Lanzhou Weiri Bio-Engineering Co., Ltd.

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Address: No.1328,Yanxi Road, Chengguan, Lanzhou, Gansu 730010, China
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Profile: Lanzhou Weiri Bio-Engineering Co., Ltd. is engaged in the researching, developing, manufacturing and marketing of bioengineering products. We provide natural food additives. Our main products include nisin and natamycin. We are an ISO 9001:2008 and ISO 22000:2005 certified company. Nisin is a polypeptide produced by lactococcus lactis, and can be digested into amino acids by alpha chymotrypsin in the human intestine and stomach. It is used in a wide range of processed foods.

3 Products/Chemicals (Click for related suppliers)

• Food Preservatives

IUPAC Name: 2-[2-[bis(2-oxido-2-oxoethyl)amino]ethyl-(2-oxido-2-oxoethyl)azaniumyl]acetate

Molecular Formula:	C₁₀H₁₃N₂O₈-₃	Molecular Weight:	289.218820 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	9

InChIKey: KCXVZYZYPLLWCC-UHFFFAOYSA-K

• Natamycin

Synonyms: pimaricin, NATAMYCIN, Natamycin preparation, Pimaricin preparation, MLS000759475, P0440_SIGMA, P9703_SIGMA, 80482_FLUKA, SMR000466358, (1R,3S,5R,7R,8E,12R,14E,16E,18E,20E,22R,24S,25R,26S)-22-[(3-amino-3,6-dideoxy-beta-D-mannopyranosyl)oxy]-1,3,26-trihydroxy-12-methyl-10-oxo-6,11,28-trioxatricyclo[22.3.1.0~5,7~]octacosa-8,14,16,18,20-pentaene-25-carboxylic acid

Molecular Formula:	C₃₃H₄₇NO₁₃	Molecular Weight:	665.725180 [g/mol]
H-Bond Donor:	7	H-Bond Acceptor:	14

InChIKey: NCXMLFZGDNKEPB-FFPOYIOWSA-N

• Nisin

Synonyms: NISIN, NSC112903

Molecular Formula:	C₁₄₃H₂₃₀N₄₂O₃₇S₇	Molecular Weight:	3354.070500 [g/mol]
H-Bond Donor:	41	H-Bond Acceptor:	43

InChIKey: VOSQDGQTENUVIE-INNOLEBESA-N