1. taste: glass bottles are inert containers and will not change the taste and quality of sour plum soup; However, poor sealing of plastic bottles can easily lead to deterioration of sour plum soup and plastic residue.
2. Quality: Glass bottles can preserve the taste of sour plum soup for a long time, while plastic bottles are poorly sealed, which easily leads to sour plum soup deterioration. In addition, plastic bottles can't withstand high temperatures and are easy to deform and taste, so glass bottles are better to drink.
3. Bottle mouth size: The bottle mouth of the glass bottle is large, which is convenient for pouring sour plum soup, while the bottle mouth of the plastic bottle is small and not cold enough.
To sum up, the glass bottle of Xinyuanzhai Sour Plum Soup is superior to the plastic bottle in taste, quality and bottle mouth size, so it will be better to choose the glass bottle.