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HiPure Stool DNA Kit


D314102 HiPure Stool DNA Kit 50 preps $174.00
D314103 HiPure Stool DNA Kit 250 preps $746.00


With the development of molecular biology, stool, a new non-invasive sample, has been widely used in the research of animal molecular genetics, population ecology, behavioral ecology and some intestinal disease diagnosis. Stool samples includes gut microbial DNA, food residue sample DNA, and alimentary tract exfoliated cell DNA.

The primary problem encountered when using stool sample for molecular biology research is the low content of exfoliated cells in the digestive tract and a certain degree of degradation of genetic material in stool. Another issue in molecular scatology research based on PCR is the presence of a large number of inhibitors in stool that can affect Taq enzyme activity, leading to downstream detection inactivation. These inhibitors include polysaccharides, plant polysaccharides, bile acids, bile salts, bile pigments, digestive juices, mucus, etc. Therefore, selecting appropriate extraction methods to obtain high-quality DNA is the key to successful downstream detection of stool DNA.

At present, the pretreatment methods used in the laboratory, such as phenol/chloroform extraction, cetyltrimethyl bromide (CTAB) lysis, and guanidine isothiocyanate lysis, lack universality in different species, and the success rate of extracting DNA for PCR amplification is also very low. The HiPure Stool DNA Kit provided by Magen Company has opened up a new approach for DNA extraction from stool samples with good universality, high cost-effectiveness, high yield and purification. The reagent kit adopts a unique solution system and inhibitory factor adsorbent, which can efficiently remove various impurities in stool samples. The purified DNA can be directly used for PCR, quantitative PCR and other applications.

This product allows rapid and reliable isolation of high-quality genomic DNA from various stool samples. Up to 100 mg soil samples can be processed in 60 minute. The system combines the reversible nucleic acid binding properties of HiPure matrix with the speed and versatility of spin column technology to eliminate PCR inhibiting compounds such as humic acid from soil samples. Purified DNA is suitable for PCR, restriction digestion, and next-generation sequencing. There are no organic extractions thus reducing plastic waste and hands-on time to allow multiple samples to be processed in parallel.



Features Specifications
Main Functions Isolation total DNA from 50-100mg stool samples
Applications PCR, Southern Blot, enzyme digestion and NGS, etc.
Purification method Mini spin column
Purification technology Silica technology
Process method Manual (centrifugation or vacuum)
Sample type Stool
Sample amount 50-100mg
Yield 3-15μg
Elution volume ≥30μl
Time per run 60 minutes
Liquid carrying volume per column 750μl
Binding yield of column 100μg


Stool sample is homogenized and then treated in a specially formulated buffer containing detergent to lyse bacteria, yeast, and fungal samples. Humic acid, proteins, polysaccharides, and other contaminants are removed using our proprietary Absorber Solution. Binding conditions are then adjusted and the sample is applied to a DNA Mini Column. Two rapid wash steps remove trace contaminants and pure DNA is eluted in low ionic strength buffer. Purified DNA can be directly used in downstream applications without the need for further purification.


  • High purity - unique adsorbent can completely remove inhibitory factors
  • High concentration - maximum extraction of total DNA from stool samples
  • High recovery - DNA can be recovered at the level of PG
  • Good repeatability - silica technology can obtain ideal results every time

Kit Contents

Contents D314102 D314103
Purification Times 50 Preps 250 Preps
HiPure DNA Mini Columns II 50 250
2ml Collection Tubes 50 250
2ml Bead Tubes
Proteinase K
24 mg
120 mg
Protease Dissolve Buffer 1.8 ml 10 ml
Buffer SPL
40 ml
200 ml
Buffer PCI
40 ml
200 ml
Buffer AL
20 ml
80 ml
Buffer GW1 22 ml 88 ml
Buffer GW2 20 ml 2 x 50  ml
Buffer AE 15 ml 30 ml

Storage and Stability

Proteinase K and Buffer PCI should be stored at 2-8°C upon arrival. However, short-term storage (up to 12 weeks) at room temperature (15-25°C) does not affect their performance. The remaining kit components can be stored at room temperature (15-25°C) and are stable for at least 18 months under these conditions. The entire kit can be stored at 2–8°C, but in this case buffers should be redissolved before use. Make sure that all buffers are at room temperature when used.


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