Nomograph for Correction of Lactometer Readings and Calculation of Milk Solids

Lampert, L. M.

doi:10.1021/ac50149a013

Cited by 3 publications

(2 citation statements)

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“…7,18 The addition of water to milk is also detected by measuring the specific gravity of milk by a lactometer. 19 Milk adulterated with water is common in Asian countries (Bangladesh, China, India, Pakistan, etc.) compared to European countries, where the cost of milk is cheaper than water.…”

Section: Introductionmentioning

confidence: 99%

“…The SNF (all of the nutrients excluding fat) decreases with the amount of water added; for example, SNF is ∼9.1 for undiluted milk and it is ∼8.3 for milk diluted with 10 wt % water . In 2018, in India, 33.7% of the milk sampled possessed low SNF quality, and the average dilution was in the range of 2–20% of water. , The addition of water to milk is also detected by measuring the specific gravity of milk by a lactometer . Milk adulterated with water is common in Asian countries (Bangladesh, China, India, Pakistan, etc.)…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Evaporation-Based Low-Cost Method for the Detection of Adulterant in Milk

Kumar

Dash

2021

ACS Omega

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Adulteration of milk poses a severe health hazard, and it is crucial to develop adulterant-detection techniques that are scalable and easy to use. Water and urea are two of the most common adulterants in commercial milk. Detection of these adulterants is both challenging and costly in urban and rural areas. Here we report on an evaporation-based low-cost technique for the detection of added water and urea in milk. The evaporative deposition is shown to be affected by the presence of adulterants in milk. We observe a specific pattern formation of nonvolatile milk solids deposited at the end of the evaporation of a droplet of unadulterated milk. These patterns alter with the addition of water and urea. The evaporative deposits are dependent on the concentrations of water and urea added. The sensitivity of detection of urea in milk improves with the dilution of milk with water. We show that our method can be used to detect a urea concentration as low as 0.4% in milk. Based on the detection level of urea, we present a regime map that shows the concentration of urea that can be detected at different extents of dilution of milk.

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Section: Introductionmentioning

confidence: 99%