The standardized uptake value (SUV) is a nuclear medicine term, used in positron emission tomography (PET) as well as in modern calibrated Single Photon Emission Tomography (SPECT) imaging for a (semi)quantitative analysis.[1] Its use is particularly common in the analysis of [18F]fluorodeoxyglucose ([18F]FDG) images of cancer patients.
As you know tums tablets are mainly made of calcium carbonate. To get calcium carbonate, mining or quarrying is required but pure calcium carbonate can be made from a pure quarried source such as marble, etc.
Kumkum may be made from synthetic pigment and there are toxicity concerns with this, especially because kumkum is repeatedly applied directly to the skin. Kumkum is said to be made from turmeric by treating with alkali. It is certain that no saffron is sold for use as kumkum. Saffron is extremely costly.umkum may be made from synthetic pigment and there are toxicity concerns with this, especially because kumkum is repeatedly applied directly to the skin. Kumkum is said to be made from turmeric by treating with alkali. It is certain that no saffron is sold for use as kumkum. Saffron is extremely costly.