青香蕉粉戚风蛋糕的研究

将打浆后3级绿黄偏绿香蕉(Loeseck分级法),通过冷冻干燥制成青香蕉粉末,以青香蕉粉添加量为单因素,通过单因素试验分析不同比例青香蕉粉替代低筋面粉的添加量对于蛋糕质构、色度值、灰分、比容的影响,综合分析后确定27%的青香蕉粉替代低筋面粉为蛋糕最佳单因素;以青香蕉粉、低筋粉、鸡蛋、糖的添加量进行4因素3水平正交试验;由感官评价、水分、质构等指标分析青香蕉粉蛋糕的最佳配方,并研究最佳烘焙温度和焙烤时间。结果表明:青香蕉粉蛋糕的最佳配方为鸡蛋200 g、青香蕉粉15 g、低筋粉40 g、白砂糖35 g,其中鸡蛋及青香蕉粉添加量是影响蛋糕感官品质最重要的因素;最佳烘焙温度为160℃,焙烤时间为18 min。     

香蕉紫薯高纤维蛋糕的研制

以香蕉和紫薯为蛋糕生产的主要辅料,通过单因素试验和正交试验,探讨香蕉紫薯高纤维蛋糕配方及生产工艺,确定香蕉紫薯高纤维蛋糕最佳配方为:面粉100g,鲜鸡蛋120g,柠檬酸0.25,细砂糖100g,泡打粉6g,香蕉泥90g,紫薯泥80g。香蕉紫薯高纤维蛋糕不仅具有香蕉和紫薯的特殊风味,而且有效利用了其膳食纤维成分,提高了蛋糕的营养价值。     

香蕉汁大豆多肽运动饮料的研制

根据运动员机体变化的特点,研制开发出以香蕉和大豆多肽为主要原料的一种新型运动饮料。通过单因素试验、正交试验和感官评价,结果表明:确定最佳灭菌工艺条件为110℃,15 s。香蕉汁大豆多肽运动饮料的最佳工艺配方为:香蕉汁为100 g,无机盐2.0 g,大豆多肽1.6 g,蔗糖12 g,柠檬酸0.20 g,葡萄糖0.5 g。该工艺配方所得的产品质地均匀,营养丰富,口感细腻,是一款价值较高的运动饮料。     

重组型香蕉片的配方研究

研究了重组型香蕉片的配方,研究得出最佳配方为每100g香蕉果肉添加木薯淀粉60g、水48g、食盐2g、脱脂奶粉5g,即可得到高质量香蕉片.     

低糖低热量香蕉醋饮料生产工艺优化

以香蕉为原料,通过单因素试验确定低糖低热量香蕉醋饮料的最佳生产工艺条件,以感官评价作为指标,采用正交试验优化香蕉原醋、香蕉汁、复配甜味剂添加量的配方;以透光率为指标,优化香蕉醋饮料的澄清条件。结果表明饮料的最佳配方：香蕉原醋添加量7%、香蕉汁添加量20%、复配甜味剂（赤藓糖醇与甜菊糖苷质量比1 000∶4）添加量6%;最优澄清条件：壳聚糖添加量0.5%、澄清温度40℃、澄清时间60 min。产品能量值≤80 kJ/100 m L,含糖量≤5 g/100 mL,符合低糖、低热量的饮料标准。香蕉醋饮料呈金黄色,有浓郁的香蕉果香,澄清透亮,酸甜可口。     

魔芋复合果蔬粉的配制及品质评价

为丰富魔芋食品的种类,以魔芋粉和菠菜粉、红枣粉、香蕉粉为主要原料,添加木糖醇和奶粉,开发出一种新型的魔芋复合果蔬代餐粉。通过感官评价方法,结合结块率、溶解性等物性指标,采用单因素实验确定魔芋粉及其他各辅料的添加量,并在该基础上通过正交实验确定最佳配比。结果表明,魔芋复合果蔬粉的最佳配方为:魔芋粉6.0 g,菠菜粉1.6 g,香蕉粉4.0 g,红枣粉3.5 g,奶粉20%,木糖醇20%。     

猕猴桃香蕉果酱的研制

本试验以猕猴桃和香蕉为原料进行果酱的研制,通过对加工工艺的研究,探讨了甜味剂和增稠剂对产品品质的影响,确定了生产猕猴桃香蕉果酱基本加工工艺。通过设计正交实验,得出猕猴桃香蕉果酱最佳配比为:白砂糖添加量20%,麦芽糖添加量5%,三氯蔗糖添加量0.015%,黄原胶添加量0.3%。在此最优配方下测得可溶性固形物含量为45%,总酸含量为2.35g/100g,总糖含量为27.87g/100g,Vc含量为35.91mg/100g,微生物含量在国标规定范围内。制成的猕猴桃香蕉果酱口感细腻、香气宜人、营养丰富,组织形态好。     

香蕉果肉多酚提取工艺

通过单因素试验和正交试验,对香蕉果肉多酚的提取工艺进行优化,结果表明:影响香蕉果肉多酚含量的主次因素顺序为:提取温度>提取时间>乙醇浓度>料液比.香蕉果肉多酚提取的最佳工艺条件为:提取溶剂为40%乙醇、料液比1:4(g:mL)、提取温度90℃、回流提取时间5 h,多酚的提取量>1.4mg/g.     

