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目的:为全面了解“干腌火腿”研究现状,基于文献分析软件CiteSpace对干腌火腿的现状进行研究。方法:在Web of Science核心数据库中以“干腌火腿”为关键词检索2001—2020年的文献。利用CiteSpace软件从发表年份、国家、作者、关键词等方面对文献进行系统性分析。结果:Web of Science核心合集数据库中共检索到968篇可供分析的干腌火腿文献,西班牙贡献了一半以上的发文量。结论:干腌火腿的相关研究热点主要在肌肉、挥发性化合物、肉制品质量、蛋白质水解等方向,近几年的研究重点主要集中在盐含量,宏观方面则主要涉及到干腌火腿的风味、质地、微生物等。 相似文献
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干腌火腿品级风味品质指标分析研究 总被引:2,自引:0,他引:2
本文分析金华火腿一、二品级后熟6个月样品的游离氨基酸(FAA)、氯化钠含量、水分含量和挥发性风味物质,研究确定了品级火腿的风味品质等级差别,结果表明:一、二品级火腿FAA总量分别为7.492%和4.865%(干样),差异显著,其中谷氨酸(Glu)、丙氨酸(Ala)、亮氨酸(Leu)、赖氨酸(Lys)4种金华火腿特征性滋味FAA一级比二级分别增加26%、24%、55%和107%;氯化钠含量偏高、水分含量偏低;一、二品级火腿肌肉和脂肪中分别检出77和80~82种挥发性物质,其中醛、羧酸、醇、酯四类为主要挥发性风味物质,火腿皮下脂肪的挥发性风味物质比肌肉更丰富;金华火腿传统工艺手工作坊方式和原始落后的牛产条件是产生、一:品级甚至品外级火腿的主要原因,干腌火腿传统工艺的现代化和标准化是提高其风味品质的必要条件。 相似文献
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《肉类研究》2017,(9)
研究外源猪背膘的整合添加对重组干腌火腿成熟过程中的脂质氧化和蛋白质氧化的影响。按照猪背膘的添加水平分别为0%、2%和4%制成生重组火腿,并经过30 d产香成熟过程,制得重组干腌火腿。对整个成熟期间火腿的过氧化值(peroxide value,POV)、过氧化氢含量、硫代巴比妥酸反应物质(thiobarbituric acid reactive substances,TBARs)值、游离自由基含量、蛋白质羰基化合物和巯基化合物含量的变化进行测定,并对重组干腌火腿成熟期间的脂质氧化和蛋白质氧化进行相关性分析。结果表明:在重组干腌火腿的整个成熟过程中,外源猪背膘水平从0%增加到4%能显著促进过氧化物、过氧化氢和丙二醛等脂质氧化产物的生成(P0.05);仅在4%猪背膘处理组重组干腌火腿成熟末期检测到了游离自由基,说明重组干腌火腿成熟期间游离自由基的生成与成熟时间和脂肪含量有关;蛋白质氧化在火腿成熟前期并不显著(P0.05),其主要发生在成熟后期,并受脂肪含量的影响,外源猪背膘水平从0%增加到4%能显著促进火腿成熟后期蛋白质羰基化合物的生成,降低巯基含量(P0.05);重组干腌火腿成熟期间的蛋白质羰基化合物含量与H_2O_2含量(r=0.44,P0.05)和TBARs值(r=0.94,P0.01)均有显著的正相关性,说明火腿成熟过程中的脂质氧化与蛋白质氧化具有正相关性。 相似文献
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试验证明:收获期甜菜含水量与还原糖含量成正相关,含水量和还原糖含量高的甜菜不耐贮藏。生产上可以通过收获前限制灌水及施氮肥等栽培措施,降低收获前甜菜的含水量和还原糖含量。贮藏中随着时间的推移甜菜的含水量下降,而还原糖含量增加,二者成负相关,实践中采取相应减少贮藏甜菜失水的措施,使含水量下降速度缓慢,适当的大堆贮藏效果好于小堆贮藏。 相似文献
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影响香料烟糖和烟碱含量的因素 总被引:1,自引:0,他引:1
本文从遗传、土壤、栽培和调制方面对影响香料烟糖和烟碱含量因素的报道进行了综合分析.文中指出,香料烟的糖含量呈超显性遗传,而烟碱含量呈现完全显性遗传,并且总糖含量受加性效应的影响.土壤水分、土壤pH值、土壤类型对香料烟糖和烟碱含量均有影响.糖含量与施氮量呈负相关,烟碱含量与施氮量呈正相关,增加磷钾肥对烟碱和糖含量有影响.不同的采收方式和不同的调制措施对香料烟叶片中糖和烟碱含量均有影响.因此,可从栽培措施和调制措施等多方面对烟碱和糖含量进行综合调控. 相似文献
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The fruit quality of ‘Redhaven’ peach [Prunus persica (L.) Basch.] grafted on 11 (Adesoto, Julior, GF 677, Monegro, Barrier 1, Cadaman, MrS 2/5, Ishtara, Penta, Tetra and peach seedling) experimental rootstocks was evaluated in 2008 under replant orchard conditions. Several quality indices [weight, flesh firmness (FF), ground colour measurements, and soluble solids content (SSC)] were measured, and HPLC analysis were performed for numerous chemical parameters (quantification of individual sugars, organic acids, phenolic compounds in skin and in pulp). Total phenolic content and antioxidant capacity in skin and in pulp were also measured. Julior had the heaviest fruit, while Barrier 1 and GF 677 produced fruit lighter in weight. Rootstocks influenced harvest maturity. Monegro produced the least ripe fruit, characterised by high FF, phenolic compounds in the skin and low SSC. Adesoto rootstock resulted in the best overall fruit quality (high values of SSC, individual and total sugar content levels, individual and total organic acids and phenolic compounds in pulp) as well as high total yield. Julior rootstock also produced good quality peach (high values of SSC, individual and total sugars). Cadaman and peach seedling rootstock produced ‘Redhaven’ fruit of the lowest quality, indicated by low values of sugars, organic acids, phenolic compounds in pulp and in skin. 相似文献
