L-酪氨酸粉
Product Name:L-酪氨酸
Apperance:白色粉末
CAS:60-18-4
Specification:98%
Place of Origin:Shaanxi, China
Brand Name:纯草本
Application:营养补充剂
MOQ:1Kg
Sample:自由提供
Storage:冷干燥的地方
Package:1kg/bag25kg/drum
Core Advantages of L-Tyrosine Powder:
- 神经递质前体 L-Tyrosine serves as a precursor for multiple key neurotransmitters. These substances are closely linked to mood, stress response, cognitive function, and motivation.
- 缓解急性应激反应 Research indicates that supplementing with L-Tyrosine during short-term high-pressure environments may help maintain cognitive flexibility and working memory, mitigating stress-induced cognitive decline.
- 非处方药且易于获取 As an OTC supplement, L-tyrosine powder allows for easy dosage adjustment and rapid absorption.
- 潜在的情绪支持 For low mood stemming from neurotransmitter imbalances, appropriate supplementation may help improve emotional well-being.
Functional Effects of L-Tyrosine Powder:
- 1. 认知功能和注意力 Performance under stress: L-tyrosine demonstrates effects in slowing cognitive decline, potentially enhancing attention and task-switching abilities. Limitations: Effects may be less pronounced in well-rested individuals, primarily targeting stress states.
- 2. 情绪调节 By supporting dopamine synthesis, it may indirectly improve motivation and positive emotions, particularly for mildly low-motivation states.
- 3. 生理压力支持 May help maintain neuroendocrine balance in extreme environments.
- 4. 甲状腺功能支持 L-Tyrosine is a precursor for thyroid hormone synthesis (T3, T4).
| 物品 | 标准 | 测试结果 | 结论 |
|---|---|---|---|
| 测定 | 98.5% - 101.5% | 99.27% | 符合 |
| Physical & Chemical | |||
| 外貌 | 白色结晶粉末 | 白色结晶粉末 | 符合 |
| 鉴别 | 红外线吸收 | 符合 | 符合 |
| Specific rotation [α]D²⁵ | -9.8° ~ -11.2° | -10.67° | 符合 |
| Fe (Iron) | ≤ 0.003% | 符合 | 符合 |
| 硫酸盐 | ≤ 0.04% | 符合 | 符合 |
| 氯化物 | ≤ 0.04% | 符合 | 符合 |
| 干燥时损失 | ≤ 0.3% | 0.15% | 符合 |
| 灰 | ≤ 0.4% | 0.11% | 符合 |
| 重金属 | |||
| As (Arsenic) | ≤ 1.0 ppm | < 1.0 ppm | 符合 |
| Pb (Lead) | ≤ 2.0 ppm | < 2.0 ppm | 符合 |
| Cd (Cadmium) | ≤ 1.0 ppm | < 1.0 ppm | 符合 |
| Hg (Mercury) | ≤ 0.1 ppm | < 0.1 ppm | 符合 |
| 微生物测试 | |||
| 总板数 | ≤ 1,000 cfu/g | 符合 | 符合 |
| Yeast & Mold | ≤ 100 cfu/g | 符合 | 符合 |
| E. Coli | 消极的 | 消极的 | 符合 |
| 沙门氏菌 | 消极的 | 消极的 | 符合 |
| 金黄色葡萄球菌 | 消极的 | 消极的 | 符合 |


