花2倍价格买的“奶中贵族”，却发现不是100%纯水牛奶

Core Viewpoint - The article highlights the rising popularity of buffalo milk due to its higher nutritional content compared to cow's milk, but raises concerns about the authenticity of marketed buffalo milk products, which often contain cow's milk instead of being 100% buffalo milk [3][14][24]. Group 1: Market Trends and Consumer Insights - Buffalo milk has gained attention for its richer taste and higher levels of nutrients like fat, protein, and calcium compared to cow's milk [3][4]. - Despite the hype, a report found that none of the 20 randomly selected products labeled as "buffalo milk" contained 100% buffalo milk, and most did not disclose the proportion of buffalo milk used [3][14]. - The average annual milk yield of buffaloes is about 2 tons, which is only 1/3 to 1/5 of that of Holstein cows, the most common dairy breed [7][30]. Group 2: Pricing and Economic Factors - The price of buffalo milk is significantly higher than that of cow's milk, with a price difference of nearly double for similar products [9][10]. - For high-end products, buffalo milk can cost up to 4.0 yuan per 100 mL, while various types of cow's milk range from 1.4 to 2.0 yuan per 100 mL [10][30]. Group 3: Nutritional Comparison - Nutritional analysis shows that buffalo milk has a higher protein content (3.8g/100g) compared to cow's milk (3.2g/100g), and its fat content is approximately double that of cow's milk [15][16]. - The energy content of buffalo milk is 97 kcal per 100g, compared to 61 kcal for cow's milk, indicating a richer nutritional profile [16]. Group 4: Authenticity and Regulatory Issues - Most products marketed as "buffalo milk" are not pure and often contain cow's milk, with 11 out of 12 products tested containing cow's milk [16][18]. - There is currently no national standard for buffalo milk in China, leading to inconsistencies in product labeling and quality [24][25]. - Consumers are advised to check ingredient lists and look for products that comply with local standards to ensure they are purchasing genuine buffalo milk [29].