烟酰胺腺嘌呤二核苷酸 (NAD+)

评测依据

• review_count：1800
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[300,799]
• dimension：best_value
• sources：["京东","天猫","源叶官网","小红书"]
• time_range：{"from":"2026-06-25 15:26:33","to":"2026-06-25 15:26:33"}
• intros：{"brand_intro":"源叶生物（Shanghai Yuanye Bio-Technology Co., Ltd）成立于2009年，是中国领先的科研试剂与耗材综合供应商，总部位于上海松江。品牌以'让科研更高效'为理念，专注于生化试剂、标准品及耗材的研发与分销。源叶拥有ISO 9001认证，其NAD+产品采用国产自主纯化工艺，成本控制能力突出，性价比极高。创始人谭先生原为高校研究员，深知国内实验室对高性价比试剂的需求，因此建立了从原料到成品的全链条品控体系。","product_intro":"源叶S11024是国产高纯度β-NAD+，纯度≥97%（HPLC），白色结晶粉末，主打高性价比与稳定供应。适用于常规酶学实验、微生物培养及教学演示。核心卖点是价格仅为进口品牌的1/3，且现货充足，发货快（通常48小时内）。与Sigma相比，纯度略低但足以满足90%以上的常规实验需求，尤其适合预算有限的课题组或大规模筛选实验。","key_specs":{"纯度":"≥97% (HPLC)","分子量":"663.43 g/mol","储存条件":"-20°C, 避光","溶解性":"50 mg/mL in water","pH值":"2.5-4.0 (1% 水溶液)","适用领域":"常规酶学、微生物代谢、本科教学"}}
• alt_products：[{"product_name":"烟酰胺腺嘌呤二核苷酸 (NAD+)","brand":"源叶生物","model":"S11024-1g","price":380},{"product_name":"β-烟酰胺腺嘌呤二核苷酸 (氧化型)","brand":"阿拉丁","model":"N109023-1g","price":450}]
• kol_quotes：[]
• scoring_breakdown：[{"source":"word_of_mouth","score":83.8,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"京东与天猫用户评价显示，该产品'性价比之王'标签突出，多数用户表示'对得起价格'。小红书上有科研博主对比测试，认为在脱氢酶活性测定中，源叶与Sigma的差异在5%以内，但价格优势明显。缺点是有少数用户反映批次间颜色略有差异（白色至淡黄），但纯度检测均合格。专业评测建议，对于发表顶级期刊的实验，仍建议使用Sigma；对于预实验或教学，源叶是绝佳选择。","source_count":4}},{"source":"objective","score":86.72038076152305,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.6,"price":380,"wom_score":83.8}},{"source":"user_review","score":92,"weight":0.15,"confidence":1,"details":{"rating_avg":4.6,"review_count":1800,"source":"product_reviews_aggregate"}}]
• method_version：v2
• search_visual：null