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《JOURNAL OF NORTHEAST AGRICULTURAL UNIVERSITY》 1998-04
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PHYSIOLOGICAL AND BIO-CHEMICAL CHANGES OF PINGGUO PEAR BEFORE TAKEN OFF

Wang Junhong, Yan Limei, Lu Wulin (Northeast Agricultural University, Harbin 150030, PRC) (Qiqihaer Normal College, Qiqihaer 160000,ORC) (Nertheast Normal University Changchun, 130024, PRC)  
This experiment studied. The result showed that before Pingguo pear taken off no ethylent produced; respiration intensity presented falling tendency, only rising again then falling in the later period. During its maturity before taken off hardness continued falling, soluble solid and vitamin C increasing. Starch earlier increased then fell; fructose increased mainly. Content of citric acid continued insreasing, malic acid falling.
【CateGory Index】: S661.201
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