The degree of processing is rarely considered an independent factor in the health effects of fruit juices and beverages(FJBs)consumption.In fact,the consumption of ultra-processed foods has been shown to pose health r...The degree of processing is rarely considered an independent factor in the health effects of fruit juices and beverages(FJBs)consumption.In fact,the consumption of ultra-processed foods has been shown to pose health risks.In this study,we first integrated 4 systems used to classify the degree of food processing and then classified FJBs into three major categories,low(minimal),moderate and high.Second,we compared the differences in attitudes towards FJBs in dietary guidelines.Third,we integrated the results of existing epidemiological surveys,randomized controlled trials,and animal experiments to explore the health risks associated with consuming FJBs.Deepening the processing of FJBs has been found to lead to an increased risk of diseases.Dietary pattern,nutrients,addition agents and consumer preferences may be influential factors.Finally,we investigated whether there were any changes in the health benefits of 100%fruit juices produced by different processing methods.In conclusion,minimally/moderately processed 100%fruit juices provide more health benefits than highly processed fruit beverages.The results support the need to consider the extent of FJBs processing in future studies to adjust official nutritional recommendations for beverage consumption.展开更多
脉冲电场(pulsed electric field,PEF)以其独特的非热特性和短时、高效、节能的加工特性成为果蔬汁杀菌保鲜技术的新趋势,可以在保证果蔬汁微生物安全性的同时保持其“新鲜风味”以及营养属性。该文综述了脉冲电场处理对果蔬汁品质、钝...脉冲电场(pulsed electric field,PEF)以其独特的非热特性和短时、高效、节能的加工特性成为果蔬汁杀菌保鲜技术的新趋势,可以在保证果蔬汁微生物安全性的同时保持其“新鲜风味”以及营养属性。该文综述了脉冲电场处理对果蔬汁品质、钝酶和杀菌等效果的影响以及在果蔬汁加工领域的应用现状,阐述了PEF技术在果蔬汁加工中的劣势以及与其他技术联用的优势,探讨了基于设备选用、工艺参数与食品基质间特异性、微生物亚致死导致的PEF技术的安全性等问题,分析了PEF在果蔬汁加工领域的应用前景和所面临的挑战,以期为PEF技术在果蔬加工领域的深入研究提供参考。展开更多
为充分开发胡萝卜和苹果梨资源,制备一款非浓缩还原(not from concentrate,NFC)复合果蔬汁并探究贮藏期香气物质与产品风味变化关系。以富硒胡萝卜和苹果梨为原料,以感官评分为指标,采用单因素试验及响应面法优化NFC富硒胡萝卜复合果蔬...为充分开发胡萝卜和苹果梨资源,制备一款非浓缩还原(not from concentrate,NFC)复合果蔬汁并探究贮藏期香气物质与产品风味变化关系。以富硒胡萝卜和苹果梨为原料,以感官评分为指标,采用单因素试验及响应面法优化NFC富硒胡萝卜复合果蔬汁工艺条件;通过顶空固相微萃取-气相色谱-质谱联用技术,测定分析常温不同贮藏期NFC富硒胡萝卜复合果蔬汁产生的香气成分及其变化规律。结果表明,最佳配方为复合果蔬汁添加量91.8%(富硒胡萝卜汁与苹果梨汁质量比3∶1)、白砂糖添加量8%、柠檬酸添加量0.2%,研制出的NFC富硒胡萝卜复合果蔬汁感官评分较高,为92.88;通过固相微萃取-气相色谱-质谱联用技术检测出7类共96种挥发性气味物质,不同贮藏期NFC富硒胡萝卜复合果蔬汁中挥发性气味物质种类分别为0 d 41种、7 d 44种、14 d 48种、21 d 55种、28 d 58种。在最优工艺条件下研制的NFC富硒胡萝卜复合果蔬汁,经贮藏后有利于生成多种风味成分,进而改善产品口感并赋予其典型风味,酸甜适中、营养丰富,具有浓郁的胡萝卜苹果梨复合清香味。展开更多
<span style="font-family:Verdana;">The growing interest of consumers in using foods that improve health has motivated researchers and the food industry to develop new functional products such as foods ...<span style="font-family:Verdana;">The growing interest of consumers in using foods that improve health has motivated researchers and the food industry to develop new functional products such as foods with probiotics. Probiotic cultures, for example, from lactic acid bacteria and bifidobacteria have been highlighted for their ability to promote balance in the intestinal microbiota as well as other benefits such as anticarcinogenic and antimutagenic effects, reduced plasma cholesterol levels, decreased symptoms of lactose intolerance, and stimulation of the immune </span><span style="font-family:Verdana;">response. Traditionally, probiotics are incorporated into dairy products.</span><span style="font-family:Verdana;"> However, because of the growing number of individuals affected by lactose into</span><span style="font-family:Verdana;">lerance and/or vegans, other food matrices have been studied as potential</span><span style="font-family:Verdana;"> car</span><span style="font-family:Verdana;">riers for these microorganisms. Considering all the facts mentioned above, cereals, legumes, fruits, and vegetables could be potential substrates, where</span><span style="font-family:Verdana;"> probiotic bacteria can be used for the development of non-dairy beverages. This review aimed to highlight the research carried out on 1) probiotic micro-organisms, including the more recent reclassification according to their phylogenetic position, 2) probiotic beverages from non-dairy sources which emerged as an alternative for lactose-intolerant consumers and, 3) the aspects of improving the gut microbiota.</span>展开更多
