Nitrite Content in Toona Tissues at Different Developmental Stages and Growth Conditions

doi:10.7506/spkx1002-6300-200921019

FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (21 ): 79-82.doi: 10.7506/spkx1002-6300-200921019

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Nitrite Content in Toona Tissues at Different Developmental Stages and Growth Conditions

SUN Lei1，XU-Han2，MENG Zhen-nong3，QU Yong-yun1，YI Chen3，ZHAO Deng-chao1，
WANG Cui-xiang1，QIN Wen-qiang3

(1. Shandong Forest Science and Technology Institute, Jinan 250014, China；2.IRIT-ARI, 202Bis, Rue des Fontaines, Toulouse
31300, France；3.College of Life Science, Shandong University, Jinan 250100, China)

Received:2009-05-01 Online:2009-11-01 Published:2010-12-29
Contact: SUN Lei1， E-mail:sun7776@163.com

Abstract

Abstract:

Nitrite content in Toona tissues of dormant seeds, sprouting seeds, young seedlings at cotyledon stage, and fully grown seedlings was determined by nitrite-N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometric method. Meanwhile, nitrite content in different parts of seedlings grown indoors and outdoors was also determined at different developmental stages. Endogenous nitrite content exhibited a decrease trend during sprouting stage and growth stage of seedlings. Nitrite level was the highest in Toona seeds, and the lowest in Toona seedlings. At cotyledon stage, nitrite content in root was higher than in shoot, whereas at late seedling stage, nitrite content in shoot was higher than in root. Nitrite content in the buds and newly formed shoots of Toona grown indoors was higher than those grown outdoors.

Key words: Toona, seedling, nitrite content

CLC Number:

SUN Lei1，XU-Han2，MENG Zhen-nong3，QU Yong-yun1，YI Chen3，ZHAO Deng-chao1，WANG Cui-xiang1，QIN Wen-qiang3. Nitrite Content in Toona Tissues at Different Developmental Stages and Growth Conditions[J]. FOOD SCIENCE, 2009, 30(21 ): 79-82 https://doi.org/10.7506/spkx1002-6300-200921019

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Nitrite Content in Toona Tissues at Different Developmental Stages and Growth Conditions

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