1. Nutrients are insoluble in water
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1. Reasons:
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Milk powder itself contains nutrients that are insoluble or slightly soluble in water. The protein and fat in the main components of infant formula milk powder are insoluble or slightly soluble in water, when the milk powder is completely dissolved and cooled, some fat nutrients will precipitate and adhere to the wall of the bottle, which does not matter.
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2. Note:
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When brewing milk powder, the insoluble sediment at the bottom of the bottle is an insoluble substance, not other impurities, and does not pose any health and safety risk factors to the baby.
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2. No cosolvent
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1. Reasons:
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Some milk powder dissolves very quickly, especially the milk powder that can be quickly dissolved in low temperature water or even cold water, which may be the result of adding a co-solvent.
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2. Note:
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At present, the organic food guide standards in some countries clearly stipulate that organic food is prohibited from adding.
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3, water temperature, stirring and water quality impact
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1. Reasons:
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Improper water temperature and mixing method of brewing milk powder will cause insufficient dissolution of milk powder, resulting in sediment on the bottle wall.
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2. Note:
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The water temperature is too high, the water temperature is too low, and the over-boiling water will cause the milk powder to dissolve insufficiently and destroy the nutritional content of the milk powder.
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4, milk powder molecular particles
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1. Reasons:
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2. Note:
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Different batches of milk powder have different particle size and bulk degree.
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5. Active substances are added
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1. Reasons:
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Milk powder added a high content of active substances such as: casein phosphopeptide (CPP), α-whey protein, active probiotics, high-quality DHA, etc., because to ensure its nutritional activity, is dry mixed into the milk powder, there will be slow dissolution, bottle wall bottle bottom white spots, is a normal phenomenon, does not affect the quality of milk powder.
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2. Note:
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If the stratification phenomenon occurs after the milk powder is adjusted, it is generally milk powder deterioration, that is, protein denaturation or oil separation occurs, and it cannot be eaten. Normal milk powder, dissolve for a while will be good, and protein denatured milk powder dissolve for how long is the same, there will be stratification.