产品名称

唾液酸 (燕窝酸 / N-乙酰神经氨酸)

Sialic Acid (N-Acetylneuraminic Acid / NANA)

化学分类

九碳单糖衍生物 (N-acylated derivative of neuraminic acid)，是一类神经氨酸的衍生物。

A nine-carbon monosaccharide derivative (N-acylated derivative of neuraminic acid), a derivative of neuraminic acid.

核心成分

N-乙酰神经氨酸 (N-Acetylneuraminic Acid, Neu5Ac)：这是最常见和最重要的一种唾液酸。

N-Acetylneuraminic Acid (Neu5Ac): The most common and significant form of sialic acid.

来源分类

天然提取：燕窝（雨燕科）、鸡蛋黄（禽类）、牛奶（哺乳动物）
生物发酵：利用工程菌（如大肠杆菌、酵母）发酵生产。

Natural Extraction: Bird's Nest (Swiftlet), Egg Yolk (Avian), Milk (Mammalian)
Biological Fermentation: Produced by fermentation using engineered strains (e.g., E. coli, Yeast).

外观性状

白色至类白色结晶性粉末，无臭，味微酸。易溶于水，不溶于有机溶剂。

White to off-white crystalline powder, odorless, slightly acidic taste. Freely soluble in water, insoluble in organic solvents.

主要规格

食品级/化妆品级：
- 纯度 ≥98% (HPLC)
- 灰分 ≤0.5%
医药级/科研级：
- 纯度 ≥99% (HPLC, 无菌)
- 内毒素 <0.5 EU/mg
燕窝提取物：唾液酸含量 5%, 10%, 20% (HPLC)
蛋黄粉/蛋黄卵磷脂：唾液酸 1%, 2%, 3%

Food/Cosmetic Grade:
- Purity ≥98% (HPLC)
- Ash ≤0.5%
Pharma/Research Grade:
- Purity ≥99% (HPLC, Sterile)
- Endotoxin <0.5 EU/mg
Bird's Nest Extract: Sialic Acid content 5%, 10%, 20% (HPLC)
Egg Yolk Powder/Lecithin: Sialic Acid 1%, 2%, 3%

检测方法

HPLC, LC-MS

HPLC, LC-MS

CAS No.

131-48-6

131-48-6

分子式

C₁₁H₁₉NO₉

C₁₁H₁₉NO₉

分子量

309.27

309.27

药理功效

1. 促进脑部发育与神经修复 (Brain Development & Neural Repair)：核心功效。是神经节苷脂和糖蛋白的关键成分，参与神经细胞识别、粘附和信号传导，促进婴儿大脑和神经系统的发育，辅助神经损伤修复。
2. 抗病毒与抗菌 (Antiviral & Antibacterial)：作为细胞表面受体，竞争性结合病毒（如流感病毒、新冠病毒）和细菌毒素，阻止其侵入细胞，起到防御作用。
3. 免疫调节 (Immunomodulation)：调节免疫细胞活性，增强机体免疫力。
4. 抗氧化与抗衰老 (Antioxidant & Anti-aging)：清除自由基，保护细胞，延缓皮肤和机体衰老。
5. 改善记忆力 (Improves Memory)：提高学习能力和记忆巩固。

1. Brain Development & Neural Repair: Core function. A key component of gangliosides and glycoproteins, involved in nerve cell recognition, adhesion, and signal transduction. Promotes infant brain and nervous system development, aids in neural injury repair.
2. Antiviral & Antibacterial: Acts as a cell surface receptor, competitively binding to viruses (e.g., Influenza, SARS-CoV-2) and bacterial toxins, preventing cell invasion and providing defense.
3. Immunomodulation: Regulates immune cell activity, enhances immunity.
4. Antioxidant & Anti-aging: Scavenges free radicals, protects cells, delays skin and bodily aging.
5. Improves Memory: Enhances learning ability and memory consolidation.

应用领域

婴幼儿配方食品：高端婴儿奶粉、辅食营养补充品（模拟母乳成分，促进智力发育）。
保健品/功能性食品：脑健康产品（学生、脑力工作者、中老年人）、增强免疫产品、抗病毒辅助产品。
医药：神经营养药物、脑损伤修复辅助用药、抗病毒药物载体的研究与开发。
化妆品：抗衰老精华/面霜（促进胶原蛋白生成、修复表皮屏障）、舒缓修复类产品（增强皮肤免疫力）。
兽药/饲料添加剂：提高幼崽存活率，促进大脑发育，增强免疫力。

Infant Formula: Premium infant formula, complementary food supplements (mimics breast milk composition, promotes intellectual development).
Health Products/Functional Food: Brain health products (for students, professionals, elderly), immunity boosters, adjuvant antiviral products.
Pharma: R&D for neurotrophic drugs, adjuvant drugs for brain injury repair, and antiviral drug carriers.
Cosmetics: Anti-aging serums/creams (promotes collagen synthesis, repairs epidermal barrier), soothing and repairing products (enhances skin immunity).
Veterinary/Feed Additive: Improves survival rate of offspring, promotes brain development, enhances immunity.

包装储存

内双层无菌袋或铝箔袋，外纸板桶（1kg/袋，25kg/桶）。
密封，避光，阴凉干燥处。建议2-8°C冷藏保存以保持最佳活性。保质期2年。

Inner double-layer sterile bag or aluminum foil bag, outer cardboard drum (1kg/bag, 25kg/drum).
Sealed, protected from light, store in a cool, dry place. Refrigeration at 2-8°C is recommended to maintain optimal activity. Shelf life 2 years.