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Alaabta

Kaempferide Cas No. 491-54-3

Sharaxaad Gaaban:

Kaempferol waxa kale oo loo yaqaan "camphenyl alcohol".Flavonoids waa mid ka mid ah khamriga.Waxaa laga helay shaaha 1937. Inta badan glycosides ayaa la go'doomiyay 1953.

Kaempferol ee shaaha waxaa inta badan lagu daraa glucose, rhamnose iyo galactose si ay u sameeyaan glycosides, waxaana jira dhowr gobol oo bilaash ah.Waxa ku jira 0.1% ~ 0.4% miisaanka engegan ee shaaha, shaaha gu'ga ayaa ka sarreeya shaaha xagaaga.Kaempferol glycosides ee kala go'ay waxaa ka mid ah kaempferol-3-rhamnoside, kaempferol-3-rhamnoside, kaempferol-3-glucoside, kaempferol triglucoside, iwm. Intooda badan waa crystals jaale ah, kuwaas oo lagu milmi karo biyaha, methanol iyo ethanol.Waxay door gaar ah ka ciyaaraan samaynta midabka maraq shaaha cagaaran.Habka samaynta shaaha, kaempferol glycoside waxaa qayb ahaan hydrolyzed hoos ficilka kulaylka iyo ensaymes si ay u xoreeyaan kaempferol iyo sonkor kala duwan si loo yareeyo qaar ka mid ah qadhaadhka.


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Macluumaadka Muhiimka ah

Kaska No: 491-54-3

Cufnaanta: 1.5 ± 0.1 g / cm3

Barta karkarinta: 543.8 ± 50.0 ° C at 760 mmHg

Meesha dhalaalaysa: 156-157 º C ( shidday)

Qaacidada molecular: C16H12O6

Miisaanka Molecular: 300.263

Barta Tooshka ah: 207.1 ± 23.6 ° C

Tirada saxda ah: 300.063385

PSA: 100.13000, logP: 2.74

Cadaadis uumiga: 0.0 ± 1.5 mmHg at 25 ° C

Tusmada dib-u-celinta: 1.710

Xaaladaha Kaydinta: 2-8 ° C

Qaab-dhismeedka Molecular

Tusmada wax-soo-celinta Molar:76.232

Mugga molar: (cm3 / mol):195.13

Mugga gaarka ah ee Isotonic (90.2k):578.04

Xiisadda dusha sare (dyne/cm):77.05

Polarisability (10-24cm3):30.22

Kiimikada Xisaabinta

1. Qiimaha tixraaca ee xisaabinta halbeegga hydrophobic (xlopp): Midna

2. Tirada ku-deeqayaasha dammaanadda hydrogen-ka: 3

3. Tirada dabaylaha haydaroojin: 6

4. Tirada xidhmooyinka kiimikaad ee rotatable: 2

5. Tirada tatoorada: 24

6. Meesha dusha sare ee unugyadu molecular 96.2

7. Tirada atamka culus: 22

8. Lacagta dusha sare: 0

9. Kakanaanta: 465

10. Tirada atamka isotopic: 0

11. Go'aami tirada atomiga stereocenters: 0

12. Tirada aan la hubin ee stereocenters atomi: 0

13. Go'aami tirada curaarta kiimikada stereocenters: 0

14. Tirada stereocenter-ka curaarta kiimikada aan la cayimin: 0

15. Tirada cutubyada dabaajiga ah: 1


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