ZELANG ™ - Natural Plant Extract Powder Expert

Natural Plant Extract Powder Expert

  • Count: 1570
  • Date: 7/12/2017 2:36:10 PM
  • author: Roy Cai
Curcumin image
Items Results
Product Name E 100 CURCUMIN
Synonyms CI Natural Yellow 3 , Turmeric Yellow, Diferoyl Methane
Definition Curcumin is obtained by solvent extraction of turmeric i.e. the ground rhizomes of natural strains of Curcuma longa L. In order to obtain a concentrated curcumin powder, the extract is purified by crystallization . The product consists essentially of curcumins; i.e. the colouring principle ( l,7-bis(4-hydroxy-3-methoxyphenyl)hepta-l,6-dien-3,5-dione) and its two desmethoxy derivatives in varying proportions. Minor amounts of oils and resins naturally occuring in turmeric may be present. Only the following solvents may be used in the extraction: ethylacetate, acetone, carbon dioxide, dichloromethane, n-butanol, methanol , ethanol, hexane .
Class Dicinnamoylmethane
Colour Index No 75300
Einecs 207-280-5
Chemical names I l,7-Bis(4-hydroxy-3-methoxyphenyl)hepta-l,6-diene-3,5-dione
II l-(4-Hydroxyphenyl)-7-(4-hydroxy-3-methoxy-phenyl-)hepta-l,6-diene3,5-
dione
III l,7-Bis(4-hydroxyphenyl)hepta-l,6-diene-3,5-dione
Chemical formula I C21H20O6
II C20H18O5
III C19H16O4
Molecular weight I.368,39 II.338,39 III.308,39
Identification
A. Spectrometry Maximum in ethanol at ca 426 nm
B. Melting Range 179—182 °C
Description Orange-yellow crystalline powder

Items Results
Parameters Limits (COMMISSION DIRECTIVES 95 /45/EC)
Assay Content not less than 90 % total colouring matters
E 1% 1cm 1 607 at ca 426 nm in ethanol
Purity
Heavy Metals (As Pb) NMT 40ppm
Lead NMT 10ppm
Arsenic NMT 3ppm
Cadmium NMT 1ppm
Mercury NMT 1ppm
Residual Solvents
Ethylacetate Not more than 50 mg/kg, singly or in combination
Acetone
n-butanol
Methanol
Ethanol
Hexane
Dichloromethane not more than 10 mg/kg
Residual Pesticides Complying with EC No.396/2005

Additional Information Curcumin, Turmerone, Cur, Curcuma, Turmeric extract, 姜黄素, Natural Plant Extract Powder Expert

Items Results
Genetic Modification Status GMO Free
Country of Origin China PR
Cultivated or wild crafted Cultivated
Package 20kg/drum
Storage Condition Store in tight, light-resistant containers, and avoid exposure to direct sunlight and excessive heat.
Shelf Life 24 months if properly stored

  • Betty

    No.1

    Miss.Betty Ask:
    • 8/14/2017 3:55:02 PM
    • ★★★★★

    What’s your MOQ?


    Tina Shi
    ZELANG ™ Tina Shi Answer:

    basically, Our MOQ is 1kg. some are 25kg, it will depends. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.


  • Gary

    No.2

    Mr.Gary Ask:
    • 8/11/2017 1:28:22 AM
    • ★★★★★

    What's your package?


    Phoebe Yoon
    ZELANG ™ Phoebe Yoon Answer:

    Usually, packaged in 25kg/drum, 1kg/bag. it will also according to our customer's request.


  • Malcolm

    No.3

    Mr.Malcolm Ask:
    • 8/11/2017 2:42:21 PM
    • ★★★★☆

    How to start orders or make payments?


    Daniel Yang
    ZELANG ™ Daniel Yang Answer:

    Proforma invoice will be sent first after confirmation of order, enclosed our bank information.


  • Henry

    No.4

    Mrs.Henry Ask:
    • 8/14/2017 3:58:58 PM
    • ★★★★★

    Can you offer the packing ways different from your conventional packaging?


    Erika Liu
    ZELANG ™ Erika Liu Answer:

    Yes, of course. We could pack as your special requirements. Just tell us more details about your requirement and confirm the way of packaging.


  • Joseph

    No.5

    Mrs.Joseph Ask:
    • 8/11/2017 1:18:34 AM
    • ★★★★★

    What is your mode of transport?


    Walker Dai
    ZELANG ™ Walker Dai Answer:

    We will choose DHL/FEDEX/EMS/TNT for Express, and also sea/air transportation.


  • Yvette

    No.6

    Ms.Yvette Ask:
    • 8/14/2017 2:37:02 PM
    • ★★★★★

    How to confirm the Product Quality before placing orders?


    Roy Cai
    ZELANG ™ Roy Cai Answer:

    You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.


  • Malcolm

    No.7

    Miss.Malcolm Ask:
    • 8/14/2017 3:57:46 PM
    • ★★★★★

    How long for the delivery after I place an order?


    Cynthia Zhang
    ZELANG ™ Cynthia Zhang Answer:

    It depends on the quantity of your order; usually it takes 3-5 days after a formal order.


  • Charles

    No.8

    Mr.Charles Ask:
    • 8/11/2017 1:15:21 AM
    • ★★★★★

    Can I visit your factory or company?


    Elaine
    ZELANG ™ Elaine Answer:

    Yes, welcome to visit our factory or company when you are convenient, please contact us in advance for arranging your schedule.


  • Charles

    No.9

    Mr.Charles Ask:
    • 8/14/2017 2:36:44 PM
    • ★★★★☆

    Free sample or not?


    Penny Zhao
    ZELANG ™ Penny Zhao Answer:

    According to our company’s rule, usually we could offer you a free sample with small quantity, but the freight cost need be paid by your esteemed company. And we will return the cost to you when you place the first order with us.


  • Lily

    No.10

    Ms.Lily Ask:
    • 8/14/2017 3:56:48 PM
    • ★★★★★

    Is there a discount?


    Kevin Tu
    ZELANG ™ Kevin Tu Answer:

    Different quantity has different discount. and old customer will have discount.


  • Total: 10
  • Appraisal: ★★★★☆