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Why is the surface of tea leaves white?
The white 'frost' on Xia Qing Gan (small green citrus tea) isn’t mold—it’s actually a natural occurrence! The citrus peel’s rich limonene content slowly seeps to the surface during sun-drying and baking processes.
When exposed to air, it oxidizes into this frost-like layer. A harmless characteristic and even an indicator of quality craftsmanship!
If you're still concerned about potential mold, here's an easy check:
1️⃣ Press the peel – A crisp texture indicates proper drying ✅ If it feels soft/mushy ❌ check further
2️⃣ Inspect the tea leaves – Look for unnatural fuzz/clumps (mold) vs. uniform white frost (safe)
3️⃣ Sniff deeply – Healthy citrus aroma 🍊 = limonene crystals | Musty odor 🦠 = mold risk
If all checks pass, congratulations – you're seeing premium limonene frost, not mold! This natural 'tea diamond' forms when the citrus oil oxidizes, a hallmark of well-crafted Xia Qing Gan.