This product has not been evaluated for use as a substrate for diastase activity in honey. It is advisable to refer to the method to determine if there are specific requirements for the starch to be purchased. If the method being referred to specifies a soluble starch solution should be prepared, this is the item mentioned.
S9765
Starch, soluble
ACS reagent
Starch, soluble
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Sinonimo/i:
Soluble Starch
Autenticati per visualizzare i prezzi organizzativi e contrattuali.
Scegli un formato
100 G
37,70 €
250 G
83,20 €
500 G
153,00 €
1 KG
215,00 €
37,70 €
Per informazioni sulla disponibilità, contatta il Servizio Clienti.
Informazioni su questo articolo
Formula condensata:
(C6H10O5)n
Numero CAS:
UNSPSC Code:
12352201
PubChem Substance ID:
EC Number:
232-679-6
NACRES:
NA.21
MDL number:
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Servizio Tecnico
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Permettici di aiutartiNome del prodotto
Starch, soluble, ACS reagent
SMILES string
O1[C@@H]([C@@H]([C@H]([C@@H]([C@H]1CO)O)O)O)O[C@@H]2[C@H](O[C@@H]([C@@H]([C@H]2O)O)O)CO
InChI
1S/C12H22O11/c13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17/h3-20H,1-2H2/t3-,4-,5-,6+,7-,8-,9-,10-,11+,12-/m1/s1
InChI key
GUBGYTABKSRVRQ-ASMJPISFSA-N
biological source
potato
grade
ACS reagent
form
powder
ign. residue
≤0.4%
color
white
pH
5.0-7.0 (25 °C, 2% in solution)
mp
256 -258 °C ((493 - 496 °F ))
solubility
H2O: passes test
suitability
passes test for sensitivity as indicator
storage temp.
room temp
Quality Level
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1 of 4
Questo articolo | 1.01253 | S1300000 | 33615 |
|---|---|---|---|
| biological source potato | biological source - | biological source - | biological source potato |
| grade ACS reagent | grade - | grade pharmaceutical primary standard | grade - |
| solubility H2O: passes test | solubility 50 g/L | solubility - | solubility - |
| Quality Level 200 | Quality Level 100 | Quality Level - | Quality Level 200 |
| suitability passes test for sensitivity as indicator | suitability - | suitability - | suitability passes test for test of sensitivity |
| form powder | form - | form - | form powder |
Application
Biochem/physiol Actions
Starch synthesised by plants is a polymer of amylose and amylopectin. Amylose is a linear polymer of glucose whereas amylopectin is a highly branched polymer. Starch is a renewable and biodegradable polymer and is widely used in starch nanoparticles (SNP) development.[4] Starch has flexible structural properties and is modified and functionalized for pharmaceutical applications.[5] Starch comprises of rapidly digestible starch (RDS), slowly digestible starch (SDS) and resistant starch (RS). Resistant starch improves metabolic profile, gut bacteria and has anti-diabetic functionality.[6] Resistant starch has low glycemic index and helps in weight management. It may be effective in treating metabolic diseases and colon cancer.[7]
Other Notes
To gain a comprehensive understanding of our extensive range of Polysaccharides for your research, we encourage you to visit our Carbohydrates Category page.
Preparation Note
It is best practice to initially prepare a paste using 2 g of starch with a small amount of cold water and add to 100 mL of boiling water with stirring.
There should be no noticeable change in opalescence.
There should be no noticeable change in opalescence.
Classe di stoccaggio
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Yadong Zhao et al.
Polymers, 11(3) (2019-04-10)
Lignin fractions having different molecular weights and varied chemical structures isolated from kraft lignins of both softwood and hardwood via a sequential solvent fractionation technique were incorporated into a tunicate cellulose nanofibers (CNF)-starch mixture to prepare 100% bio-based composite films.
Enteritis induction by soybean meal in Totoaba macdonaldi diets: Effects on growth performance, digestive capacity, immune response and distal intestine integrity
Fuentes-Quesada JP, et al.
Aquaculture (Amsterdam, Netherlands) (2018)
Resistant starch regulates gut microbiota: structure, biochemistry and cell signalling
Yang X, et al.
Cellular Physiology and Biochemistry, 42(1), 306-318 (2017)
The intensification of amyloglucosidase-based saccharification by ultrasound
Oliveira HM, et al.
Ultrasonics Sonochemistry, 49(6), 128-136 (2018)
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Koh A, et al.
Cell, 175(4), 947-961 (2018)
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Contenuto correlato
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Can I use this for diastase activity in honey
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I aim to evaluate the degradation of starch by some of our bacterial strains using spectrophotometry. What is the impact of autoclaving starch. Does autoclaving cause partial degradation ? Is the starch concentration the same before and after autoclaving?
1 risposta-
This product has not undergone any functional assays to determine the impact of autoclaving on the overall starch structure. Consulting scientific literature is recommended for specific guidance on conducting this study. For example, please see the citation below where researchers determine the effect of autoclaving on the morphological properties of starch.
Babu, A. S., & Parimalavalli, R. (2014). Effect of Autoclaving on Functional, Chemical, Pasting and Morphological Properties of. JOURNAL OF ROOT CROPS, 39(1), 78–83. Retrieved from https://www.journal.isrc.in/index.php/jrc/article/view/187
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How can I determine the shelf life / expiration / retest date of this product?
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If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdfUtile?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
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How is the starch soluble? Is it a product of hydrolysis of poppy potato starch?
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This product originates from Solanum tuberosum. Differences in the structure of amylose and amylopectin allow it to be soluble.
See the link below for a publication that may be of interest: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6049785/#:~:text=Amylopectin%20from%20normal%20potato%20starch,in%20cold%20water%20%5B8%5D.The preparation instructions are as follows:
- Prepare a paste of 2g of the starch with a little cold water
- Add to it 100ml of boiling water with stirring.
The solution should be no more than opalescent and on cooling it should remain a liquid and not increase in opalescence.Please see the link below for a sample Certificate of Origin:
https://www.sigmaaldrich.com/US/en/coo/undefined/S9765/SLCF7026Utile?
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what is the purity of this starch
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This product is not tested for purity. It is primarily used as an enzyme substrate. The residue on ignition would offer some indication of the level of impurity, however this is not directly correlated. See the link below for a sample Certificate of Analysis:
https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/S9765-BULKSLCQ5576.pdfUtile?
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is this product suiable as the indicator for determine iodine?
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It has not been determined if this product is suitable as an indicator to determine iodine. While it may be suitable, product number 85642 has been tested for use in this application. See the link below for a sample CofA for review. https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/85642-BULKBCCJ9269.pdf
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Is product S9765, Starch, soluble, partially hydrolyzed by a chemical or enzymatic process during manufacture?
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Product S9765, Starch, soluble is a native starch preparation from potatoes and has not been chemically or enzymatically modified as indicated by our supplier.
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What is the Department of Transportation shipping information for this product?
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Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
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