Supplied as a lyophilized powder. No preservatives added.
保存建议
Lyophilized powder may be stored at -20 degree C. Reconstitute by adding sterile ddH2O. Aliquot and store at -20 degree C. Reconstituted product is stable for 6 months at -20 degree C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.