9008-22-4
laminarin
CAS: 9008-22-4
Molecular Formula: C18H30O14X2
9008-22-4 - Names and Identifiers
| Name | laminarin |
| Synonyms | CURDLAN laminarin PARAMYLON Laminaran BETA-GLUCAN BETA-1,3-GLUCAN BETA-D-1,3-GLUCAN BARLEY BETA-GLUCAN laminarin from laminaria digitata Laminaran - from Laminaria digitata Laminaran - from Thallus laminariae Laminaran - from Laminaria cloustoni |
| CAS | 9008-22-4 |
| EINECS | 232-712-4 |
| InChI | InChI=1/C18H32O16/c19-1-4-7(22)10(25)11(26)17(31-4)34-15-9(24)6(3-21)32-18(13(15)28)33-14-8(23)5(2-20)30-16(29)12(14)27/h4-29H,1-3H2/t4-,5-,6-,7-,8-,9-,10+,11-,12-,13-,14+,15+,16?,17?,18?/m1/s1 |
9008-22-4 - Physico-chemical Properties
| Molecular Formula | C18H30O14X2 |
| Molar Mass | 470.42 |
| Density | 1.8g/cm3 |
| Melting Point | >220°C (dec.) |
| Boling Point | 902.8°C at 760 mmHg |
| Specific Rotation(α) | -45 ° (C=0·9, H2O) |
| Flash Point | 499.8°C |
| Water Solubility | Soluble in dimethyl sulfoxide (slightly, heated). Slightly soluble in water. |
| Solubility | Soluble in water (10 mg/ml). |
| Vapor Presure | 0mmHg at 25°C |
| Appearance | powder |
| Color | White to Off-white |
| Merck | 14,5350 |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Easily absorbing moisture |
| Refractive Index | 1.673 |
| MDL | MFCD00466918 |
| Physical and Chemical Properties | Physical properties: The dried crude polysaccharide is a yellowish-brown massive solid with a sea smell. After H2O2 decolorization, lyophilized to obtain white fibrous solid, soluble in water, soluble in hot water, insoluble in acid and alkali, insoluble in high concentration of ethanol, methanol, acetone and other organic solvents, no volatility, pH value of 6.5, specific rotation of [α]D20 =-1.25 °(c = 0.80, H2O). Chemical properties: sulfuric acid-carbazole reaction is positive, indicating uronic acid; phenol-sulfuric acid reaction is positive, proving to be a carbohydrate; ferric chloride reaction is negative, indicating no phenols or tannins; biuret reaction is negative, Proved that it does not contain protein substances; iodine-potassium iodide reaction is negative, indicating that it does not contain starch substances. |
9008-22-4 - Risk and Safety
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| RTECS | LZ3985000 |
| FLUKA BRAND F CODES | 3 |
| TSCA | Yes |
| HS Code | 39139000 |
9008-22-4 - Reference
| Reference Show more | 1. He Tao, Zhao Na. Effects of three kinds of polysaccharides on hatching rate of eggs in chicken semen diluent [J]. Hubei Journal of Animal Husbandry and Veterinary Medicine, 2018, 039(001):5-7. 2. Chen Min, Wang Li-Xia star, etc. Effects of β-Aminobutyric acid treatment on reducing potential of postharvest peach fruit and induction of disease resistance [J]. Food Science, 2019, 40(01):217-223. 3. Zhang Qiongqiong, Wei Jia, Zhang Jian, etc. Effects of hydrogen sulfide fumigation on cell wall and diseases of postharvest seedless grapes [J]. Science and Technology of food industry, 2020(13). 4. Yin Xiaoqian, Liang Meifang, Li Hebin, Jiang Zedong, ni hui, Zhu Yanbing. Enzymatic properties of polysaccharide from microvesicular bacteria ALW1 Laminaria and antioxidant activity of its hydrolysates [J]. Chinese Journal of Food Science, 2020,20(09):47-52. 5. He Tao, Zhao Na, Guo Liang, Ma Xueli. Effects of three kinds of polysaccharides on hatching rate of eggs in chicken semen diluent [J]. Livestock and poultry industry, 2020,31(12):34-35. 6. Dongxiao Cui, Jun Ma, Tingting Liang, Liqian Sun, Liqiang Meng, Taigang Liang, Qingshan Li, Selenium nanoparticles fabricated in laminarin polysaccharides solutions exert their cytotoxicities in HepG2 cells by inhibiting autophagy and promoting apoptosis, 7. Yang, Juanjuan, Changchun Hao, and Runguang Sun. "Effect of Laminaria japonica polysaccharides on lipids monolayers at the air-water surface." Colloids and Surfaces B: Biointerfaces 161 (2018): 614-619.https://doi.org/10.1016/j.colsurfb.2017.11.041 8. Yang, Juanjuan Changchun Hao, and Runguang Sun. "Effect of Laminaria japonica polysaccharides on lipids monolayers at the air-water surface." Colloids and Surfaces B: Biointerfaces 161 (2018): 614-619.https://doi.org/10.1016/j.colsurfb.2017.11.041 9. [IF=5.162] Dongxiao Cui et al."Selenium nanoparticles fabricated in laminarin polysaccharides solutions exert their cytotoxicities in HepG2 cells by inhibiting autophagy and promoting apoptosis."Int J Biol Macromol. 