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L-(+)-Ergothioneine
Product category:Cosmetic Raw Material

Product name: ergothioneine

CAS NO. : 497-30-3

Main specifications: 1%, 2% (low content is pine mushroom extract, brown yellow powder), 99% (high content is synthetic pure crystal powder)

Packing: 1g, 100g, 1kg/ aluminum foil bag, 25kg/ cardboard bucket

Uses: food industry bio-medical daily use

  • Additional Information
  • Description
  • Product category: Cosmetic Raw Material
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    Appearance

    Off-white to white powder

    Identification

     (L-ergothioneine)

    HPLC retention time

    correspond to RS

    Optical rotation

    (c = 1, H2O)

    ≥ (+) 122°

    Purity

    ≥ 99.5%

     Loss on Drying (dried at 105°C for 3 hours)

    ≤0.5%

    Assay

    (L-ergothioneine,dry basis)

    ≥ 99.0%

    Heavy Metals

    < 10 ppm

    Lead (Pb)

    < 1.0 ppm

    Arsenic (As)

    < 1.0 ppm

    Cadmium (Cd)

    < 0.3 ppm

    Mercury (Hg)

    < 0.1 ppm

    Total Plate Count

    ≤ 500 cfu/g

    Yeast & Mold

    ≤ 100 cfu/g

    E.Coli

    Negative in 10 g

    Salmonella

    Negative in 10 g

    S.Aureus

    Negative in 10 g

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