One, flat mushroom preservation of three methods
1. Take fresh non-moldy, non-aging flat mushrooms, rinse with water to remove impurities. During the rinsing process, gently turn over and put down to avoid crushing. Then put it into boiling water, with a colander along the clockwise direction, put it into the sieve, drain the water directly into the non-toxic polyethylene food bag, seal the bag mouth (pay attention to the inside and outside of the mouth of the bag don't stain the water droplets), and finally the mushroom bag into the plastic food box or wooden box (carton), placed into the edible fungi cold storage (temperature of -18 ℃) preservation, you can take out at any time, sale or deep processing.
2. Flat mushrooms after harvest, immediately wash off the sediment, the size of the matching into 0.5 mm thick non-toxic polyethylene plastic bags sealed packaging, placed in 0 ℃ conditions, can be kept fresh for 15 days -20 days, the nutrient composition remains unchanged, the weight does not decrease.
3. flat mushroom harvest, cleaned and packed, with 100,000 rads of cobalt 60 ray irradiation, preserved at 0 ℃ conditions, freshness can be extended to 31 days, safe and non-toxic.
Two, straw mushroom preservation method
Paper-plastic composite bag on the microporous, the unopened umbrella (mushroom body full, full, conical in appearance, the top of the gray-brown) of straw mushrooms into it, placed in 15 ℃ - 20 ℃ can be preserved for 2 hours.
Three, mushroom freshness two methods
1. first box lined with moisture-proof paper, box seams outside the laminating pig's blood kraft paper, in the box into a certain amount of quicklime and other desiccants (wrapped in a cloth bag). This method so that the eggs of pests can not get the appropriate temperature and humidity and difficult to breed, can be preserved for 1 year, the color and flavor of mushrooms unchanged.
2. Store fresh and clean mushrooms in cartons (the box must be lined with double-layer moisture-proof paper and 1 layer of plastic film), the moisture content of the mushrooms in the box shall not exceed 3%, and the volume of 0.2 cubic meters of the carton should be loaded with 10 kg of dried mushrooms. Placed in the air-conditioned room at 13 ℃ - 17 ℃, can be stored for 1 month - 6 months; placed in the 13 ℃ - 14 ℃ low-temperature cold storage, can be stored for more than half a year; if the air-conditioned room and the relative humidity of the cold storage below 55%, and equipped with extractor fans and moisture absorbers, the mushrooms can be stored for 2 years, the color and aroma unchanged.
Four, Agaricus bisporus freshness two methods
1. brine freshness. Just harvested mushrooms selected according to quality standards, with 0.1% - 0.2% sodium metabisulfite solution soaked for 8 minutes - 10 minutes, and then rinsed with water for 30 minutes, drained with a special cylinder canister packaging, at a temperature of less than 23 degrees Celsius can be preserved fresh for 72 hours. Or put the scalded bisporus mushrooms immediately in the salt solution of 19 degrees of boeing (25 kg of salt saturated solution poured into 25 kg of scalded bisporus mushrooms), and then add refined salt cover, and then add the right amount of refined salt after a few days to maintain the boeing at 18 degrees, and then seal and store the freshness after 4 days - 6 days of stabilization.
2. Quick-freezing freshness. Within 30 minutes - 40 minutes, the washed and scalded mushrooms can be quickly reduced to -20℃ from room temperature, which can keep fresh for a long time.