The postharvest action of the straw mushroom is very obvious, and the umbrella can be opened soon after harvest, so it is difficult to keep it fresh. The following methods are generally used to preserve freshness:
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1. Quick-freezing and fresh-keeping When the temperature is around -20°C, the cleaned straw mushroom can be quickly frozen and stored at this temperature, and it can be kept for 3 months, so that the taste and color of the straw mushroom are basically unchanged.
2. Radiative Preservative Cobalt 60 uses approximately 1,500 Ge doses of radiation to dispose of straw mushrooms, which can keep the straw mushrooms fresh, but the temperature should be about 10°C.
The preservation of straw mushroom is more difficult, and it is not easy to operate when it is used in small batches. In this case, it is possible to use (0.05%) dilute hydrochloric acid to drown the foam, the ratio of straw and hydrochloric acid is 1:1.2, and transport at low temperature. When it is used or sold, rinse it with clean water.
