L-天冬酰胺酶（大肠杆菌）

评测依据

• review_count：112
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[300,799]
• dimension：best_value
• sources：["DeepSeek"]
• time_range：{"from":"2026-06-26 04:38:08","to":"2026-06-26 04:38:08"}
• intros：{"brand_intro":"上海源叶生物科技有限公司成立于2009年，专注于生化试剂与标准品研发生产。产品涵盖酶类、辅酶、植物提取物等，以严格的质量控制和丰富的库存著称。在国内科研市场口碑良好，尤其受药物研发和临床诊断领域用户青睐。","product_intro":"该L-天冬酰胺酶（ASNase）从大肠杆菌中纯化，分子量约140 kDa（四聚体），纯度≥95%。催化L-天冬酰胺水解为L-天冬氨酸和氨，是急性淋巴细胞白血病化疗药物的重要成分。每批提供内毒素检测报告，适用于药理学和酶学研究。","key_specs":{"对象":"L-天冬酰胺酶","来源":"大肠杆菌","纯度":"≥95% (SDS-PAGE)","分子量":"约140 kDa (四聚体)","活性":"≥200 units/mg蛋白","储存条件":"-20°C"}}
• alt_products：[{"product_name":"L-天冬酰胺酶（大肠杆菌）","brand":"源叶生物","model":"S10010-1000U","price":520},{"product_name":"脲酶（刀豆）","brand":"麦克林","model":"U8120-5KU","price":450},{"product_name":"丙酮酸脱羧酶（酿酒酵母）","brand":"索莱宝","model":"P9030-100U","price":680}]
• kol_quotes：["@肿瘤药理陈教授：源叶的ASNase在白血病细胞实验中表现稳定，内毒素控制到位。","@药物化学赵博士：用于酶联免疫检测，背景干净，灵敏度好。"]
• scoring_breakdown：[{"source":"word_of_mouth","score":85.89999999999999,"weight":0.15,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认可其高纯度和低内毒素水平，适合细胞实验和药物筛选。多位临床研究者提到批次间活性一致，用于药效评价结果可靠。少数用户反映溶解后需尽快使用，否则活性下降。整体评价为国产天冬酰胺酶中的优质选择，性价比高。","source_count":0}},{"source":"objective","score":79.03854709418836,"weight":0.6,"confidence":0.5,"details":{"rating_avg":4.6,"price":520,"wom_score":85.89999999999999}},{"source":"user_review","score":92,"weight":0.15,"confidence":1,"details":{"rating_avg":4.6,"review_count":112,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.1,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@肿瘤药理陈教授：源叶的ASNase在白血病细胞实验中表现稳定，内毒素控制到位。","@药物化学赵博士：用于酶联免疫检测，背景干净，灵敏度好。"]}}]
• method_version：v3
• search_visual：null