because bacteria can utilise glucose and grow in food stuff thereby contaminating it.
Glucose solids are not typically used as a preservative. They are more commonly used as a sweetening agent or as a bulking agent in food products.
glucose ,sucrose and lactose
The answer depends in part on your application. Also, 'best' in what sense? Formaldehyde is a very effective preservative for biological specimens, but is not suitable as a food preservative if you intend to eat the food, as it is quite toxic. Copper compounds are excellent wood preservatives, but are also quite toxic. If you are looking for a non toxic food preservative, try salt or vinegar!
The answer depends in part on your application. Also, 'best' in what sense? Formaldehyde is a very effective preservative for biological specimens, but is not suitable as a food preservative if you intend to eat the food, as it is quite toxic. Copper compounds are excellent wood preservatives, but are also quite toxic. If you are looking for a non toxic food preservative, try salt or vinegar!
No, it is not a good preservative for food, because if it is digested it can be very deadly.
Sodium fluoride can be used as a preservative for blood samples (for the glucose determination) avoiding glycolysis.
Yes, it can be used as a food preservative, primarily by inhibiting microbial growth.
It is a food preservative that makes food last forever.
Sodium chloride is a preservative for foods killing microorganisms.
Which of the following is used as a food preservative
No, apple cider vinegar is not a preservative. It is commonly used in cooking and as a health remedy, but it does not have preservative properties to prevent spoilage of food.
salt is in food to give it a flavour. It is also a preservative when put on food.