Can lime juice be used as a preservative in 'hot sauce' instead of vinegar?

Yes, lime juice can be used as a preservative in hot sauce instead of vinegar. It contains natural acids that can help inhibit the growth of bacteria and mold, similar to vinegar. However, lime juice has a different flavor profile, which may affect the overall taste of the hot sauce. It's important to ensure the acidity level is sufficient for preservation, as vinegar typically has a higher acidity than lime juice.