维生素B1
简介
维生素B1 (VB1)，又称硫胺素，是最早被人类纯化的水溶性维生素。主要来源于种子的外皮和胚芽。硫胺素通常以其盐酸盐的形式出现，也称为硫胺盐酸盐。维生素b1粉外观为白色结晶。它有微弱的特殊气味，苦味，潮解。其主要功能是维持正常的葡萄糖代谢。
规格
| ITEM | SPECIFICATION | RESULT |
| APPEARANCE | WHITE OR ALMOST WHITE CRYSTALLINE POWDER OR COLOURLESS CRYSTALS | WHITE CRYSTALLINE POWDER |
| IDENTIFICATION | 1.SHOULD BE POSITIVE REACTION 2.CONSISTENT WITH THE REFERENCE IR SPECTRA | 1.POSITIVE REACTION 2.CONSISTENT WITH THE REFERENCE IR SPECTRA |
| APPEARANCE OF SOLUTION |
CLEAR,NOT MORE THE SOLUTION OF POTASSIUM DICHROMATE |
NO MORE COLOR PRODUCED |
| PH | 2.7-3.3 | 2.9 |
| SULPHATES | NMT300PPM | ﹤300PPM |
| LIMIT OF NITRATE | NO BROWN RINGIS PRODUCED AT THE JUNCTION OF THE TWO LAYERS |
NO BROWN RINGIS PRODUCED AT THE JUNCTION OF THE TWO LAYERS |
| HEAVY METALS | NMT10PPM | ﹤10PPM |
| LEAD | NMT2PPM | ﹤2PPM |
| WATER | NMT 5.0% | 1.4% |
| RESIDUE ON IGNITION | NMT 0.1% | 0.04% |
| ABSORBANCE OF | NMT0.025 | 0.021 |
| RESIDUAL SOLVENTS -METHANOL -ETHANOL |
NMT0.3% NMT0.5% | ﹤0.3% ﹤0.5% |
| RELATED SUBSTANCES (DISREGARD LIMIT 0.05%) -ANY IMPURITY -TOTAL IMPURITIES |
NMT0.4% NMT1.0% | 0.04% 0.07% |
| CHROMATOGRAPHIC | NMT1.0% | 0.001 |
| ASSAY | 98.5~101.0% | 0.997 |
| MICROBIALS | ||
| –S.AUREUS | NEGATIVE | NEGATIVE |
| –SALMONELLA | NEGATIVE | NEGATIVE |
| –E.COLI | NEGATIVE | NEGATIVE |
| –TOTAL PLATE COUNT | NMT1000CFU/G | ＜1000CFU/G |
| –YEAST AND MOLD | NMT100CFU/G | ＜100CFU/G |
用途
硫胺素的主要作用是帮助消化食物中的糖和碳水化合物(淀粉)。
缓解晕车。
缓解与牙科手术有关的疼痛:有助于带状疱疹(带状疱疹)的治疗。
充足的维生素b1能有效维持人体血管壁的力量。
帮助消化:改善食欲减退、消化不良。
改善心理健康:维持神经组织、肌肉、正常心脏活动。
