3 羟基 d 酪氨酸检测标准

D-(-)-para-hydroxyphenylglycine

Commission Implementing Regulation (EU) 2018/249 of 15 February 2018 concerning the authorisation of taurine, beta-alanine, L-alanine, L-arginine, L-aspartic acid, L-histidine, D,L-isoleucine, L-leucine, L-phenylalanine, L-proline, D,L-serine, L-tyrosine, L-methionine, L-valine, L-cysteine, glycine, monosodium glutamate and L-glutamic acid as feed additives for all animal species and L-cysteine hydrochloride monohydrate for all species except cat

Commission Implementing Regulation (EU) 2018/1567 of 18 October 2018 correcting Implementing Regulation (EU) 2018/249 concerning the authorisation of taurine, beta-alanine, L-alanine, L-arginine, L-aspartic acid, L-histidine, D,L-isoleucine, L-leucine, L-phenylalanine, L-proline, D,L-serine, L-tyrosine, L-methionine, L-valine, L-cysteine, glycine, monosodium glutamate and L-glutamic acid as feed additives for all animal species and L-cysteine hyd

Determination of 25-Hydroxy Vitamin D, in feeds

Determination of 2,3,5,4'-tetrahydroxystilbene-O-β-D-glucoside in cosmetics―High performance liquid chromatography

Feed additive-Calcium salt of hydroxyl analogue of methionine

D(-)Alpha-Parahydroxyphenylglycine Dane Salt(Methyl Potassium)

Determination of methionine hydroxy analogue in feeds - High-performance liquid chromatography

Foodstuffs of processed poultry eggs. Methods for determination of succinic, lactic and 3D-hydroxibutyric acids

Operating guidelines for measurement of serum 25-hydroxyvitamin D3—Isotope dilution liquid chromatography tandem mass spectrometry

Feed additive—Methionine hydroxy calcium

Feed additives—Part 1：Amino acids, their salts and analogues—Methionine hydroxy analogue