基金funded by the National Natural Science Foundation Program of China(31901707)the 2115 Talent Development Program of China Agricultural University。
文摘The degree of processing is rarely considered an independent factor in the health effects of fruit juices and beverages(FJBs)consumption.In fact,the consumption of ultra-processed foods has been shown to pose health risks.In this study,we first integrated 4 systems used to classify the degree of food processing and then classified FJBs into three major categories,low(minimal),moderate and high.Second,we compared the differences in attitudes towards FJBs in dietary guidelines.Third,we integrated the results of existing epidemiological surveys,randomized controlled trials,and animal experiments to explore the health risks associated with consuming FJBs.Deepening the processing of FJBs has been found to lead to an increased risk of diseases.Dietary pattern,nutrients,addition agents and consumer preferences may be influential factors.Finally,we investigated whether there were any changes in the health benefits of 100%fruit juices produced by different processing methods.In conclusion,minimally/moderately processed 100%fruit juices provide more health benefits than highly processed fruit beverages.The results support the need to consider the extent of FJBs processing in future studies to adjust official nutritional recommendations for beverage consumption.
文摘脉冲电场(pulsed electric field,PEF)以其独特的非热特性和短时、高效、节能的加工特性成为果蔬汁杀菌保鲜技术的新趋势,可以在保证果蔬汁微生物安全性的同时保持其“新鲜风味”以及营养属性。该文综述了脉冲电场处理对果蔬汁品质、钝酶和杀菌等效果的影响以及在果蔬汁加工领域的应用现状,阐述了PEF技术在果蔬汁加工中的劣势以及与其他技术联用的优势,探讨了基于设备选用、工艺参数与食品基质间特异性、微生物亚致死导致的PEF技术的安全性等问题,分析了PEF在果蔬汁加工领域的应用前景和所面临的挑战,以期为PEF技术在果蔬加工领域的深入研究提供参考。
文摘为充分开发胡萝卜和苹果梨资源,制备一款非浓缩还原(not from concentrate,NFC)复合果蔬汁并探究贮藏期香气物质与产品风味变化关系。以富硒胡萝卜和苹果梨为原料,以感官评分为指标,采用单因素试验及响应面法优化NFC富硒胡萝卜复合果蔬汁工艺条件;通过顶空固相微萃取-气相色谱-质谱联用技术,测定分析常温不同贮藏期NFC富硒胡萝卜复合果蔬汁产生的香气成分及其变化规律。结果表明,最佳配方为复合果蔬汁添加量91.8%(富硒胡萝卜汁与苹果梨汁质量比3∶1)、白砂糖添加量8%、柠檬酸添加量0.2%,研制出的NFC富硒胡萝卜复合果蔬汁感官评分较高,为92.88;通过固相微萃取-气相色谱-质谱联用技术检测出7类共96种挥发性气味物质,不同贮藏期NFC富硒胡萝卜复合果蔬汁中挥发性气味物质种类分别为0 d 41种、7 d 44种、14 d 48种、21 d 55种、28 d 58种。在最优工艺条件下研制的NFC富硒胡萝卜复合果蔬汁,经贮藏后有利于生成多种风味成分,进而改善产品口感并赋予其典型风味,酸甜适中、营养丰富,具有浓郁的胡萝卜苹果梨复合清香味。
文摘<span style="font-family:Verdana;">The growing interest of consumers in using foods that improve health has motivated researchers and the food industry to develop new functional products such as foods with probiotics. Probiotic cultures, for example, from lactic acid bacteria and bifidobacteria have been highlighted for their ability to promote balance in the intestinal microbiota as well as other benefits such as anticarcinogenic and antimutagenic effects, reduced plasma cholesterol levels, decreased symptoms of lactose intolerance, and stimulation of the immune </span><span style="font-family:Verdana;">response. Traditionally, probiotics are incorporated into dairy products.</span><span style="font-family:Verdana;"> However, because of the growing number of individuals affected by lactose into</span><span style="font-family:Verdana;">lerance and/or vegans, other food matrices have been studied as potential</span><span style="font-family:Verdana;"> car</span><span style="font-family:Verdana;">riers for these microorganisms. Considering all the facts mentioned above, cereals, legumes, fruits, and vegetables could be potential substrates, where</span><span style="font-family:Verdana;"> probiotic bacteria can be used for the development of non-dairy beverages. This review aimed to highlight the research carried out on 1) probiotic micro-organisms, including the more recent reclassification according to their phylogenetic position, 2) probiotic beverages from non-dairy sources which emerged as an alternative for lactose-intolerant consumers and, 3) the aspects of improving the gut microbiota.</span>