低度甜型菠萝香蕉复合果酒酿造工艺优化

实验以成熟度良好的菠萝和香蕉为主要原料,通过单因素和正交实验进行菠萝与香蕉用量配比、发酵浸渍方式、初始发酵糖度及最终残糖对低度甜型菠萝香蕉复合果酒品质影响的研究。确定了最佳工艺条件为原料菠萝与香蕉质量比为2∶1、初始发酵糖度210 g/L、保留残糖90 g/L及无浸渍发酵,最终酒度为7.1%vol。此条件下所酿低度甜型菠萝香蕉果酒酒体呈浅金黄色,澄清有光泽,果香较典型,酒体协调,余味良好。     

香蕉饼干加工工艺

以低筋面粉和青香蕉粉为主要原料,配以黄油、白糖等辅料,加工制作香蕉饼干。以饼干吸水率、色度值、质构特性、感官评定等为考察指标,通过单因素和正交实验优化并确定香蕉饼干的加工工艺及配方。结果表明:最佳配方为低筋面粉100g、青香蕉粉25g、黄油60g、白糖50g、全蛋液10g、食盐0.5g、小苏打0.5g、泡打粉1.5g、全脂奶粉10g、水适量,焙烤温度为面火180℃、底火150℃,焙烤12min,该工艺配方下制得的饼干口感酥脆、香味浓郁、色泽棕黄,饼干吸水率达到89.32%、亮度值L为55.71、红绿色度值a为9.67、黄蓝色度值b为24.00、硬度为1870.89g、内聚性为0.25、弹性为0.35mm、咀嚼性为1.26m J、感官得分为88.50分。     

复合型枸杞果糕配方优化与抗氧化能力的评价

为改善传统枸杞果糕口感和营养,辅以葡萄和菊花,采用单因素及响应面实验对复合枸杞果糕工艺进行优化,并通过感官和质构相关性分析等方法对其品质和抗氧化能力进行探讨。结果表明,白砂糖17.10%,柠檬酸0.18%,复合果浆30.30%,复合胶2.12%时,制成的复合枸杞果糕具有良好的品质,感官评分为79.83分,且弹性好,软硬适中,组织紧致,劲道不粘牙;抗氧化能力也均高于葡萄与菊花复合果糕,以及各原料分别单独制成的果糕,其类胡萝卜素含量27.33 mg/100 g,总酚含量73.96 mg/100 g,黄酮11.66 mg/100 g,DPPH自由基清除率42.7%,铁离子还原力18.51 mmol/L。该研究为复合型枸杞果糕工业化生产奠定基础。     

鱼蛋白胶芒果糕的制备工艺优化及品质分析

为实现鱼蛋白胶的创新应用，提高芒果产业附加值，丰富果糕的营养价值，以青芒为原料，研发一款鱼蛋白胶芒果糕。在单因素实验基础上，以感官评分为响应值，通过响应面法结合质构分析对鱼蛋白胶芒果糕的工艺配方进行优化，并对理化及微生物指标进行测定。结果表明，鱼蛋白胶和果胶质量比选择1:1.5为佳，最优配方为:凝胶剂总添加量2.5%、白砂糖添加量40%、柠檬酸添加量0.7%。由此工艺配方制备的鱼蛋白胶芒果糕口感及品质最优，理化指标与微生物指标均合格，且蛋白质含量达到2.19 g/100 g，是一款营养全面的新型果糕。本文为芒果及鱼蛋白胶的开发应用提供新思路和技术参考。     

1-甲基环丙烯结合膜气调处理对河口香蕉贮藏品质的影响

以云南河口香蕉为试验材料,将不同质量浓度(0.00,0.08,0.16,0.32 g/L)的1-甲基环丙烯(1-MCP)结合PBI气调保鲜袋、微孔膜包装河口香蕉,并于15 ℃下恒温贮藏,研究贮藏期间香蕉可溶性固形物、硬度、病情指数、转黄指数、POD酶(过氧化物酶)、失重率、呼吸强度、可滴定酸的变化规律.结果表明:1-M...     

