Odor

Moldy tea is harmful to health and should not be consumed, we all know this. However, sometimes tea enthusiasts express difficulty in distinguishing between moldy tea, "golden flowers," and "white frost." What are the differences between moldy tea, "golden flowers," and "white frost"? Moldy Tea Tea leaves that have gone moldy generally grow white fuzz and emit a musty smell. Severely moldy tea can become rotten and clump together, with green fuzz growing on top, and Pu'er tea may also develop black mold. However, some premium varieties such as Biluochun, Mao Feng, Yunwu tea, Dian Hong, Tuocha, Pu'er, and others, have white down on their leaves. This is due to the tea's tenderness and not the white fuzz that grows when tea has molded. According to Academician Chen Zongmao of the Chinese Academy of Engineering and researcher at the Tea Research Institute of the Chinese Academy of Agricultural Sciences, tea becomes moldy due to contamination by Penicillium and Aspergillus, which can produce toxins like aflatoxin (classified as a Group 1 carcinogen by the International Agency for Research on Cancer of the World Health Organization, it is an extremely toxic substance). Aflatoxin is heat-resistant and cannot be eliminated through high-temperature cooking.…

Basic Introduction to Nanfeng TangerineThe Nanfeng tangerine is one of the oldest and finest varieties of citrus in China, and it is one of Jiangxi Province's renowned specialties. Historically, it has been known for its bright golden color, thin skin, tender flesh, residue-free texture, rich sweetness, and fragrant aroma, making it famous both at home and abroad. According to "The Book of Yu," as early as over two thousand years ago, the citrus produced in the Nanfeng area was listed as a tribute product. Zeng Gong, one of the Eight Great Prose Masters of the Tang and Song Dynasties, wrote a poem praising his hometown's citrus: "Bright and numerous, the autumn fruits are seen, interspersed among the leaves like frosty branches. They resemble green plumes and gold-threaded balls, rubbing against each other. When peeled, they make common oranges seem inferior; when placed in a pot, they harmonize with salt and spices. The common people undervalue them, but even the imperial court finds ordinary trees lacking. Who could present them to the emperor? A great tree rises above the vast sea." At that time, tangerines were already being presented to the emperor, hence the Nanfeng tangerine also earned the reputation as…