Yunnan Coffee Bean Special Grade I Standard

Published: Oct 03, 2026 Author: World Gafei Last Updated: Oct/03/2026 110 views

Special first-class appearance and sensory characteristics project requires special first-class sensory aroma, flavor and taste are very good. The appearance should be light blue or light green. Physical index item item first-order (7.1mm) test method: particle size /,% 90DB53/T 154.6 broken beans / (%), 5DB53/T 154.8 discolored beans / (%), 1.0DB53/T 154.8 foreign matter / (%), 0.1DB53/T

Special level

Appearance and sensory properties

The project is required.

Special level

The sensory aroma, flavor and taste are all good.

The appearance should be light blue or light green.

Physical index

Item first level (7.1mm) test method

Particle size / >,% 90DB53/T 154.6

Broken beans / (%), ≤ 5DB53/T 154.8

Discolored beans / (%), ≤ 1.0DB53/T 154.8

Foreign object / (%), ≤ 0.1DB53/T 154.8

Chemical index

Inspection method of item index

Moisture (%) ≤ 12.5ISO1447

Ash (%) ≤ 4.2GB/T5009.4

Water extract (%) ≥ 20.0GB/T8305

Caffeine (%) ≤ 1.2GB/T16344

Total sugar (%) ≥ 9.0GB/T16286

Egg white (%) ≥ 11.0GB/T5009.5

Crude fat (%) ≥ 5.0GB/T5009.6

Crude fiber (%) ≤ 35.0GB/T5009.10

Sanitary index

Inspection square method of item target

Arsenic (in As, mg/kg) ≤ 0.5GB/T5009.11

Lead (in Pb, mg/kg) ≤ 0.5GB/T5009.12

Copper (in Cu, mg/kg) ≤ 20.0GB/T5009.13

No GB/T5009.19 can be detected in mg/kg.

DDT (mg/kg) must not detect GB/T5009.19

FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou China, selling freshly roasted beans from its own farm in Yunnan as well as dozens of carefully selected single-origin beans from around the world for both pour-over and espresso. The products deliver consistently excellent quality and great value, with shipping within 24 hours. Guangzhou's FrontStreet Coffee shop is recommended by many coffee lovers, and the beans are now available online at the Tmall 。