Konjac flour/other physicochemical parameter detection

Baijia.net - a professional third-party testing and inspection platform that provides testing services for konjac flour/other physical and chemical pa

Sensory indicators&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp

 &Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp; Class&Nbsp; Don't

Level

 &Nbsp&Nbsp&Nbsp&Nbsp&Nbsp; Yan &Nbsp&Nbsp&Nbsp&Nbsp; Color

  Shape; State

  Qi; Taste

 

 

  Ordinary

konjac flour

  Ordinary konjac flour

Special grade

First grade

Second grade

Third grade

Fourth grade

White, with very small amounts of yellow, brown, and black particles allowed

Ordinary konjac flour is granular, free of lumps, and free from mold; Ordinary konjac powder in powder form, with a small amount of granules

Allow for the inherent fishy smell and extremely mild SO2 odor of konjac

White, with a small amount of yellow, brown, and black particles

; Ordinary

konjac flour

White or yellow, small amounts of brown or black particles allowed

Yellow or brown, small amounts of black particles allowed

brown or black

  Purified konjac powder

; Purified konjac flour

Special grade

First grade

Second grade

Third grade

White, with very small amounts of light yellow particles allowed

Purified konjac flour is granular, free from lumps and mold; Purified konjac powder in powder form, with a small amount of granules

Allow for extremely slight fish and alcohol odor inherent in konjac

White, with a small amount of yellow or brown particles

White or yellow, with a small amount of brown or black particles

; Purification

Konjac Micropowder

Yellow or brown, with a small amount of black particles allowed

 &Nbsp&Nbsp&Nbsp&Nbsp&Nbsp

 &Nbsp&Nbsp&Nbsp; Physical and chemical indicators

 &Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp; Item&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp;

 &Nbsp; Ordinary konjac flour

  Purified konjac flour

Special grade

First grade

Second grade

Third grade

Fourth grade

Special grade

First grade

Second grade

Third grade

Viscosity (4th rotor, 12r/min/30 ℃). mpa. s  ≥

18000

14000

8000

2000

------

28000

23000

18000

13000

Glucomannan (on a dry basis) &Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp; ≥

70

65

60

55

50

85

80

75

70

pH (1% aqueous solution)

&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp; 5.0-7.0

Moisture.%

&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp& ≤

11.0

12.0

13.0

14.0

15.0

 &Nbsp; 10.0

11.0

12.0

Ash content.%&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp& ≤

4.5

4.5

5.0

5.5

6.0

&Nbsp; 3.0

  4.5

Sand content.%&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp& ≤

 &Nbsp&Nbsp&Nbsp&Nbsp; 0.04

0.1

0.2

&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp; 0.04

Particle size (as defined).%&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp; ≥

 &Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp&Nbsp; 90

Note: The viscosity and glucomannan content indicators are mandatory items, but they have different focuses in different application fields. Glucomannan content or viscosity indicators can be used as the main indicators to judge the quality of konjac powder, respectively

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