明明是头天晚上才煮熟的虾，中午想吃的时候一看，黑了！ 买的虾冻起来，一周后发现不仅变黑了，化冻后还滴着黑色汁水。是买到了污染虾，还是虾死后腐烂得 太快？是硬着头皮吃，还是扔掉？ 先松一口气：大部分情况下，变黑的虾也是可以吃的。 虾变黑没关系，只是氧化 大部分情况下，虾死后变黑不是黑化了放毒了，只是氧化了而已，跟切开变色的苹果差不多。 虾体内含有多酚类物质和多酚氧化酶。在虾活着的时候，这两种东西被封存在细胞中。当虾死掉，细胞 开始逐渐破裂，加上捕捞、运输、储存过程造成的机械损伤，多酚类物质、多酚氧化酶被释放出来搅在 一起，又接触了外界的氧气，三者碰撞出化学反应，生成了黑色素。 虾头里多酚类物质和多酚氧化酶聚集，虾脚容易受到物理损伤，虾腹部和虾壳缝隙接触空气面积大，所 以这三个部位尤其容易变黑；同时，不彻底的水煮会释放出更多的活性氧化酶，所以简单焯水后冷藏的 虾变黑的触发条件是氧气参与，所以我们隔绝氧气也能阻止虾的黑化。 虾比生虾还容易变黑。 这种黑色素其实没有异味，更没有毒。 不想吃"黑虾"，你就这样做 虽然氧化变黑的虾可以吃、不难吃，但毕竟影响美观，那我们就从虾变黑的原理入手，切断氧化变黑的 进程。 ①彻底煮 ...

□ 本报记者 蒋明睿 "冬季涮火锅其实很有讲究。"奚治斌说，动物性食材首选低脂的鱼、虾类优质蛋白佐以豆制品丰富蛋白 品类，搭配营养素丰富的蔬菜、菌藻拼盘，以清汤代替高油的红汤为锅底，茶水代替可乐等含糖碳酸饮 料及烈酒，进餐时遵循先吃蔬菜、菌菇，再吃肉，最后吃主食的顺序，这样的顺序被证实可增加饱腹 感，且有利于减重。 继"秋天的第一杯奶茶"后，"冬天的第一顿火锅"又在社交媒体刷屏。低温让不少人的食欲开始暴涨，如 何利用冬季进补保持健康，但不增长体重呢？我们邀请到江苏省第二中医院临床营养科副主任奚治斌为 大家科普。 （来源：新华日报） 奚治斌介绍，冬季调理体质需先进行体质辨识，辨证施补。温阳补气食物可选羊肉、鸡肉、牛肉、虾 等，配以枸杞、生姜、红枣等能温和地补充阳气，提供代谢动力。而祛除痰湿可选山药、薏米、茯苓、 白扁豆、南瓜等来增强脾胃运化水湿的能力，从源头减少"痰湿"生成。冬季由于食物选择受限、饮食习 惯改变以及年俗等影响，营养素摄入容易失衡。奚治斌建议，可以结合体成分分析、维生素微量元素筛 查等，明确是否存在营养素缺乏，尤其是维生素、矿物质缺乏导致的所谓"隐性饥饿"，再决定对症食补 或制剂补充，避免"热量有 ...

Core Viewpoint - Zhongshui Fishery's stock price experienced a significant increase of nearly 77% from November 14 to November 21, rising from 8.54 CNY to 15.09 CNY per share, leading to a warning about abnormal stock trading [2][4]. Company Overview - Zhongshui Fishery, controlled by China Agricultural Development Group, is a leading player in China's deep-sea fishing and processing trade, with a substantial asset scale in the industry [6]. - The company operates over 300 fishing and auxiliary vessels, with bases in Zhoushan and Yantai, and has established more than 40 branches in over 20 countries, showcasing a global investment footprint [6]. - The annual catch exceeds 200,000 tons, focusing on species such as tuna, squid, and various shellfish, with services including marine cold transport and fuel supply [6]. Financial Performance - For the first three quarters of 2025, Zhongshui Fishery reported a revenue of 2.967 billion CNY, a year-on-year decrease of 8.67%, while net profit attributable to shareholders increased by 230.08% to 53.41 million CNY [6]. - The company's current rolling P/E ratio is 77.53, and the P/B ratio is 13.48, indicating significant discrepancies compared to industry averages [7].

