See the DrugPatentWatch profile for hydrogenated
What is Avanti HSPC hydrogenated soy phosphatidylcholine?
Avanti HSPC refers to a commercially produced phospholipid called hydrogenated soy phosphatidylcholine, sold by Avanti Polar Lipids. It is a hydrogenated form of soy-derived phosphatidylcholine used to make or stabilize lipid membranes (for example, in liposomes and other lipid-based drug delivery systems).
What does “hydrogenated” mean for HSPC vs regular soy phosphatidylcholine?
Hydrogenation makes the lipid’s fatty-acid chains more saturated, which typically increases membrane rigidity and raises the transition temperature compared with less-saturated phosphatidylcholines. That change is why HSPC is often chosen when formulators want better physical stability of lipid bilayers (e.g., less leakage and better shelf-life or formulation robustness than more fluid lipids).
How is Avanti HSPC typically used?
HSPC is commonly used as a structural lipid in:
- Liposome formulations (including stabilized or long-circulating types)
- Nanoparticle and membrane-mimetic systems
- Studies of membrane behavior where a more ordered lipid bilayer is desired
Is Avanti HSPC a single compound or a mixture?
It is a mixture in the sense that it is derived from soy phosphatidylcholine (and then hydrogenated), so the product is not one single molecular species. In lipid formulations, HSPC is treated as a consistent grade of hydrogenated phosphatidylcholine that supplies a defined lipid performance profile rather than a single, fully pure chemical.
What should you check on the product page (to match your formulation)?
When selecting an Avanti HSPC grade for a protocol, users usually confirm details such as:
- Catalog number/grade (because Avanti sells multiple lipid products)
- Purity and storage conditions
- Any stated transition temperature or compositional notes relevant to membrane behavior
If you share the exact Avanti product name or catalog number you mean, I can help interpret the spec (and what it implies for membrane properties in your formulation).