Tea Biz Blog | Podcast
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Tea Biz Blog
Edited by Dan Bolton, a veteran journalist and one of the best-known writers in tea. Dan shares insights and analysis based on decades covering beverage business news.
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Stay in touch with the Tea Biz team. Send us your tea news from around the world and suggestions for feature content. Email: Dan Bolton
- Tea Biz Podcast | Episode 35Tea News for the Week of Sept. 11 | Bids Top $4 Billion for Unilever Tea Portfolio | India May Halt Imports of Nepal Tea | Sales of Herbal Supplements in US Exceed $10 Billion | PLUS The Physics of Black Tea Film | and the Rainforest Alliance’s Madhuri Nanda on the evolution of sustainable farming to more holistic regenerative agriculture.
- The Physics of Black Tea FilmResearchers once thought tea film was due to waxy substances in leaves released during steeping. That is not the case. The delicate film is an interfacial interaction of air, tea polyphenols, and calcium carbonate ions in water.