It is true; it is very frequently used for cabbage, cucumbers, hot peppers etc.
Number 1. Sodium Benzoate is the food preservative. no. 2 and 3 are not used in food at all, no. 4 is not a preservative but is used in baking powder.
1.sodium benzoate
Sodium benzoate is a preservative, e.g. in beveages, salads, pickles and seafood. It prevents spoilage by yeast at lower pH values (soured products).The other three are not.And only 'sodium bi carbonate' (sodium hydrogen carbonate is a better name) is used as auxillary in baking, called 'baking powder'.
It is used as a medicine, a food preservative, in effervescent beverages, in ceramics, and to prevent mold. It is alsso known as baking soda, bicarbonate of soda, or sodium acid carbonate.
Sodium bicarbonate, also known as baking soda, is primarily used as a leavening agent in baking to help dough rise. While it can act as a preservative by altering the pH of certain foods and inhibiting microbial growth, it is not commonly used as a food preservative due to its limited effectiveness compared to other preservatives. Other preservatives such as sodium benzoate or potassium sorbate are more commonly used in the food industry for their superior antimicrobial properties.
Sodium Bicarbonate, also known as baking soda can be used for a variety of things. A couple of things baking soda can be used for are making toothpaste, use as a facial scrub, clean brushes and combs, and helping clean your hair.
Turmeric or haldi acts as a preservative in pickles.
Vinager is used to preserve cucumbers, which makes pickles.
baking
Yes, it can be used as a food preservative, primarily by inhibiting microbial growth.
No, sodium carbonate (Na2CO3) and sodium bicarbonate (NaHCO3) are two different compounds. Sodium carbonate is commonly known as washing soda and is used in cleaning products, while sodium bicarbonate is known as baking soda and is often used in baking and as an antacid.
No. Sodium chlorite is NaClO2, a compound of sodium, chlorine, and oxygen. It is toxic. Bicarbonate of soda or sodium bicarbonate is NaHCO3, a compound of sodium, hydrogen, carbon, and oxygen. It is safe enough for human consumption to be used in food and antacids.