pustulann.

Brit.

/ˈpʌstjᵿlan/,

/ˈpʌstʃᵿlan/, U.S.

/ˈpəstʃəˌlæn/,

/ˈpəstjəˌlæn/

Origin: A variant or alteration of another lexical item. Etymon: pustulin n.

Etymology: Alteration of pustulin n., after other names of polysaccharides ending in -an suffix, e.g. glucosan n., mannan n.

Biochemistry.

A polysaccharide consisting of glucose residues, originally isolated from the lichen Lasallia pustulata and also present in various other lichens (esp. of the family Umbilicariaceae) and fungi.

ΘΚΠ

the world > matter > chemistry > organic chemistry > other substances > [noun] > in lichens > pustulan

pustulin1943

pustulan1953

1953 R. L. Whistler & C. L. Smart Polysaccharide Chem. xviii. 338 Pustulan, a polysaccharide isolated from the large lichen Umbilicaria, differs from lichenan in that it possesses β-1,6′ linkages and a specific optical rotation of -44°.

1977 Jrnl. Microsc. 111 145 The diffraction data obtained for crystals of pustulan with the ‘frozen hydrated’ electron diffraction technique are the first crystallographic data obtained for this polysaccharide.

2003 Jrnl. Carbohydrate Polymers 34 160/1 [They] found the presence of two different glucans in the cell walls of yeast: 1,3-β- d-glucan..as the major component (85%) and 1,6-β- d-glucan trivially named pustulan with β-1,3-glucosidic branches in minor amounts (15%).

This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

单词	pustulan
释义	pustulann. Brit. /ˈpʌstjᵿlan/, /ˈpʌstʃᵿlan/, U.S. /ˈpəstʃəˌlæn/, /ˈpəstjəˌlæn/ Origin: A variant or alteration of another lexical item. Etymon: pustulin n. Etymology: Alteration of pustulin n., after other names of polysaccharides ending in -an suffix, e.g. glucosan n., mannan n. Biochemistry. A polysaccharide consisting of glucose residues, originally isolated from the lichen Lasallia pustulata and also present in various other lichens (esp. of the family Umbilicariaceae) and fungi. ΘΚΠ the world > matter > chemistry > organic chemistry > other substances > [noun] > in lichens > pustulan pustulin1943 pustulan1953 1953 R. L. Whistler & C. L. Smart Polysaccharide Chem. xviii. 338 Pustulan, a polysaccharide isolated from the large lichen Umbilicaria, differs from lichenan in that it possesses β-1,6′ linkages and a specific optical rotation of -44°. 1977 Jrnl. Microsc. 111 145 The diffraction data obtained for crystals of pustulan with the ‘frozen hydrated’ electron diffraction technique are the first crystallographic data obtained for this polysaccharide. 2003 Jrnl. Carbohydrate Polymers 34 160/1 [They] found the presence of two different glucans in the cell walls of yeast: 1,3-β- d-glucan..as the major component (85%) and 1,6-β- d-glucan trivially named pustulan with β-1,3-glucosidic branches in minor amounts (15%). This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < n.1953
随便看	personnel transfer capsule personnel-designating personneldesignating personnels personnelwise personobject personological personologist personology personoriented personpower persons persons of the drama personshaping personship persontoperson personyear persorption persp perspectartigraph perspection perspectival perspectivally perspective perspective control