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Free Amino Nitrogen Assay Kit

品牌
Sigma-Aldrich
货号
MAK449
规格纯度
Sufficient for 100 colorimetric tests
参考价格
3189.17 *本价格含增值税费
促销
服务
  • 原厂保证
  • 包邮
  • 增值税票
数量
-+
产品名称:
Free Amino Nitrogen Assay Kit
产品介绍:

产品说明

一般描述

Free Amino Nitrogen (FAN) is the main source of nitrogen necessary for yeast growth and proper fermentation. Fermentation of beer and wine is processed by yeast, which synthesize proteins using available amino acids. When making beer and wine, free amino nitrogen is extracted from amino acids during the formation of the wort or must.

特点和优势

  • Linear detection range (5 μL sample): 0.2 to 10 mM for 10 min reaction.
  • Compatible with high-throughput handling systems.

适用性

The kit is suitable for Free Amino Nitrogen determination in foods and beverages (e.g. beer, wort, wine, must, etc.).

原理

The Free Amino Nitrogen Assay Kit measures alpha amino acids, ammonia, and end group amino nitrogens. The ninhydrin based reaction is a superior method for determining only alpha amino acids and ammonia compared to the traditional Kjeldahl, which measures nitrogen from all sources. The stable ninhydrin reagent provides a simple and accurate method for determining Free Amino Nitrogen concentrations.

产品性质

质量水平100
application(s)food and beverages
detection methodcolorimetric

安全信息

象形图GHS05GHS07GHS08GHS09
警示用语:Danger
危险声明H290 - H302 - H314 - H317 - H373 - H411
预防措施声明P273 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338 - P314
危险分类Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 2 Oral
靶器官Kidney
储存分类代码8A - Combustible, corrosive hazardous materials
WGKWGK 3

Sigma-Aldrich

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