The distinction between good and bad quality milk powder

(1) high quality milk standards

Packaging: packaging integrity, identifies the trademark name, production plant, production date, lot number, expiration, etc. Packaging of different materials, different save period. Requirements: Bahau nitrogen packaging cans sealed grams of milk powder kept for a period of 2 years, not grams nitrogen packaging for 1 year; bottled for 9 months, bags for 6 months.

Color: yellow color is creamy white or milk, uniform color, glossy.

Organization State: plastic bags of milk powder by hand when pinched, feel soft and loose, a slight rustling sound; glass cans of milk powder, the tank upside down slowly, when slight shake, tank milk powder without adhesive at the end.

Sound: packed in tinplate cans of milk while invisible, but can have their voices heard. Shake the tinplate cans, will issue a \"rustle\" sound, sound clarity.

Flavors: pure disinfected milk flavor. Full cream milk powder milk flavor with a slightly sweet, delicate and agreeable; skim milk powder is taste lighter.

Impact test: take a spoonful of milk powder into the glass, boiling water after fully reconciled, standing for 5 minutes, together with milk powder dissolved in water, there is no precipitation.

(2) characteristics of inferior milk powder

Packing: packing is complete but identify obsolete indicate retention period has expired.

Color: Coke was yellow, grey or other dark colors.

Organization State: plastic bags of milk powder by hand when pinched, feels sticky hard milk powder, that milk has wet and moisture absorption and

Caking; if milk is to crumble by hand, shows that quality change is not edible; if block-shaped large and hand pinch unbreakable, shows milk powder is not fit for human consumption. Glass bottled milk, the tank upside down shake, milk cans viscosity, shows poor quality.

Sound: shaking the tinplate cans, making it sound, sound heavier, unclear, indicate that the milk powder moisture caking.

Flavor: with their taste, sour taste, and smell, or a bitter taste.

Impact test: a glass of milk with boiling water aside, small lumps of suspended matter or insoluble in water, bottom of the Cup have a fine powder by precipitation, water and milk have separate signs.