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Oxidative Stability, Structure, and Physical Characteristics of Microcapsules Formed by Spray Drying of Fish Oil with Protein and Dextrin Wall Materials (2003)

Kagami, Y. ; Sugimura, S. ; Fujishima, N. ; [et al.]

Oxford, UK : Blackwell Publishing Ltd

Journal of food science 68 (2003), S. 0

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ISSN: 1750-3841

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology

Notes: : Maltodextrins and a highly branched cyclic dextrin (HBCD) were tested for their ability to serve as wall materials for microcapsules with proteins. HBCD or a maltodextrin of DE18 with sodium caseinate (SC) improved the oxidative stability of encapsulated fish oil; however, the DE18/SC wall system had 2 disadvantages: browning induced by the Maillard reaction and agglomeration. The oil load level and the selection of dextrin strongly affected the outer topography and the inner structure, as well as the ratio of the oil to dextrin on the surface of the microcapsules. It is stated that drying speeds of dextrin and oil load levels were shown to be likely related to the structural difference in the microcapsules.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1365-2621.2003.tb05755.x

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A long-range physical map of human Chromosome 21q22.1 band from the YAC continuum (1996)

Eki, T. ; Abe, M. ; Furuya, K. ; [et al.]

Springer

Mammalian genome 7 (1996), S. 303-311

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ISSN: 1432-1777

Source: Springer Online Journal Archives 1860-2000

Topics: Biology , Medicine

Notes: Abstract. The human Chromosome (Chr) 21q22.1 region contains several genes for cytokines and neurotransmitters and the gene for superoxide dismutase (mutant forms of which can cause familial amyotrophic lateral sclerosis). A region of approximately 5.8 Mb encompassing D21S82 and the glycinamide ribonucleotide transformylase (GART) loci was covered by overlapping YAC clones, which were contiguously ordered by clone walking with sequence-tagged site (STSs). A total of 76 markers, including 29 YAC end-specific STSs, were unambiguously ordered in this 5.8-Mb region, and the average interval between markers was 76 kb. Restriction maps of the YAC clones with rare-cutting enzymes were simultaneously prepared, and the restriction sites were aligned to obtain a consensus restriction map of the proximal region of the 21q22.1 band. The restriction map made from 44 overlapping YACs contains 54 physically assigned STSs. By integrating the consensus map of the adjacent 1.8-Mb region, we obtained a fine physical map spanning 6.5 Mb of human Chr 21q22.1. This map contains 24 precisely positioned end-specific STSs and 12 NotI-linking markers. More than 39 potential CpG islands were identified in this region and were found to be unevenly distributed. This physical map and the YACs should be useful as a reference map and as a resource for further structural analysis of the Giemsa-negative band (R-band) of Chr 21q22.1.