributions from fungi, algae, and bacteria. Carotenoid production is rarely the main objective of a culture, but colourful products rich in carotenoids are obtained from various plants and algae. The oldest example is saffron (.), still planted in La Mancha, Spain, and elsewhere for the sti

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Lectures on the Geometry of Numbers. In 1831 Wackenroder prepared ‘carotene’ in crystalline form (Isler, 1971), whereas xanthophylls were first isolated from autumn leaves by Berzelius in 1837 (Isler, 1971). Following the main-classical chromatographic experiments of Tswett at the beginning of this century (Isler, 1971), it was soon

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An Introduction to Quantization,y for the proper metabolism of minerals and bone formation, in mammals and birds. Biotechnologically speaking, however, one usually refers to the provitamin, ergosterol (.) the main sterol in yeasts and mycelial fungi. The provitamin may be converted to the proper vitamin (D.) which undergoes furthe

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https://doi.org/10.1007/978-1-4612-0615-6. Subsequent studies have shown that supplementing a fat-free diet with certain essential fatty acids prevents the occurrence of symptoms of fat deficiency. It is now well established that both the .-6 and .-3 polyunsaturated fatty acids (PUFAs) are essential in human nutrition. Current information