Xanthophyll
        
        Molecular Structure:
 
        MDL:
MFCD00017353 
        Molecular Formula:
	C40H56O2
        Molecular Weight:
	568.87
        Alias:
	二羟基-d-胡萝卜素,9-胡萝烯-3-3'-二醇
α-Carotene-3,3'-diol
β, ε-carotene-3,3′-diol
β, ε-carotene
Lutein 
        Product order:
        
          
            | Name | Specifications | Packing | Price | Delivery | 
          
            | Xanthophyll | 分析标准品,90% | 10mg | RMB 1375 | Consulting service | 
          
            | Xanthophyll | 75% | 5mg | RMB 1056 | Consulting service | 
          
            | Xanthophyll | 75% | 25mg | RMB 5016 | Consulting service | 
        
         
        Quality Standard:
外观Appearance                          橙红色至棕色粉末
红外光谱鉴别Infrared spectrometry       和对照匹配
纯度Purity                              ≥75%.0% (HPLC)  
        Storage:
	充氩保存,储存温度 −70°C。干冰运输
饮食类类胡罗卜素,但没有vitamin A 的功效,增加眼睛中斑点的色素浓度,可能提高视力。