High-quality coffee study Yunnan coffee beans special second-class standard

Special Grade II

Appearance and sensory characteristics

project

to please

Special Grade II

sensory

Aroma, flavor and texture are excellent.

appearance

It should be light blue or light green.

physical indexes

one mesh

Special Grade II (7.1mm)

test methods

Grain size/ > ， %

90

DB53/T 154.6

Broken beans/ (%) ， ≤

10

DB53/T 154.8

Discolored beans/ (%) ， ≤

2.0

DB53/T 154.8

Foreign matter/ (%) ， ≤

0.1

DB53/T 154.8

chemical indicators

one mesh

indicators

test methods

water Points ( %)

≤12.5

ISO1447

ash Points ( %)

≤4.2

GB/T5009.4

Water Extractables ( %)

≥20.0

GB/T8305

Caffeine ( %)

≤1.2

GB/T16344

total Sugar ( %)

≥9.0

GB/T16286

Albumin ( %)

≥11.0

GB/T5009.5

Crude fat ( %)

≥5.0

GB/T5009.6

Crude fiber ( %)

≤35.0

GB/T5009.10

health indicators

one mesh

refers to standard

test method

Arsenic (as As, mg/kg)

≤0.5

GB/T5009.11

Lead (mg/kg)

≤0.5

GB/T5009.12

Copper (mg/kg)

≤20.0

GB/T5009.13

HCH (mg/kg)

should not be detected

GB/T5009.19

DDT（mg/kg）

should not be detected

GB/T5009.19