行业组件数据 · 2026

乳糖晶体基质

A structured crystalline framework of lactose monohydrate used as a carrier and diluent in pharmaceutical tablet manufacturing.

技术定义与适配语境
典型 乳糖晶体基质 会按材料、尺寸公差、适配关系和失效风险在 化学制造 中评估。

The lactose crystal matrix is a precisely engineered crystalline structure composed of pharmaceutical-grade lactose monohydrate particles arranged in a specific geometric configuration. This component serves as the primary excipient in tablet formulations, providing structural integrity, uniform drug distribution, and controlled dissolution properties. The matrix is designed with optimal particle size distribution (typically 50-200 μm), specific surface area, and crystalline morphology to ensure consistent compaction behavior, flow characteristics, and bioavailability enhancement in final pharmaceutical products.

组件规格

定义
The lactose crystal matrix is a precisely engineered crystalline structure composed of pharmaceutical-grade lactose monohydrate particles arranged in a specific geometric configuration. This component serves as the primary excipient in tablet formulations, providing structural integrity, uniform drug distribution, and controlled dissolution properties. The matrix is designed with optimal particle size distribution (typically 50-200 μm), specific surface area, and crystalline morphology to ensure consistent compaction behavior, flow characteristics, and bioavailability enhancement in final pharmaceutical products.
工作原理
The lactose crystal matrix functions through controlled crystalline bonding and capillary action during tablet compression. When subjected to pressure in tablet presses, the crystalline surfaces undergo plastic deformation and fragmentation, creating new bonding sites through mechanical interlocking and solid bridges. The α-lactose monohydrate crystals exhibit specific water sorption properties that facilitate binding while maintaining chemical stability. During dissolution, the matrix structure controls liquid penetration through capillary networks, regulating drug release kinetics according to designed porosity and surface characteristics.
材料
Pharmaceutical-grade α-lactose monohydrate (C12H22O11·H2O) with purity ≥99.5%crystalline form: tomahawk-shaped crystalsmoisture content: 4.5-5.5% w/wresidual solvents: <0.5% totalmicrobial limits: TAMC <1000 CFU/gTYMC <100 CFU/gabsence of E. coli and Salmonella.
solubility
21 g/100 mL water at 25°C
bulk density
0.55-0.65 g/cm³
hausner ratio
1.18-1.25
loss on drying
4.5-5.5%
tapped density
0.70-0.80 g/cm³
angle of repose
30-35°
crystalline form
α-monohydrate
compressibility index
15-20%
specific surface area
0.3-0.5 m²/g
particle size distribution
D10: 50 μm, D50: 100 μm, D90: 200 μm
标准
ISO 9001ISO 13485USP-NFEPJPICH Q3CICH Q7

行业分类与别名

乳糖晶体基质 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Inadequate moisture control during storage->Reduced flowability and inconsistent tablet weight->Implement humidity-controlled storage (RH <60%), use desiccants in packaging, conduct regular moisture content testing
Particle size distribution outside specification->Poor compaction and tablet friability issues->Implement statistical process control for milling operations, conduct regular particle size analysis, establish acceptance criteria for D10, D50, D90 values
Crystalline polymorphism or form change->Altered dissolution profile and bioavailability->Implement XRPD analysis for crystalline form verification, control crystallization parameters, establish stability testing protocols

工业生态与工程逻辑

0
Moisture sensitivity affecting flow properties
1
Potential for caking during storage
2
Batch-to-batch variability in crystalline morphology
3
Microbial contamination risk
4
Incompatibility with certain APIs (e.g., amines)

合规与检测

tolerance
±5% for particle size distribution, ±0.5% for moisture content, ±2% for bulk density
test method
USP <786> for particle size, USP <731> for loss on drying, USP <616> for bulk density, USP <61> for microbial limits, HPLC for purity, XRPD for crystalline form

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制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What is the primary function of lactose crystal matrix in pharmaceutical manufacturing?

The lactose crystal matrix serves as the primary excipient in tablet formulations, providing structural support, uniform drug distribution, controlled dissolution properties, and consistent compaction behavior during tablet manufacturing processes.

How does particle size distribution affect tablet quality?

Optimal particle size distribution (50-200 μm) ensures consistent flow properties, uniform die filling, homogeneous mixing with active ingredients, and predictable compaction behavior, resulting in tablets with consistent weight, hardness, and dissolution profiles.

What are the storage requirements for lactose crystal matrix?

Store in sealed containers at controlled room temperature (15-25°C) with relative humidity below 60%. Protect from moisture absorption and contamination. Shelf life is typically 36 months from manufacturing date when stored properly.

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CNFX Industrial Component Index · 化学制造

数据基础

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URN:CNFX:ME:UNIT:LACTOSE_CRYSTAL_MATRIX