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天气寒冷的时候,卖“夫妻肺片”的摊儿很兴旺,北方小伙子戴着高高的厨师帽,白口罩,一只手握个长柄不锈钢锅,一只手拿着铲子,飞快地按顾客的吩咐将“肺片”合为“夫妻”,倒入八角、三奈、大茴香、小茴香、草果、桂皮、丁香、生姜粉之类的刺鼻调料,加盐、红油辣椒、胡椒、芝麻、熟花生米、豆油、味精、芹菜叶,翻动、搅拌,然后撒一把香菜,哨哨地敲着锅沿,装盆,递上。 相似文献
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所谓营养配餐,就是按照人体对营养的需要,根据食品中各种营养物质的含量,设计一天、一周、一个月的食谱,使人体吸收的蛋白质、脂肪、碳水化合物、维生素和矿物质等几大营养素,不仅品种齐全,而且比例合理,即达到均衡膳食。简单地说,就是要求膳食结构多种多样,谷、肉、果、菜,凡能人馔者,无所不备,使每日三餐花样翻新,营养合理,吃得科学、经济而实惠。 相似文献
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板栗又名栗子、毛栗子、风栗,属山毛榉科,落叶乔木,初夏开花,秋分栗熟,果肉金黄一味道甜香,素有“干果之王”的美誉,栗树是我国培育最早的果树之一,与桃、杏、李、枣并称“五果”。 相似文献
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DEVELOPMENT OF GENETICALLY ENGINEERED SOYBEAN OILS FOR FOOD APPLICATIONS 总被引:15,自引:0,他引:15
ANTHONY J. KINNEY 《Journal of Food Lipids》1996,3(4):273-292
The major use of the ten billion pounds or so of soybean oil produced in the US is for food products such as cooking oils, shortenings and margarines. Refined, bleached and deodorized (RBD) soybean oil used for cooking is usually hydrogenated to increase storage life and stability during frying. RBD soybean oil is also extensively hydrogenated to increase melting point for functionality in shortenings and margarines. Hydrogenation results in oils rich in trans fatty acids, the consumption of which may be associated with coronary heart disease. RBD oils used for salad oils are not hydrogenated but are rich in palmitic acid, the consumption of which has also been associated with coronary heart disease. Therefore, it is nutritionally desirable to produce trans-free soybean oils rich in monounsaturated fatty acids with reduced palmitic acid for cooking and soybean oils with no saturated fatty acids for salad oils. It is also desirable to produce trans-free oils rich in stearic and oleic acids for shortenings and margarines. Cloned genes may be introduced into soybeans to create transgenic lines with improved oil traits. The design of transgene constructs has been assisted by the use of soybean somatic embryos in suspension culture as a model system for soybean seed transformation. This system has allowed the selection of the right genes and promoters to achieve the desired phenotypes in transgenic soybeans. Current soybeans in development include lines producing oil with reduced palmitic acid, lines with over 80% oleic acid and lines with up to 30% stearic acid. Commercialization of high oleic acid transgenic soybeans has demonstrated that it is possible to drastically alter the fatty acid composition of a soybean seed without affecting the yield or environmental sensitivity of the soybean plant. 相似文献
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鸡屎藤的营养成分分析 总被引:9,自引:0,他引:9
以常规方法对鸡屎滕的营养成分进行了测定和分析.结果表明,鸡屎滕的抗坏血酸含量远远高于一般的蔬菜和水果.此外鸡屎滕中矿质元素含量丰富,氨基酸种类齐全搭配合理,是一种集营养、药用功能于一体的宝贵野菜资源. 相似文献
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ROBERT Muller 《Journal of the Institute of Brewing》1997,103(5):307-310
A brief treatment off malt slurry with acid inactivates many of the enzymes that degrade hydrogen peroxide. It is then possible to show that hydrogen peroxide can be formed by some malt protein fractions (especially those rich in free thiols), when heated or when subjected to intense illumination by visible light. This reaction also occurs with other thiol-rich proteins. Blue light is most effective whilst catalase but not superoxide dismutase, is able to inhibit the reaction . 相似文献
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The dichloromethane extract from Australian flor sherries was found on analysis by GC-MS to be rich in hydrophilic and polar compounds, including the isomeric ethylidene glycerols. Comparison of these extracts with those obtained from typical base wines from which such flor sherries are prepared did not reveal differences which could help to explain the characteristic aroma brought about by the flor process. The structure and stereochemistry of the four GC-separated ethylidene glycerols were determined. 相似文献
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翡翠颜色的定量描述 总被引:2,自引:2,他引:0
许如彭 《宝石和宝石学杂志》1999,1(2):29-32
采用国际照明委员会CIE-L^*α^*b^*(1976)色度坐标,定量描述翡翠的颜色,将目测样品颜色与仪器检测的数据进行比较,实验结果比较相符,对传统上要求翡翠(绿色品种)颜色纯正、浓艳的概念给予定量的表示,克服目测估计中人为的差异。 相似文献