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Basic Information
| CAS No.: | 9031-11-2 |
|---|---|
| Name: | BETA1,4-GALACTOSIDASE |
| Molecular Structure: | |
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| Formula: | Unspecified |
| Molecular Weight: | 0 |
| Synonyms: | Biolacta;Biolacta FN 5;Biolacta N 5;Biolactase L;E.C. 3.2.1.23;Fungal lactase30,000;Galantase;Gamma-lactase A50P;Ha-Lactase;Hydrolact;LX 5000; |
| EINECS: | 232-864-1 |
| Density: | 1.14 g/cm3(Temp: 4 °C) |
| Melting Point: | 100 °C |
| Boiling Point: | 100 °C(Press: 800 Torr) |
| Solubility: | Soluble in water |
| Appearance: | White powder |
| Hazard Symbols: | Xn |
| Risk Codes: | 22 |
| Safety: | 24/25 |
| PSA: | 0.00000 |
| LogP: | 0.00000 |
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BETA1,4-GALACTOSIDASE
Chemistry
form: powder
color: slightly yellow
Solubility:1% acetic acid: 1 mg/mL
storage temp:2-8°C
Synonyms of BETA1,4-GALACTOSIDASE(9031-11-2):beta-galactosidas;beta-d-lactosidase;hydrolact;lactozym;beta-lactosidase;maxilact;oryzatym
Optimal reaction temperature : 37 ~ 50°C
Uses
(2-Naphthyloxy)acetic acid(120-23-0) can be used asEnzyme and Mainly used in dairy industry.
(2-Naphthyloxy)acetic acid(120-23-0), In the fermentation and baking industry, can take lactose, not be used by a general yeast for hydrolysis, into glucose .
(2-Naphthyloxy)acetic acid(120-23-0), In the fermentation and baking industry, can take lactose, not be used by a general yeast for hydrolysis, into glucose .
Production
Obtained from cheese's whey coagulate under pH 4.5 and temperature 85 ~ 105 ℃. Then add 0.1% ammonia, access yeast species (such as Saccharomyces fragilis) at 30 ℃ under aerobic incubation in the coagulum. Collect yeast,and wash with warm water after the rapid cooling under -18 ℃, and then use 1.5 ~ 3.0 times' ethanol of the amount of yeast .
Toxicity Data With Reference
| 1. | ipr-rat LD50:660 mg/kg | KSRNAM Kiso to Rinsho. Clinical Report. 4 (1970),725. | ||
| 2. | scu-rat LD50:4090 mg/kg | KSRNAM Kiso to Rinsho. Clinical Report. 4 (1970),725. | ||
| 3. | ipr-mus LD50:630 mg/kg | KSRNAM Kiso to Rinsho. Clinical Report. 4 (1970),729. | ||
| 4. | scu-mus LD50:1470 mg/kg | KSRNAM Kiso to Rinsho. Clinical Report. 4 (1970),729. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Moderately toxic by subcutaneous and intraperitoneal routes.
Hazard Codes:Xn
Risk Statements:
22: Harmful if swallowed
Hazard Codes:Xn
Risk Statements:
22: Harmful if swallowed