Apple fruit (Malus domestica Borkh. cv. Braeburn) were harvested during fruit development. The tissue was treated with phenol, acetic acid and water (PAW) to deactivate enzymes followed by alpha-amylase in H2O to remove starch. Water soluble polysaccharides were obtained from both fractions. The hemicelluloses were extracted from apple cell walls with 6 M NaOH. The carbohydrate composition of the cell wall fractions and the molecular weight of the hemicelluloses were determined. There was no change in the molecular weight profile of hemicellulose fractions or of xyloglucan polymers as obtained by HPLC with a size exclusion column. The cell wall changes in relation to cell expansion mechanisms are discussed. (C) 1997 Elsevier Science Ireland Ltd.
机构:
Univ Auckland, Sch Chem Sci, Food Sci, Auckland 1, New Zealand
New Zealand Inst Plant & Food Res Ltd, Mt Albert Res Ctr, Auckland 1142, New ZealandUniv Auckland, Sch Chem Sci, Food Sci, Auckland 1, New Zealand
Ng, Jovyn K. T.
Schroeder, Roswitha
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New Zealand Inst Plant & Food Res Ltd, Mt Albert Res Ctr, Auckland 1142, New ZealandUniv Auckland, Sch Chem Sci, Food Sci, Auckland 1, New Zealand
Schroeder, Roswitha
Brummell, David A.
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New Zealand Inst Plant & Food Res Ltd, Food Ind Sci Ctr, Palmerston North 4442, New ZealandUniv Auckland, Sch Chem Sci, Food Sci, Auckland 1, New Zealand
Brummell, David A.
Sutherland, Paul W.
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New Zealand Inst Plant & Food Res Ltd, Mt Albert Res Ctr, Auckland 1142, New ZealandUniv Auckland, Sch Chem Sci, Food Sci, Auckland 1, New Zealand
Sutherland, Paul W.
Hallett, Ian C.
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New Zealand Inst Plant & Food Res Ltd, Mt Albert Res Ctr, Auckland 1142, New ZealandUniv Auckland, Sch Chem Sci, Food Sci, Auckland 1, New Zealand
机构:
Wageningen Univ, Mol Biol Lab, NL-6700 ET Wageningen, Netherlands
Plant Res Int, Business Unit Biosci, NL-6700 AP Wageningen, NetherlandsUniv Utrecht, NL-3584 CH Utrecht, Netherlands
机构:
Plant Res Int, Business Unit Biosci, NL-6700 AP Wageningen, Netherlands
Wageningen Univ, Chair Grp Bioinformat, NL-6700 ET Wageningen, NetherlandsUniv Utrecht, NL-3584 CH Utrecht, Netherlands
机构:
Shenyang Agr Univ, Coll Hort, Fruit Dev & Metab Biol Lab, Shenyang 110866, Liaoning, Peoples R ChinaShenyang Agr Univ, Coll Hort, Fruit Dev & Metab Biol Lab, Shenyang 110866, Liaoning, Peoples R China
Li, Tong
Tan, Dongmei
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Shenyang Agr Univ, Coll Hort, Fruit Dev & Metab Biol Lab, Shenyang 110866, Liaoning, Peoples R ChinaShenyang Agr Univ, Coll Hort, Fruit Dev & Metab Biol Lab, Shenyang 110866, Liaoning, Peoples R China
Tan, Dongmei
Yang, Xuyuan
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Shenyang Agr Univ, Coll Hort, Fruit Dev & Metab Biol Lab, Shenyang 110866, Liaoning, Peoples R ChinaShenyang Agr Univ, Coll Hort, Fruit Dev & Metab Biol Lab, Shenyang 110866, Liaoning, Peoples R China