This study aims to determine whether there is contamination of Salmonella typhi. The test material in the form of seaweed was made into instant powder drink preparations by heating/crystallization method. Then the Salmonella typhi contamination test was carried out. The test results showed that there was a change in color/turbidity which showed a positive coliform group, but a follow-up test with SSA showed negative results. So it was concluded that the preparation of seaweed powder drink did not contain Salmonella typhi.
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