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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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2021年05月10日

【期刊论文】Nanostructural analysis and textural modification of tilapia fish gelatin affected by gellan and calcium chloride addition

Li Cheng Sow, Yang Hongshun, Li Cheng Sow, Yang Hongshun

LWT-Food Science and Technology,2017,85(-):137-145

2017年07月11日

摘要

Fish gelatin (FG) is more suitable for consumption by religious people than mammalian gelatin. One common modification method of FG is mixing FG with polysaccharides. However, the mechanism is not clear. We found that FG gel containing 0.1 g/100 mL gellan, 20 mmol/L CaCl2 and 6.67 g/100 mL FG (180 Bloom) matched gel strength, hardness, cohesiveness, chewiness as well as gelling temperature (Tg) and melting temperature (Tm) of commercial beef gelatin (BG) (240 Bloom). The modified FG was also observed by the result of helix/coil ratio and spherical aggregates. The modification decreased the diameter of FG's aggregates from 472 to 249 nm, which matched with BG (272 nm, P < 0.05). Co-existence of segregative gellan-gellan fibrous aggregates and associated FG-gellan amorphous structure were also identified at the modified FG by atomic force microscope (AFM). The helix/coil ratio and diameter of spherical aggregates were inversely correlated, the mechanism behind was the strength of gelatin association. The involvement of hydrogen bond and presence of FG-gellan complex have been validated by urea addition and Fourier transform infrared (FTIR) spectroscopy. A schematic model was proposed. As modified FG successfully matched the of texture properties of BG, it is promising to replace BG with FG.

关键词: Fish gelatin Gellan,, Calcium chloride,, Fourier transform infrared spectroscopy (, FTIR), ,, Atomic force

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2021年06月15日

【期刊论文】Development of eggless cakes suitable for lacto-vegetarians using isolated pea proteins

Yang Hongshun, Lin Muyang, Yang Hongshun, Lin Muyang

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

2017年08月04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 PPI+0.1% XN+ 1% SL was considered as a potential candidate recipe for substituting eggs in cakes.;Graphical abstract [Display omitted] ;Highlights•Natural ingredients were screened to develop egg substitutes.•Image analysis detected the relative differences between different cakes.•FTIR and AFM analyses revealed structural differences among cakes.•PPI + 0.1% XN + 1% SL was promising as an egg substitute in cakes.

关键词: Cake, Pea protein, Xanthan gum, Emulsifier, Fourier transform infrared spectroscopy (, FTIR), Atomic f

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