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Six green leafy vegetables used extensively in food preparations in northern Nigeria were analysed. Crude protein and ash contents varied from 13.1 to 29.2% and 7.0 to 18.6% respectively. ‘Lalo’ (Corchorus Sp.) had the highest content of sodium (0.31%), iron (0.31%) phosphorus (0.48%) and magnesium (0.47%). There was a significant positive correlation between phosphorus and sodium (r=0.97**), phosphorus and iron (0.81*) and calcium (0.81*) contents. 相似文献
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Thirteen cultivars of cowpea (Vigna unguiculata (L) Walp) were analysed for their proximate composition, amino acid, trace element and phytic acid contents. Crude protein values ranged from 206·8 to 283·8 g kg?1 DM. The mean contents (g kg?1) of other major nutrients were ether extract, 18·6; ash, 38·8; total dietary fibre, 121·8 and carbohydrates, 573·4. When compared with the provisional amino acid scoring pattern of FAO, all cultivars were low in methionine and high in lysine, isoleucine, leucine and phenylalanine plus tyrosine. Values for threonine and valine were variable compared with the pattern. The range of values for the chemical score was 0·61–0·74. Phytic acid values ranged from 5·10 to 10·27 g kg?1, and the phytate: zinc molar ratios were all higher than that (15:1) above which zinc deficiency can be induced. Most of the trace elements showed wide variation in their occurrence among the cultivars. The values for zinc and iron showed less variation. The toxic elements mercury and selenium were present in varying amounts in more than half of the cultivars while tin was found in only one variety. 相似文献
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为探寻与大豆油份含量、蛋白含量相关的关键位点,本研究选取中国东北地区92份大豆主栽品种及常用种质资源品种群体基于蛋白含量和油份含量的Meta分析,进行基于数学模型的类群划分评价,估测样本群体的结构,应用简单线性模型分析与大豆油份含量、蛋白含量相关的的位点。结果表明,通过多次迭代测试,当K=5时,即该资源群体可以分为5个亚群时,为最稳定的分类结果,并在显著水平下(p〈0.05)贡献率大于1%的标记中,得到与大豆油份含量相关标记有Sat_412,Sat_195,Satt317,Sat_187,Sat_195,Satt255,Satt713,Satt468,Satt267,Satt686,Sat_294和AZ302047,对油分含量的总贡献率为39.54%。蛋白质含量相关标记有Satt683,Sat_311,Satt578,Satt181,Satt317,Satt700,Satt713,Satt255,Sat_242和Satt720对蛋白质含量总贡献率为48.39%。这些重要的标记位点为大豆油份含量和蛋白含量的分子辅助育种提供重要基础。 相似文献
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探讨了近红外光谱法快速测定甘蔗渣水分和糖分含量的可行性。基于实验室自制的20个水分和糖分不同含量的甘蔗渣样品,用近红外光谱仪积分球旋转方式在12500~4000cm^-1范围内采集相应样品的光谱,利用化学计量学软件建立样品水分和糖分含量与光谱数据之间的相关性模型。结果表明,对原始光谱进行多元散射校正的预处理后,选择9295.8~6098.2cm^-1和5450.2-4597.8cm^-1波数区间,用偏最小二乘法(PLS)和完全交互验证方式建立的校正模型的相关系数R^2分别为0.9886和0.9793,交互验证均方差RMSECV分别为2.18和0.463。该方法操作简单、准确性好,适用于生产过程中对甘蔗渣水分和糖分含量的快速测定。 相似文献