Common sense of coffee beans what is the second grade of Yunnan coffee beans

Special second class

Appearance and sensory properties

The project is required.

Special second class

The sensory aroma, flavor and taste are all good.

The appearance should be light blue or light green.

Physical index

Item two-level (7.1mm) test method

Particle size / >,% 90DB53/T 154.6

Broken beans / (%), ≤ 10DB53/T 154.8

Discolored beans / (%), ≤ 2.0DB53/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