Core Viewpoint - Zhongshui Fishery's stock price experienced a significant increase of nearly 77% from November 14 to November 21, rising from 8.54 CNY to 15.09 CNY per share, leading to a warning about abnormal stock trading behavior [1][3] Group 1: Stock Price Movement - The stock price of Zhongshui Fishery recorded six consecutive trading days of gains, with a closing price increase deviation exceeding 20% over two consecutive trading days [3] - The company confirmed that there were no undisclosed significant information or changes in its operational environment that could have influenced the stock price [3][6] Group 2: Company Overview - Zhongshui Fishery, controlled by China Agricultural Development Group, is a leading player in China's distant-water fishing industry, with a significant asset scale [5] - The company operates over 300 fishing and auxiliary vessels, with bases in Zhoushan and Yantai, and has established over 40 branches in more than 20 countries [5] - The annual catch volume exceeds 200,000 tons, focusing on species such as tuna, squid, and various shellfish [5] Group 3: Financial Performance - For the first three quarters of 2025, Zhongshui Fishery reported a revenue of 2.967 billion CNY, a year-on-year decrease of 8.67%, while net profit attributable to shareholders increased by 230.08% to 53.41 million CNY [5] - The company's current rolling P/E ratio is 77.53, and the P/B ratio is 13.48, indicating significant differences compared to industry averages [6]

Core Viewpoint - India's seafood industry is reacting enthusiastically to the potential opportunity created by China's suspension of Japanese seafood imports, viewing it as a chance to fill a market gap left by Japan [1][4][9] Group 1: Market Reaction - Indian seafood exporters' stock prices surged by up to 11% following the news, indicating a strong market reaction to the perceived opportunity [3] - The Indian government has allocated over 450 billion rupees to support the foreign trade sector, particularly focusing on shrimp exports [3][4] Group 2: Challenges and Realities - The suspension of Japanese seafood imports is politically motivated, not a supply chain issue, which complicates India's ability to replace Japan in the Chinese market [6][9] - Indian seafood has seen growth in the Chinese market, but this growth is due to long-term supply channel openings rather than an immediate response to Japan's exit [6][9] Group 3: Future Considerations - The ability of India to truly capitalize on this opportunity depends on its credibility, supply stability, and brand recognition in the Chinese market [6][9][10] - The ongoing U.S. tariffs on Indian seafood exports remain a significant concern, as one-third of India's seafood exports are affected [7][10]

Core Points - The article discusses the successful adaptation of a construction project in Shunde, Guangdong, which has allowed local fishermen and residents to continue their trading activities at a temporary fish market despite construction disruptions [2][4]. Group 1: Project Overview - The Shunde Waterway capacity upgrade project is a key water transport initiative in Guangdong, aimed at enhancing shipping capabilities in the Pearl River Delta [2]. - The project involves the closure of a 3-kilometer section of the riverbank for safety during construction, which initially disrupted the local fish market where fishermen sold freshly caught fish [2]. Group 2: Community Engagement - The project team recognized the importance of the fish market to the local community, as it not only served as a trading point but also held cultural significance for the villagers [4]. - After discussions with local elders, the project team decided to modify their approach by selectively opening parts of the riverbank during specific hours to accommodate the fish market [4][5]. Group 3: Implementation and Results - The riverbank is now open for two hours daily from 16:00 to 18:00, allowing fishermen and residents to engage in trading activities while ensuring safety measures are in place [4][5]. - The initiative has fostered a sense of harmony and understanding between the construction team and the local community, transforming the temporary market into a "bridge of hearts" [5].

Core Insights - Qingdao City has established a price monitoring system for seafood, selecting 7 representative enterprises for emergency price monitoring, including 3 large supermarkets, 3 farmers' markets, and 1 seafood processing company [1] - Overall seafood prices remained stable compared to the previous week, with slight increases in sales for certain products due to promotions and freshness [1] - The export volume of eel has significantly increased due to rising customer orders, while there was no export volume for pomfret this week [1] Price Monitoring Summary - Fish Retail Prices: - Average price of hairtail in farmers' markets is 14 CNY (up 2.41% from last week), while in supermarkets it is 25.73 CNY (up 2.22%) [2] - Average price of mackerel in farmers' markets is 10.33 CNY (stable), and in supermarkets it is 17.5 CNY (stable) [2] - Shrimp Retail Prices: - Average price of sea shrimp in farmers' markets is 34 CNY (stable), and in supermarkets it is 27.87 CNY (stable) [2] - Dried Seafood Retail Prices: - Average price of dried shrimp in farmers' markets is 35 CNY (stable), and in supermarkets it is 57.3 CNY (stable) [2] - Average price of dried kelp in farmers' markets is 19.67 CNY (stable), and in supermarkets it is 29.53 CNY (stable) [2] Shellfish Retail Prices - Average price of oysters in farmers' markets is 7 CNY (down 2.37%), while in supermarkets it is 7.87 CNY (up 6.35%) [3] - Total sales volume of oysters in farmers' markets increased by 5.19%, while in supermarkets it decreased by 28.88% [3]

