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Optimization of processing parameters for lettuce vacuum osmotic dehydration using response surface methodology

100%

Yuan Y. , Tan L. , Xu Y. , Dong J. , Zhao Y. , Yuan Y.

Polish Journal of Food and Nutrition Sciences

2018

tom 68

nr 1

In order to obtain the optimal technological parameters of lettuce vacuum osmotic dehydration, the effects of osmotic temperature, slice thickness, sucrose concentration, and vacuum degree on the vacuum osmotic dehydration were explored. The lettuce water loss rate and solid gain rate decreased with the increase of slice thickness and vacuum degree, and increased with the increase of sucrose concentration and osmotic temperature. Response surface methodology was applied to analyze the infl uence of the four infl uential factors on the evaluated parameters and the optimization of lettuce vacuum osmotic dehydration was studied. The results indicated that, within the experimental scope, the optimized technological parameters of lettuce vacuum osmotic dehydration are the temperature of 28º C, the slice thickness of 2 mm, sucrose concentration of 47%, the vacuum degree of 22 kPa, and the water loss rate and solid gain rate are 72.16% and 11.82%, respectively.

Molecular characterization and phylogenetic analysis of Taenia multiceps from China

100%

Tan L. , Wang A. B. , Zheng S. Q. , Zhang X. L. , Huang C. J. , Liu W.

Acta Parasitologica

2018

tom 63

nr 4

First survey of parasitic helminths of goats along the Han River in Hubei Province, China

67%

Yang X. , Gasser R. B. , Fang R. , Zeng J. , Zhu K. , Qi M. , Zhang Z. , Tan L. , Lei W. , Zhou Y. , Zhao J. , Hu M.

Acta Parasitologica

2016

tom 61

nr 3

Osteology of the Late Cretaceous alvarezsauroid Linhenykus monodactylus from China and comments on alvarezsauroid biogeography

67%

Xu X. , Upchurch P. , Ma Q. , Pittman M. , Choiniere J. , Sullivan C. , Hone D. W. E. , Tan Q. , Tan L. , Xiao D. , Han F.

Acta Palaeontologica Polonica

2013

tom 58

nr 1

The alvarezsauroid theropod Linhenykus monodactylus from the Upper Cretaceous of Inner Mongolia, China is the first knownmonodactyl non−avian dinosaur, providing important information on the complex patterns of manual evolution seen in alvarezsauroids. Herewe provide a detailed description of the osteology of this taxon. Linhenykus shows a number of fea− tures that are transitional between parvicursorine and non−parvicursorine alvarezsauroids, but detailed comparisons also re− veal that some characters had a more complex distribution. We also use event−based tree−fitting to perform a quantitative analysis of alvarezsauroid biogeography incorporating several recently discovered taxa. The results suggest that there is no statistical support for previous biogeographic hypotheses that favour pure vicariance or pure dispersal scenarios as explana− tions for the distributions of alvarezsauroids across SouthAmerica, NorthAmerica andAsia. Instead, statistically significant biogeographic reconstructions suggest a dominant role for sympatric (or “within area”) events, combined with a mix of vicariance, dispersal and regional extinction. At present the alvarezsauroid data set is too small to completely resolve the biogeographic history of this group: future studies will need to create larger data sets that encompass additional clades.