Core Viewpoint - Peptone is widely used as a major nutrient component in culture media, promoting cell proliferation and production, with its raw materials including meat, casein, whey, gelatin, soy, yeast, and grains [2][4]. Summary by Sections 1. Peptone Market Overview - The Chinese peptone market is projected to reach 411 million yuan in 2024 and 620 million yuan by 2031, with a compound annual growth rate (CAGR) of 4.98% [4]. - Peptone serves as an important nitrogen source in microbial culture, with applications in antibiotics, vaccines, recombinant proteins, and fermentation products [8]. 2. Peptone Classification and Characteristics - Peptone is categorized into three types: animal peptone, plant peptone, and yeast peptone, each with unique properties based on the source and quality of the starting protein material [3][8]. - Animal peptone accounts for 37.01% of total consumption in 2024, with challenges in availability, cost fluctuations, and animal-source risks leading to a relative decline in demand [9]. 3. Industry Concentration Analysis - The Chinese peptone market is highly concentrated, with the top five suppliers accounting for 62.05% of sales in 2024. Angel Yeast is the largest supplier, offering a range of products across various applications [10]. 4. Peptone Industry Chain Analysis - The upstream of the peptone industry includes raw materials such as meat, casein, whey, gelatin, soy, yeast, and grains, with animal peptone being the most widely used [15][16]. - The midstream consists of manufacturing enterprises that prepare nitrogen sources from different origins, with a notable reliance on imported high-end peptone technologies [19][20]. 5. Downstream Applications - Downstream applications of peptone are concentrated in pharmaceuticals, food, cosmetics, and research, with high-end pharmaceutical companies requiring high quality and batch consistency [21]. - The market shows a diverse landscape with high-value products and a focus on process stability, indicating a robust demand across various sectors [21].