Before Thinking About Products, Set Controllable Raw-Material Specifications for Tea and Coffee By-Products

# AI-Driven Indigenous Township Economy and Policy Watch | Before Thinking About Products, Set Controllable Raw-Material Specifications for Tea and Coffee By-Products

On July 17, the Tea and Beverage Research Station announced a non-exclusive licensing opportunity for “Technology for Processing Tea and Coffee By-Products into Powder”. Tea-growing areas, coffee-producing regions, and community cooperatives in Indigenous townships should take note. The announcement does not mean that waste can immediately become a product; it means these by-products now have a pathway toward formal technology transfer and managed processing. Whether they can support a local industry will still depend on a stable supply of raw materials, suitable equipment, affordable costs, and whether the intended uses of the processed materials comply with the law.

For small farmers, the first question is not whether something can be ground into powder, but what the material actually is: tea stems, mature leaves, coffee-cherry skins, coffee silverskin, or something else. Moisture levels, odors, foreign matter, and microbial risks can all vary with the harvest season, processing method, and storage environment. If materials from different sources and with different moisture levels are mixed together, even excellent grinding equipment will struggle to produce consistent quality. Cooperatives and farmers’ associations should therefore begin by recording batch numbers, source farms, collection dates, moisture levels, drying conditions, storage periods, and foreign-matter inspections, turning the incoming material into something that can be checked against a clear specification.

The second question is the intended use. Turning a material into powder is only a form of processing; it does not automatically make the powder eligible to be labeled or sold as an ingredient for food, feed, fertilizer, cosmetics, or another product. Each use has its own testing, registration, and labeling requirements. The most prudent approach is to obtain the full licensing documents from the Tea and Beverage Research Station, confirm the eligible materials, equipment, process, quality indicators, and licensing terms, and then run small-batch trials that measure energy use, material loss, labor, and transport costs. Producers should not buy equipment first and only afterward search for raw materials and a market.

Viewed alongside the 2026 第三屆臺灣咖啡分類分級評鑑賽 (Third Taiwan Coffee Classification and Grading Competition), the coffee industry in Indigenous townships could establish two linked sets of records: one for green-bean batches, post-harvest processing, and flavor; the other for the quantity of by-products, how they are handled, processing costs, and their destinations. The first helps the market understand quality. The second makes circular use traceable instead of leaving it as a promotional slogan.

Public policy does not necessarily need to subsidize a separate machine for every farmer. It could instead establish shared regional services for drying, grinding, testing, and technical advice. AI can help consolidate batch records, moisture levels, processing parameters, and costs, but it cannot replace laboratory testing, regulatory determinations, or commercial validation. Indigenous local industries need to make their raw materials controllable first, and then connect the technology, equipment, and market step by step.