In the category of natural food preservatives comes the salt, sugar, alcohol, vinegar etc. These are the traditional preservatives in food that are also used at home while making pickles, jams and juices etc. Also the freezing, boiling, smoking, salting are considered to be the natural ways of preserving food. Coffee powder and soup are dehydrated and freeze-dried for preservation. In this section the citrus food preservatives like citrus acid and ascorbic acid work on enzymes and disrupt their metabolism leading to the preservation. Sugar and salt are the earliest natural food preservatives that very efficiently drops the growth of bacteria in food. To preserve meat and fish, salt is still used as a natural food preservative.
WBPCS Notes brings Prelims and Mains programs for WBPCS Prelims and WBPCS Mains Exam preparation. Various Programs initiated by WBPCS Notes are as follows:-- WBPCS Mains Tests and Notes Program
- WBPCS Prelims Exam 2020- Test Series and Notes Program
- WBPCS Prelims and Mains Tests Series and Notes Program
- WBPCS Detailed Complete Prelims Notes