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2017年01月04日

【期刊论文】壳聚糖和氯化钙作用形成稳定的碳酸钙-可溶果胶纳米结构,从而延长鲜切蜜瓜保质期

杨宏顺, Jia Xin Chong , Shaojuan Lai , Hongshun Yang

Food Control,2015,53(-):195-205

2015年03月03日

摘要

Effects of chitosan, calcium chloride, and their combination on preventing quality and safety deterioration of postharvest fresh-cut honeydew melon at 7 C were investigated. Treatments of all these three delayed weight loss, improved firmness, delayed colour changes and moderately inhibited microbial growth. Interestingly, combined treatment of chitosan and calcium chloride was the most effective, leading to 40% less weight loss, 45% (3.70 N) increase in firmness, less overall colour difference, and more than 0.5 log CFU/g inhibition on mesophilic and psychrotropic growths on day 13 of storage as compared to control group. In addition, these treatments also inhibited degradation of pectin chains. Nanostructural analysis of fruit pectin via atomic force microscopy (AFM) indicated that firmness was closely related to the nanostructure of sodium carbonate-soluble pectin (SSP). Short and narrow SSP chains were observed more in samples with less firmness. We conclude that edible coating of chitosan combined with calcium chloride treatment synergistically extends the shelf-life of fresh-cut honeydew melon by maintaining the integrity of SSP via interactions between SSP and calcium ions or protonated chitosan groups.

关键词: 可食用包覆涂层, 原子力显微镜(ATM), 壳聚糖 , 氯化钙 , 甜瓜, 果胶;Edible coating, Atomic force microscopy (AFM) Chitosan, Calcium chloride, Melon, Pectin

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2016年12月21日

【期刊论文】鱼胶结合和壳聚糖可以有效抑制金昌鱼片在冷藏过程中肌原纤维的降解。

杨宏顺, Xiao Feng, Nidhi Bansal, Hongshun Yang

Food Chemistry,2016,200(-):283-292

2016年01月11日

摘要

Coating of gelatin and chitosan can improve fish fillet’s quality, but the mechanism is not clear. Chitosan/gelatin coatings significantly prevented deterioration of golden pomfret fillet at 4 C. Chitosan with 7.2% gelatin group showed the best effect on preserving the length of myofibril, which remained greater than 15 lm at day 17 of storage, while for control, chitosan and chitosan combined with 3.6% gelatin group, it was 5.03, 10.04 and 9.02 lm, respectively. The MALDI-TOF MS result revealed that the coatings slowed down the protein deterioration of fillet. On days 13 and 17, the myosin light chain and myoglobin in control group degraded, while the two proteins still existed in chitosan/gelatin coated groups. Overall,the chitosan with 7.2% gelatin coating had the best effect on preserving fillet’s quality during storage.The coating may exert its protective effect via inhibiting myofibril degradation within fillet.

关键词: 可食包衣, 明胶, 壳聚糖, 基质辅助激光解析电离, 飞行时间质谱, 原子力显微镜, 肌原纤维, 肌球蛋白轻链, 肌红蛋白;Edible coating, Gelatin, Chitosan, Matrix assisted laser desorption ionisation, time of flight mass spectrometry (MALDITOF-MS, Atomic force microscopy (AFM) Myofibril, Myosin light chain, Myoglobin

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2016年12月09日

【期刊论文】添加明胶提高煮鱼圆中营养保持、质地和传质但不影响纳米结构

杨宏顺, Xiao Feng, Caili Fu, Hongshun Yang

LWT-Food Science and Technology,-0001,():

摘要

暂无

关键词: 模型, 明胶, 纤维蛋白, 鱼圆, 原子力显微镜

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2017年03月10日

【期刊论文】真空浸渍结合乳酸钙处理对巨峰葡萄坚实度多糖形态的影响。

杨宏顺, Mao J, Zhang L, Chen F*, Lai S, Yang B, Yang H*

Food and Bioprocess Technology,-0001,():

摘要

暂无

关键词: 真空浸渍, 葡萄, 坚实度, 钙, 果胶, 纳米结构, 原子力显微镜

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2017年01月04日

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2017年05月02日

【期刊论文】采用豌豆蛋白研发一种适合蛋奶素食主义者使用的无蛋蛋糕

杨宏顺, Muyang Lin , Siang Hong Tay , Hongshun Yang, *, Bao Yang , Hongliang Li

Food Hydrocolloids,2017,69(-):440-449

2017年10月03日

摘要

Cakes are important confectionery and are enjoyed socially within groups. Eggs are important components of cakes, providing emulsification, flavour, colour, and many other properties. However, because of various health concerns and religious beliefs, some consumers cannot enjoy traditional cakes made with eggs. In the current study, isolated pea protein (PPI), xanthan gum (XN), and emulsifier mixtures were investigated to prepare eggless cakes and their roles were determined. The physicochemical properties of the batter and final cake products, the microstructure of the final cakes, and structural properties of starches and glutens at the meso-scale were characterised. The eggless cake recipe containing PPI, 0.1% XN and 1% soy lecithin (SL) was found to be close to the control traditional cakes in terms of specific gravity (1.01 vs. 1.03), crumb colour (a* at 0.09 vs. 0.04), and crumb pore properties (average pore area both 0.20 mm2). Cakes with formulation R4 were most similar to the control cakes with respect to the 1047/1022 relative intensity of the IR spectra of starches (both 0.55) and the nanostructures of glutenins. Therefore, formulation PPIþ0.1% XNþ 1% SL was considered as a potential candidate recipe for substituting eggs in cakes.

