Amylose and amylopectin unit-chain distributions of ginseng, sanchi ginseng, Pinellia tuber, Alisma rhizome and Coix seed starches

Amylose and amylopectin unit-chain distributions of starches from the roots of Panax ginseng C.A. Meyer (PG) and Panax notoginseng (Burk.) F.H. Chen (PN), tuber of Pinellia ternata (Thunb.) Breitenbach (PT), rhizome of Alisma orientale Juzepczuk (AO) and seed of Coix lacryma-jobi Linne var. ma-yuen...

Full description

Saved in:
Bibliographic Details
Published in:Journal of Applied Glycoscience 2008, Vol.55(3), pp.187-190
Main Authors: Boki, K.(Kinki Univ., Higashiosaka, Osaka (Japan). Faculty Pharmaceutical Sciences), Yamada, Y, Takahashi, M, Kitakouji, M, Oda, H, Haenuki, A, Hamada, Y
Format: Article
Language:English
Subjects:
ALMIDON
AMIDON
AMILOPECTINA
AMILOSA
AMYLOPECTIN
AMYLOPECTINE
AMYLOSE
chain-length
crude drug starch
PANAS
PANAX
PINELLIA
STARCH
Citations: Items that this one cites
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Amylose and amylopectin unit-chain distributions of starches from the roots of Panax ginseng C.A. Meyer (PG) and Panax notoginseng (Burk.) F.H. Chen (PN), tuber of Pinellia ternata (Thunb.) Breitenbach (PT), rhizome of Alisma orientale Juzepczuk (AO) and seed of Coix lacryma-jobi Linne var. ma-yuen Stapf (CL) were investigated by means of a gel filtration method. The amylose contents of the PG, PN, PT, AO and CL starches were 15.4-28.2, 25.9-35.7, 20.1-34.9, 26.6-35.2 and 17.2-26.4%, respectively. The ratios of subfractions (Fr. III/Fr. II) of amylopectin in PG, PN, PT and AO starches were 0.82+-0.19, 0.93+-0.13, 1.22+-0.25 and 1.23+-0.05, respectively. Those of CL starches were 0.97 and 3.49. The weight-average chain-lengths (CLw) of amylopectin in PG, PN, PT, AO and CL starches were 33-47, 28-35, 22-32, 25-28 and 23-38, respectively. It was confirmed that the ratio of subfractions (Fr. III/Fr. II) was negatively correlated with CLw. The weightaverage degrees of polymerization (DPw) of amylose from PG, PN, PT and CL starches were 2720-3590, 3240-3730, 2390-2710 and 3090-3880, respectively.
ISSN:1344-7882
1880-7291
DOI:10.5458/jag.55.187