Aloe vera and tea coating keeps mushrooms fresh 8 days
Roy S, Sarkar A, Miah MS, Al Hasan MF, Alam M
Food Waste
The mushrooms that go slimy or brown in your fridge within two or three days could stay firm and fresh for over a week with a coating made from plants you might already grow, aloe vera and tea leaves.
Oyster mushrooms spoil fast because they lose moisture and turn brown quickly. Researchers dipped them in a simple coating made of aloe vera gel, pectin, and tea polyphenols, and found the right combination kept the mushrooms firmer, less discolored, and free of mold for a full 8 days. It's a low-tech, plant-based way to cut down on food waste without chemicals or plastic wrap.
Key Findings
Optimal coating formula: 65% aloe vera gel, 5% pectin, and 0.3% tea polyphenols, identified via Taguchi and factorial design optimization
Coated mushrooms showed only 2.35% weight loss and 3.85% browning index after 8 days, with firmness maintained at 720.40 g force
Enzymatic browning activity (polyphenol oxidase and peroxidase) and microbial growth (2.26 log CFU/g yeast and mold) were significantly reduced compared to uncoated controls
chevron_right Technical Summary
Scientists coated oyster mushrooms in a mix of aloe vera gel, pectin, and green tea extract, keeping them fresh for over a week with far less spoilage, browning, and moisture loss than uncoated mushrooms.
Abstract Preview
Original paper
Aloe vera pectin composite coatings enriched with tea polyphenols: a sustainable strategy for postharvest preservation of oyster mushrooms.
Oyster mushrooms are nutrientrich but spoil quickly due to moisture loss, enzymatic browning and microbial growth. To extend shelf life, an edible coating with aloe vera (AV) gel, pectin and tea po...
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Aloe vera is a succulent plant species of the genus Aloe. It is widely distributed, and is considered an invasive species in many world regions.