关键词: 蛋糕, 豌豆蛋白, 黄原胶, 乳化剂, 傅里叶变换红外光谱, 原子力显微镜;Cake, Pea protein, Xanthan gum, Emulsifier, Fourier transform infrared spectroscopy (FTIR), Atomic force microscopy (AFM)

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2017年05月02日

【期刊论文】大豆分离蛋白和多糖替代鸡蛋,制作适合素食主义者的金黄蛋糕

杨宏顺, Lin M, Tay SH, Yang H*, Yang B, Li H.

Food Chemistry,2017,229(-):663-673

2017年09月27日

摘要

To evaluate the feasibility of substituting eggs in yellow cake by a mixture of soybean proteins, plant polysaccharides, and emulsifiers, the batter properties, including specific gravity and viscosity; cake properties, including specific volume, texture, colour, moisture, microstructures, and structural properties of starch and glutens of the replaced cake and traditional cake containing egg, were evaluated. Replacing eggs with a soy protein isolate and 1% mono-, di-glycerides yielded a similar specific volume, specific gravity, firmness and moisture content (1.92 vs. 2.08 cm3/g, 0.95 vs. 1.03, 319.8 vs. 376.1 g, and 28.03% vs. 29.01%, respectively) compared with the traditional cakes baked with eggs. Structurally, this formulation comprised dominant gliadin aggregates in the size range of 100–200 nm and glutenin networking structures containing fewer but larger porosities. The results suggest that a mixture of soybean proteins and emulsifier is a promising substitute for eggs in cakes.

关键词: 无蛋蛋糕, 大豆分离蛋白;乳化剂;面糊;傅里叶变换红外光谱;原子力显微镜;原料替换;淀粉;eggless cakes; soybean protein isolate; emulsifier; batter; Fourier transform infrared spectroscopy (FTIR); atomic force microscopy (AFM); Ingredient substitution; starch

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2010年12月15日

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2010年11月30日

【期刊论文】Evidence of DNA-Ligand Binding with Different Modes Studied by Spectroscopy

王雪梅, Xue Mei WANG*, Xian Lun JIANG, Zu Hong LU, Hong Yuan CHEN

Chinese Chemical Letters Vol. 11, No.2, pp. 147-148, 2000,-0001,():

摘要

暂无

关键词: atomic force microscopy (, AFM), ,, absorption spectroscopy,, fluorescence,, DNA interaction

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2010年11月30日

【期刊论文】A Study of the Probe Effect on the Apparent Image of Biological Atomic Force Microscopy

王雪梅, Xue Mei WANG, *, Lei QIN, Long BA, Zu Hong LU

Chinese Chemical Letters Vol. 12, No.12, pp 1113-1114, 2001,-0001,():

摘要

暂无

关键词: Atomic force microscopy (, AFM), ,, absorption,, DNA recognition.,

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2009年05月18日

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2007年11月30日

【期刊论文】Electrostatic Interaction between Ionic Polymer Grafted Surfaces Studied by Atomic Force Microscopy

张峻峰, JUNFENG ZHANG, EMIKO UCHIDA, YOSHIKIMI UYAMA, YOSHITO IKADA

JOURNAL OF COLLOID AND INTERFACE SCIENCE 188, 431-438 (1997),-0001,():

摘要

暂无

关键词: surface graft polymerization, surface force, ionic interaction, atomic force microscopy (, AFM),

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2006年12月06日

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2006年07月21日

【期刊论文】Terraces on Banded Spherulites of Polyhydroxyalkanoates

张增民, JUN XU, BAO-HUA GUO, GUO-QIANG CHEN, ZENG-MIN ZHANG

J Polym Sci Part B: Polym Phys 41: 2128-2134, 2003,-0001,():

摘要

暂无

关键词: polyester, spherulite, atomic force microscopy (, AFM), terraces, wettability

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2005年02月24日

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2009年05月18日

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2018年05月29日

【期刊论文】Structural Modification of Fish Gelatin by the Addition of Gellan, κ-Carrageenan, and Salts Mimics the Critical Physicochemical Properties of Pork Gelatin

Li Cheng Sow, Karmaine Kong, Hongshun Yang

Journal of Food Science,2018,83(5):1280-1291

2018年05月01日

摘要

Pork gelatin is not suitable for halal and kosher application; however, fish gelatin (FG) can be modified for use as a pork gelatin (PG) mimetic. Herein, low-acyl gellan (GE), κ-carrageenan (KC), and salts (CaCl2 or KCl) were combined with a 180 Bloom tilapia FG. A formulation comprising 5.925% (w/v) FG + 0.025% (w/v) GE + 3mM CaCl2 best matched the physicochemical properties of PG. The modification increased the FG gel strength from 115 ± 2 to 149 ± 2 g (matching the 148 ± 2 of PG), while the Tm increased from 27.9 ± 1.0 to 32.4 ± 0.8 °C (matching the 33.1 ± 0.3 °C of PG). Nanoaggregates (diameter between 150 and 300 nm) could be an important structural factor affecting the physicochemical properties, as both PG and GE-modified FG showed a similar frequency distribution in this size group (57.4 ± 1.6% (PG) compared with 56.3 ± 2.2% (modified FG)). To further explore the differences between KC and GE in modifying of FG’s structure, the FG-KC and FG-GE gels were compared. The zeta potential and Fourier transform infrared (FTIR) spectroscopy results for the FG-KC gel supported an associative interaction with complex formation, as indicated from the large aggregates and amorphous phase under atomic force microscopy (AFM). Contrastingly, a segregative FG-GE interaction took place in presence of CaCl2. These structures and interaction differences between FG-GE and FG-KC influenced the macro-properties of FG, possibly explaining the differences in the modification of the melting temperature of FG. A diagram representing the interaction-structure-physicochemical properties was proposed to explain the differences between the FG-GE and FG-KC gels.

关键词: atomic force microscopy (, AFM), carrageenan, gelatin, gellan, nanostructure

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