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This is a In Vitro Study study (also classified as: Observational).

Preservative Effects on Crude Bromelain Stability and Enzymatic Applications

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Observational analysis shows bromelain stability varies with preservatives in pineapple waste, indicating optimal use for cleaning applications.

Partially purified bromelain exhibits nearly double the activity of crude bromelain, enhancing its cleaning potential.
Use of chitosan as a preservative leads to less reduction in bromelain activity compared to sodium benzoate.
SDS-PAGE analysis confirms bromelain's molecular weight at approximately 24 kDa, useful for enzymatic applications.
Leather and washing applications can benefit from the effective stain removal capabilities of crude bromelain.

Sripirom et al. (2025) studied this question.

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Observational analysis shows bromelain stability varies with preservatives in pineapple waste, indicating optimal use for cleaning applications.