Abstract：
:Mature endosperm was separated regionally into different parts in three rice cultivars, Te-qing (TQ), Wu-xiang 9915 (WX9915) and Guang-ling-xiang-nuo (GLXN), and their transgenic lines with inhibition of starch branching enzyme I and IIb (SBEI/IIb-). Within the three wild-type cultivars, starches from endosperm different regions showed similar molecular and crystalline structures. However, in rices with inhibition of SBEs, amylopectin short branch-chain content and branching degree gradually decreased, but amylopectin B3+ chain content and average chain length increased gradually from the interior to exterior of endosperm. The amylose content gradually increased from the interior to exterior of endosperm in TQ- and WX9915-SBEI/II- lines. From the interior to exterior of endosperm, starch changed gradually from CC- to CB-type in TQ-SBEI/II- line and from CA- to CC-type in GLXN-SBEI/II- line, and remained CA-type in WX9915-SBEI/II- line. These results provided some information for quality breeding and utilizations of rice with inhibition of SBE.
journal_name
Food Chemjournal_title
Food chemistryauthors
Lin L,Huang J,Zhang L,Zhang C,Liu Q,Wei Cdoi
10.1016/j.foodchem.2019.125271subject
Has Abstractpub_date
2019-12-15 00:00:00pages
125271eissn
0308-8146issn
1873-7072pii
S0308-8146(19)31381-0journal_volume
301pub_type
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