Lycopene and Beta-carotene Content in Flesh of Cara Cara Orange and Effects of Exogenous ABA and GA3 on The ir Content Changes

ACTA HORTICULTURAE SINICA ›› 2005, Vol. 32 ›› Issue (02): 207-211.

• 研究论文 • Previous Articles Next Articles

Lycopene and Beta-carotene Content in Flesh of Cara Cara Orange and Effects of Exogenous ABA and GA₃ on The ir Content Changes

Wang Guiyuan;Xia Renxue

(College of Horticulture and Forestry, Huazhong Agricultural University, W uhan 430070, China)

Received:2004-09-14 Revised:2004-12-27 Online:2005-04-25 Published:2005-04-25
Contact: Xia Renxue

Abstract

Abstract: The content of lycopene and beta-carotene during fruit development and following exogenous ABA and GA₃ treatments at the color break period in flesh of Cara Cara orange (Citrus sinensis Osbeck) was determined by HPLC. The results showed that content of lycopene and beta2carotene in the flesh of Cara Cara orange reachedmaximum (26.79 and 9.21μg·g^{- 1}FM, respectively) during fruitmaturation; lycopene and beta-carotene accumulated rapidly from August 17 to October 20 and from October 20 to December 21, respectively. Exogenous ABA facilitated the accumulation of lycopene but not always facilitated the accumulation of beta-carotene. Exogenous GA₃ of high concentration restrained the accumulation of lycopene and beta-carotene to a certain extent while low concentration remarkably facilitated the accumulation of lycopene.

Key words: Citrus, Lycopene, Beta-carotene, ABA, GA₃

CLC Number:

S666

Wang Guiyuan;Xia Renxue. Lycopene and Beta-carotene Content in Flesh of Cara Cara Orange and Effects of Exogenous ABA and GA₃ on The ir Content Changes[J]. ACTA HORTICULTURAE SINICA, 2005, 32(02): 207-211.

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Lycopene and Beta-carotene Content in Flesh of Cara Cara Orange and Effects of Exogenous ABA and GA₃ on The ir Content Changes

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