Spermidine Powder

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Product Name	Spermidine Powder	Category	Plant Extract
Appearance	White Powder	Purity (HPLC)	≥0.2%
Yeast	≤100cfu/g

Product Details

Spermidine, also known as spermidine trihydrochloride, is a polyamine. It is widely distributed in organisms and is biosynthesized by putrescine (butanediamine) and adenosylmethionine.

Spermidine is an abundant natural polyamine found in wheat germ. It can inhibit neuronal synthase, bind and precipitate DNA, and can also be used to purify DNA binding protein, stimulate T4 polynucleotide kinase activity.

Test Items	Specifications	Results
Appearance	White powder	Conforms
Purity (HPLC)	≥0.2%	0.21%
Particle size	100% pass 80mesh	Conforms
Loss on drying	≤2.0%	1.80%
Heavy metal contents
Pb	≤0.5ppm	Conforms
As	≤0.5ppm	Conforms
Hg	≤0.5ppm	Conforms
Cd	≤0.5ppm	Conforms
Microbiological Tests
Total number of bacteria	≤1000cfu/g	Conforms
Yeast	≤100cfu/g	Conforms
Escherichia coli	Not detected	Not detected
Salmonella	Not detected	Not detected
Staphylococcus	Not detected	Not detected
Conclusion: The product conforms to the above in-house standards.