Classification standard of high-quality coffee beans Yunnan coffee bean special secondary standard
Special secondary appearance and sensory properties
Project
To ask for
Special second class
Sensory organs
The aroma, flavor and taste are all good.
Appearance
It should be light blue or light green.
Physical index
Item
Special level 2 (7.1mm)
Inspection method
Particle size / >,%
ninety
DB53/T 154.6
Broken beans / (%), ≤
ten
DB53/T 154.8
Discolored beans / (%), ≤
2.0
DB53/T 154.8
Foreign object / (%), ≤
0.1
DB53/T 154.8
Chemical index
Item
Index mark
Inspection method
Water content (%)
≤ 12.5
ISO1447
Ash (%)
≤ 4.2
GB/T5009.4
Water extract (%)
≥ 20.0
GB/T8305
Caffeine (%)
≤ 1.2
GB/T16344
Total sugar (%)
≥ 9.0
GB/T16286
Egg white (%)
≥ 11.0
GB/T5009.5
Crude fat (%)
≥ 5.0
GB/T5009.6
Crude fiber dimension (%)
≤ 35.0
GB/T5009.10
Sanitary index
Item
Index mark
Inspection square method
Arsenic (in As, mg/kg)
≤ 0.5
GB/T5009.11
Lead (in Pb, mg/kg)
≤ 0.5
GB/T5009.12
Copper (in Cu, mg/kg)
≤ 20.0
GB/T5009.13
Six, six, six (mg/kg)
Not allowed to check out
GB/T5009.19
DDT (mg/kg)
Not allowed to check out
GB/T5009.19
(this article is reprinted)
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Classification standard of high-quality coffee beans Yunnan coffee bean special first-class standard
The first-class appearance and sensory characteristics project requires that the special-level sensory aroma, flavor and taste are very good. The appearance should be light blue or light green. Physical index item special level (7.1mm) test method granularity / >, 90 DB53/T 154.6 broken beans / (%), 5 DB53/T 154.8 discolored beans / (%), 1.0 DB53/T 154.8 foreign bodies / (%), 0.1 DB53/
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