香蕉燕麦复合型果奶的研制

目的为了赋予果奶饮品的营养性和多样性,本实验通过将香蕉和燕麦与牛奶复合的工艺,研制出一款营养丰富、健康方便的果奶饮料。方法采用单因素试验和正交实验,对香蕉燕麦复合型果奶生产工艺及其稳定性进行研究。结果通过研究表明,当香蕉浆添加量为5.3%,蔗糖添加量为2.12%,燕麦浆添加量为3.9%,柠檬酸添加量0.4%时,得到最佳优化水平;稳定剂在添加总量为0.6%的前提下,三种复合稳定剂的比例为0.2%果胶:0.2%CMC-Na:0.15%柠檬酸三钠=1:1:1时,能够获得良好的稳定效果。结论采用本研究的方法制作得香蕉燕麦复合型果奶,口感细腻、风味突出。     

Evaluating banana ripening status from measuring dielectric properties

Electrical properties of banana fruit were studied in order to develop a rapid and non-destructive assessment method and to control its ripening treatment. A 5 V sine wave AC power supply and a rectangular parallel plate capacitor sample were used to span the difference in capacitance caused by the introduction of a banana fruit between the plates. To remove the effect of air gap between the plates, an equivalent capacitor was derived. The correlation between dielectric constant and quality parameters of banana fruit was investigated. The dielectric constant of banana fruit decreased as a result of the ripening treatment. Experiments indicated that the best frequency of sine wave that can predict the level of ripeness was 100 kHz. The coefficient of determination (R²) of ripeness level prediction was obtained 0.94 at this frequency. This method can confidently predict the ripeness level of banana fruit.     

Effect of food portion on masticatory parameters in 8- to 10-year-old children

The objective of this study was to explore differences in bite size and the amount of intraoral processing of four different foods between a reference and a double portion in 8- to 10-year-old children and, also to explore if there were differences depending on the child's weight status. The study was undertaken in 8- to 10-year-old children (n = 89). Body mass index was determined, and weight status was established based on Centers for Disease Control and Prevention(CDC) guidelines. A reference (half a banana, half a large peeled carrot, a slice of loaf cake, and half a salami stick), and a double portion of each food were offered to children in a randomized order in two different sessions. Three consecutive bites were taken and averaged. Variables in this study were bite size (g), number of cycles until swallowing, sequence duration as well as cycles/g. Comparisons were performed with Mann–Whitney, Kruskal–Wallis, and Wilcoxon tests, regressions and correlations were run. Bite size was ≈13% larger with the double portion (p ≤ .05 for salami, banana, and loaf cake). Cycles/g decreased for all foods with the double portion, although only significantly for banana and loaf cake. Normal and obese children had larger bite sizes (p ≤ .05) of banana than overweight children, while only obese had larger bites of loaf cake with the double portion. In conclusion, the bite size of foods in 8- to 10-year-old children increases (13%) when the portion size is doubled and the larger bite size leads to fewer cycles/g (8%). These effects differ among foods. These parameters do not depend on weight status.     

香蕉胡萝卜复合果蔬汁的发酵工艺优化及抗氧化活性研究

以香蕉和胡萝卜为原料,植物乳杆菌（Lactobacillus plantarum）和发酵乳杆菌（Lactobacillus fermentium）为发酵菌种,在单因素试验的基础上,采用Box-Behnken响应面法对香蕉胡萝卜复合果蔬汁饮料发酵工艺进行优化,并评价发酵后复合果蔬汁的抗氧化活性。结果表明,复合果蔬汁饮料的最佳发酵工艺条件为香蕉汁与胡萝卜汁体积比1.7∶1.0,发酵时间50.0 h,菌种添加量4.4%,发酵温度32.0 ℃。在此优化工艺条件下,香蕉胡萝卜复合果蔬汁饮料的口感风味良好,感官评分为85分,活菌数为5.8×106 CFU/mL,pH值为3.29,可溶性固形物为12.00%,总酸为9.66 g/100 mL,还原糖为5.65 g/100 mL。该饮料对DPPH、ABTS、羟基自由基的最大清除率分别为53.60%、77.00%、46.97%,表明复合果蔬汁具有一定抗氧化活性。     

模糊评判结合响应面法优化小米太谷饼配方

小米营养价值高,通过将其加入到太谷饼中开发出小米太谷饼,建立小米太谷饼模糊数学感官评价体系,在单因素实验中,以感官评分和硬度为指标对其进行评价,最后通过响应面优化出小米太谷饼最佳配方。结果表明:各因素对小米太谷饼感官评分影响由大到小为:小米粉添加量>白砂糖添加量>植物油添加量。小米太谷饼最佳配方为:小麦粉74 g、小米粉26 g、白砂糖25 g、植物油30 g、淀粉糖浆12.5 g、水17.5 g、食用小苏打0.8 g、食用碱0.3 g、鸡蛋10 g,此时感官评分为85.46±2.12分,与模型预测值85.11分相符,此配方下小米太谷饼感官评分高,色泽黄色,香气突出,口感酥松可口。     

Chemical studies of some plant wastes from Ghana

The proximate composition of sodium, potassium, calcium, phosphorus and iron levels of the peels and trunk from banana and plantain plants and cocoa husk are reported. The samples were all characterised by high moisture content ranging from 78 g/100 g ripe plantain peel to 94 g/100 g for fresh plantain trunk. The peels and trunk of plantain and banana plants were poor sources of phosphorus and sodium but rich in iron and potassium. Plantain trunk contained 5 g of potassium per 100 g of dry sample. Because of their high potassium content the peels of banana fruit and the trunk of banana and plantain plants are recommended as additional raw materials for indigenous soap making in Ghana.