A popular brand of hot sauce has been the subject of a product recall, after fears 'bloated' bottles may splatter onto customers after being opened.

A nationwide recall of Huy Fong Sriracha Hot Chilli Sauce was issued due to lactic acid build up that has caused some bottles to bloat and continue to ferment.

The popular brand of Sriracha hot sauce has been the subject of a product recall. Credit:iStock

Lacto-fermentation is a process used in many foods, where bacteria converts sugars into lactic acid.

The acid acts as a preservative, as well as a flavouring agent. Huy Fong's Sriracha sauce is a combination of red peppers, vinegar, garlic, salt and sugar fermented together.