Essential oil yield and composition of Ocimum basilicum L. at different phenological stages, plant density and post-harvest drying methods

被引：14
作者：
Kholiya, Sushma [1 ]
Punetha, Arjita [1 ]
Chauhan, Amit [1 ]
Venkatesha, K. T. [1 ]
Kumar, Dipender [1 ]
Upadhyay, R. K. [1 ]
Padalia, R. C. [1 ,2 ]
机构：
[1] CSIR Cent Inst Med & Aromat Plants CIMAP, Res Ctr, Pantnagar 263149, Uttarakhand, India
[2] CSIR Human Resource Dev 13 Ctr, CSIR HRDC Campus, Acad Sci & Innovat Res AcSIR, Postal Staff Coll Area,Sect 19,Kamla Nehru Nagar,1, Ghaziabad 201002, Uttar Pradesh, India
来源：
SOUTH AFRICAN JOURNAL OF BOTANY | 2022年 / 151卷
关键词：
Linalool; Sweet basil; Growth stages; Full bloom; CHEMICAL-COMPOSITION; GROWTH; ANTIOXIDANT; CULTIVARS; QUALITY; HARVEST;
D O I：
10.1016/j.sajb.2022.11.019
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Ocimum basilicum L., popularly known as "sweet basil," is native to South Africa, America, and Asia. In India, numerous cultivars and varieties of O. basilicum have been released for commercial cultivation, which are rich in specific essential oils. In this study, the effects of phenological stages and plant density on the produc-tivity of high-quality essential oil of CIM-Sukhda cultivar of O. basilicum and the effects of drying methods on essential oil quality were investigated. In the present study, four plant spacing (45cm x 30cm, 45cm x 40cm, 45cm x 45cm, 45cm x 60cm), four growth stages (vegetative, semi -flowering, full flowering and seed forma-tion) and drying up to one month were compared. A total of 20 compounds were identified by GC and GC -MS, with linalool (66.9-84.2%), geranial (1.1-9.0%), neral (0.8-7.0%) and 1,8-cineole (0.5-3.4%) as the main constituents. The results showed that both plant density and growth stages affected herb and essential oil yield. The essential oil yield of CIM-Sukhda plants is higher at the time of full flowering (106.2 kg ha-1) with > 75.0% linalool content in the essential oil.(c) 2022 SAAB. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：919 / 925
页数：7
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