Core Insights - The overall seafood prices in Qingdao have remained stable compared to the previous week, with slight declines in sales volume due to seasonal demand fluctuations and market competition [1][2] - The monitoring of seafood prices and sales volume is being conducted by the Qingdao Price Certification and Monitoring Center, which has selected seven representative seafood production and sales units [1] Price Monitoring - The monitored seafood varieties include hairtail, mackerel, shrimp, dried seaweed, oyster, eel, and pomfret, with a focus on price and sales volume [1] - The export price for small pomfret is reported at 8 yuan/kg, with no export volume this week; eel export price is 159 yuan/kg, with a volume of 4.5 tons, down 13.5% from last week [1] Retail Prices - Hairtail average price in the farmers' market is 13 yuan (500g), unchanged from last week; in supermarkets, it is 23.87 yuan, down 1.36% [2] - Mackerel average price in the farmers' market is 10.67 yuan, up 4.92%; in supermarkets, it is 18.87 yuan, up 3.85% [2] - Shrimp average price in the farmers' market is 34 yuan, unchanged; in supermarkets, it is 27.87 yuan, also unchanged [2] Sales Volume - Total sales volume for hairtail in the farmers' market is 1345 jin, unchanged; in supermarkets, it is 22.32 jin, down 44.86% [2] - Total sales volume for mackerel in the farmers' market is 1136 jin, down 8.09%; in supermarkets, it is 80 jin, down 37.31% [2] - Total sales volume for shrimp in the farmers' market is 1460 jin, down 3.31%; in supermarkets, it is 91.45 jin, up 6.59% [2] Dried Seafood Prices - Dried shrimp average price in the farmers' market is 35 yuan, unchanged; in supermarkets, it is 57.3 yuan, also unchanged [2] - Dried seaweed average price in the farmers' market is 19.67 yuan, unchanged; in supermarkets, it is 29.53 yuan, unchanged [2] Shellfish Prices - Oyster average price in the farmers' market is 7.17 yuan, unchanged; in supermarkets, it is 7.79 yuan, down 0.89% [3] - Total sales volume for oysters in the farmers' market is 12674 jin, up 0.27%; in supermarkets, it is 60.54 jin, down 5.61% [3]

Core Insights - The quality of seafood has improved as autumn progresses, leading to a decrease in prices compared to pre-holiday levels [1][3] - Consumers are actively purchasing seafood due to lower prices, particularly for crabs, which have seen significant price reductions [1][2] Price Trends - Prices for crabs have dropped from 80-90 yuan per kilogram before the holiday to 50-60 yuan per kilogram now [1] - Overall seafood prices have decreased by approximately 20% since before the holiday, with specific examples including shrimp prices dropping from around 35 yuan to approximately 26.8 yuan per kilogram [2][3] Quality and Selection - The current batch of seafood, especially crabs, is noted to be fatter and of higher quality compared to earlier in the season [3] - Consumers are advised to look for bright colors and clear eyes when selecting fresh seafood, indicating better quality [3]

Core Viewpoint - The article highlights the successful agricultural transformation in Wuxing District, Huzhou, Zhejiang Province, through integrated land use planning and innovative farming practices, leading to increased agricultural productivity and farmer income. Group 1: Agricultural Transformation - Wuxing District has implemented a "multi-field integration" reform to address issues of fragmented land and low-quality farmland, establishing a comprehensive agricultural space utilization plan [2] - The district has achieved a significant increase in agricultural efficiency and farmer income by creating contiguous farmland and promoting high-standard farmland construction [2][5] Group 2: Economic Impact - The local community has seen a rise in collective income from 600,000 RMB to over 2.6 million RMB, with over 120 new jobs created due to improved agricultural practices [5] - The introduction of a shrimp-rice rotation model has doubled the income for farmers, demonstrating the economic benefits of diversified agricultural practices [7] Group 3: Land Utilization and Development - Wuxing District has released 72,000 acres of land through comprehensive land consolidation, facilitating the development of various agricultural sectors including high-quality fruits and vegetables, freshwater aquaculture, and agritourism [7] - The district has established a modern agricultural development framework that integrates multiple agricultural sectors, achieving full coverage of contiguous farmland over 100 acres [7]