沙门氏菌
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同样是鸡蛋,为什么“可生食”价格更高?
Zhong Guo Jing Ji Wang· 2025-11-19 07:44
黄天鹅可生食鸡蛋领跑市场,四年蝉联高品质销量第一。其全链路管理体系覆盖若干环节、关键点 等,零沙门氏菌检出,不仅安全,还保营养。鸡蛋本是"全营养食物",蛋黄尤为宝贵。 蛋黄非"胆固醇炸弹",而是优质蛋白源:翟凤英指,其蛋白质15.2g/100g,高于蛋清11.6g,含全8 种必需氨基酸,利用率98%;富胆碱(680mg/100g),一蛋黄满足成人日需35%。 高价可生食蛋促生食安全。中国农大朱毅荐"黄金8分钟"水煮:沸后小火8分,灭抗营养因子,留 90%维生素,溏心不氧化。生食防沙门氏菌:选优蛋、冷藏、洗手避污染。黄天鹅零检出,让溏心蛋成 享受。 超市货架上,普通鸡蛋一盒仅需10多元,而"可生食"或"无菌蛋"高端产品往往售价翻倍。消费者疑 惑:同样是鸡蛋,为何价格悬殊?央视"真相来了"报道揭秘:"可生食鸡蛋"并非"无菌神话",而是经严 苛生产流程确保无沙门氏菌,其高价源于全链条品质控制,而非营销噱头。农业农村部研究员朱大洲表 示,这种鸡蛋的核心在于"吃得更放心",但市场乱象也需消费者擦亮眼睛。 "无菌蛋"虽听起来高端,却常误导消费者。朱大洲在央视采访中直言:"鸡蛋完全无菌几乎不可 能,这个名称易让人误以为如罐 ...
蛋黄营养解码——被误解的营养宝库
Ren Min Wang· 2025-07-23 01:01
Core Insights - Eggs, particularly egg yolks, are a rich source of essential nutrients and should not be discarded due to misconceptions about cholesterol [1][2] Nutritional Value of Egg Yolks - Egg yolks contain 15.2g of protein per 100g, which is higher than egg whites at 11.6g per 100g, and provide all eight essential amino acids with a biological availability of 98% [2] - Each 100g of egg yolk contains 680mg of choline, fulfilling 35% of the daily requirement for adults, which is crucial for brain development and cognitive function [2] - Egg yolks are rich in fat-soluble vitamins such as A, D, E, and B vitamins, making them irreplaceable in terms of nutrition [2] Cholesterol Management - Cholesterol in the blood primarily comes from endogenous sources (70%-80%) rather than dietary intake (20%-30%), indicating that the body's own production has a greater impact on blood cholesterol levels [3] - Despite the high cholesterol content in egg yolks (approximately 1510mg per 100g), lecithin helps to mitigate its effects by emulsifying cholesterol and promoting its metabolism [3] Recommendations for Special Populations - Individuals with high blood lipids or cardiovascular issues should limit egg yolk intake to one per day and monitor blood lipid levels [4] - Pregnant women are advised to consume 2-3 eggs daily to support fetal brain development [4] - Older adults can consume 2 egg whites and 1 egg yolk daily to help prevent cognitive decline [4] Cooking Methods for Nutritional Retention - Boiling eggs for 8 minutes is recommended to balance nutrition and safety, preserving over 90% of vitamins while inactivating anti-nutritional factors [5][6] - Precautions should be taken to avoid salmonella infection, including proper storage and cooking of eggs [7] Safe Egg Consumption Practices - Eggs should be refrigerated and thoroughly cooked to prevent salmonella infection, especially for vulnerable populations like infants and the elderly [7] - Following a balanced approach to egg consumption, including pairing with vegetables and whole grains, is encouraged for optimal health benefits [7]
“无菌蛋智商税”冲上热搜!专业人士:并非完全无菌,其实是“少菌蛋”
Huan Qiu Wang Zi Xun· 2025-05-28 09:47
Core Viewpoint - The discussion around "sterile eggs" has gained significant attention, with experts suggesting that the term is misleading as these eggs are better described as "low-bacteria eggs" [1][4]. Group 1: Understanding Sterile Eggs - "Sterile eggs" are actually "low-bacteria eggs," which undergo pasteurization and strict processing, resulting in very low bacterial content but not complete sterility [4]. - Salmonella, a common foodborne pathogen, can enter eggs through infected hens or from feces and soil, as the eggshell is porous [5]. - The production of low-bacteria eggs involves over 20 processes and multiple quality checks to ensure minimal microbial presence [5]. Group 2: Nutritional Comparison - Low-bacteria eggs are priced significantly higher, sometimes 3 to 4 times that of regular eggs, attracting consumers due to claims of being "sterile," having no fishy taste, and being more nutritious [6]. - The taste and color of egg yolks are influenced by the chicken's diet rather than the egg's sterility, with specific feed affecting the presence of fishy flavors and yolk color [7][9]. - Nutritional claims about low-bacteria eggs, such as higher organic selenium and vitamins, are not exclusive to them, as regular eggs also contain these nutrients [10][11]. Group 3: Consumption Recommendations - Cooking eggs enhances protein absorption, with boiled eggs allowing for 91% protein absorption compared to only 55% when consumed raw [11]. - While low-bacteria eggs can be consumed raw, they should be eaten within 7 to 10 days of production for safety, after which cooking is recommended [12]. Group 4: Egg Selection Tips - Consumers are advised to check the production date, listen for sounds when shaking the egg, and inspect the shell for cleanliness and cracks when selecting eggs [13][14][15].