2019 Sep;137:829 10. [IF=2.316] Zhu Zhu et al."Three glycoside hydrolase family 12 enzymes display diversity in substrate specificities and synergistic action between each other."Mol Biol Rep. 2019 Oct;46(5):5443-5454 11. [IF=4.223] Zha Zi-Qian et al."Asn57 N-glycosylation promotes the degradation of hemicellulose by β-1,3-1,4-glucanase from Rhizopus homothallicus."Environ Sci Pollut R. 2022 Apr;:1-15 |
9008-22-4 - Introduction
A polysaccharide found in brown seaweed, mainly found in kelp. It is a linear polymer composed of β-(1 → 3) cross-linked glucose residues, containing a small amount of β-(1 → 6) cross-linked substances as intermediate or branch point residues, and containing 2% ~ 3% D-mannitol as terminal groups. Easy to absorb moisture. There are two forms: water soluble or water insoluble
Last Update：2022-10-16 17:29:55
9008-22-4 - Introduction
laminarin is a natural polysaccharide extracted from kelp seaweed, and its main components are algin and galactose. It has many important properties and uses.
First of all, laminarin has viscosity and gelling properties, which can make the liquid viscous. This makes it widely used as a thickener, stabilizer and emulsifier in the food industry. It can be used to make bread, frozen goods, jelly, cream and dairy products.
Secondly, laminarin has certain health effects on the human body. It has antibacterial, lowering blood pressure, anti-inflammatory and anti-allergic effects, can enhance immunity, improve intestinal function, regulate blood lipids and blood sugar levels.
There are two main methods for preparing laminarin: acid method and enzymatic method. Acid method is to cut the kelp, with acid treatment after precipitation, washing and drying; Enzyme law is the use of enzyme activity of the kelp in the enzymatic hydrolysis of polysaccharides.
Regarding safety information, laminarin is a natural product derived from natural plants and has good food safety. However, because it is rich in iodine, excessive consumption may lead to excessive iodine intake, causing thyroid problems. Therefore, when consuming laminarin or other foods containing laminarin, you should pay attention to moderate consumption, especially for patients with thyroid problems or people who are prone to excessive iodine intake.
In General, laminarin is a multifunctional natural polysaccharide with multiple uses and health benefits, and is safe and reliable.
First of all, laminarin has viscosity and gelling properties, which can make the liquid viscous. This makes it widely used as a thickener, stabilizer and emulsifier in the food industry. It can be used to make bread, frozen goods, jelly, cream and dairy products.
Secondly, laminarin has certain health effects on the human body. It has antibacterial, lowering blood pressure, anti-inflammatory and anti-allergic effects, can enhance immunity, improve intestinal function, regulate blood lipids and blood sugar levels.
There are two main methods for preparing laminarin: acid method and enzymatic method. Acid method is to cut the kelp, with acid treatment after precipitation, washing and drying; Enzyme law is the use of enzyme activity of the kelp in the enzymatic hydrolysis of polysaccharides.
Regarding safety information, laminarin is a natural product derived from natural plants and has good food safety. However, because it is rich in iodine, excessive consumption may lead to excessive iodine intake, causing thyroid problems. Therefore, when consuming laminarin or other foods containing laminarin, you should pay attention to moderate consumption, especially for patients with thyroid problems or people who are prone to excessive iodine intake.
In General, laminarin is a multifunctional natural polysaccharide with multiple uses and health benefits, and is safe and reliable.
Last Update：2024-04-09 21:04:16
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