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Geographic and dietary factors affecting selenium status The selenium in our food depends heavily on soil composition

Chen R, Peng X, Du W, Wu Y, Huang B, Xue L, et al

S-acetyl glutathione

The method for producing highly stable reduced glutathione for injection according to claim 1, wherein: in step 5, the freeze-drying comprises the steps of, preparing liquid and filling at 20-30 , putting a sample into a freeze dryer, quickly reducing the temperature of a plate layer to-40 , preserving heat for 1h, when the temperature of a partition plate is-10 +/-2 , preserving heat for 1h, quickly reducing the temperature of the plate layer to-40 within 1h, preserving heat for 3h, transferring to a cold trap at-50 , vacuumizing to below 10Pa, firstly preserving the temperature of the plate layer at-5 for 3h, then heating the plate layer to 10 within 3h, when a product is at 0 , starting to increase the temperature of the plate layer to 40 , and when the product is increased to 30 , preserving heat for 5 h

The tryptophan residue at its N-terminus provides a characteristic UV absorbance signature used for laboratory identification

An observational study evaluated the risk of type 2 diabetes associated with four genetic variants that may increase circulating phylloquinone (vitamin K1) concentrations