Papayas are delicious and healthy – and they contain papain, an enzyme that is isolated from the fruit and used in countless industries. They are used for brewing beer, the handling of meat products, the treating of wool in the textile industry and the treating of inflammation in the medical field. A similar example is represented by horseradish: Its enzyme – horseradish peroxidase – is used in large quantities in several diagnostic and immunological tests. But the horseradish harvest varies dramatically from year to year. When the harvest is poor, then horseradish peroxidase is no longer available in quantities that the industry needs.
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