Qingdao Sigma Chemical Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

 

Our Laboratory is located in shandong province. There are 15 experts in our research team. Talented personnel and well-equipped laboratory makes rigorous and professional quality control possible. Lyphar Biotech is equipped with various detection devices, such as HPLC, GC, Spectrophotometer, AAS, Polarimeter, Auto titrators, BOD Incubators, COD Incubators, Melting point apparatus and so on.

 

The aim of QDSIGMA is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.

 

QDSIGMA has become the "Top 500 Chinese manufacturing companies","Top 20 of global chemical sales".QDSIGMA has 21 subsidiaries and holding companies.

 

Applications:

1.Applied in pharmaceutical field, grapefruit extract naringin powder used as the raw materials of drugs for bacterial infections, sedative and anti-cancer;

2.Applied in health product, grapefruit extract naringin powder with the function of sedative and boosting immune system.

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Specifications: 98% up by HPLC

Test Items	Specifications
Appearance	White crystalline fine powder
Odor	Characteristic
Identification	Positive
Content	≥ 98% by HPLC
Loss on Drying	≤ 5.0%
Residue on ignition	≤ 0.3%
Particle size	80 Mesh 100% Passes
Heavy Metals	≤ 10ppm
Arsenic	≤ 2ppm
Total Plate Count	NMT 10000cfu/g
Yeast / Mould	NMT 2000cfu/g
E.Coli	Negative
Salmonella	Negative