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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Introducing Stevia rebaudiana, a natural zero-calorie sweetener.
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Introducing Stevia rebaudiana, a natural zero-calorie sweetener.

机译：引入天然零卡路里甜味剂甜叶菊甜叶菊。

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摘要

Two accessions of S. rebaudiana were successfully introduced in the experimental farm at the Institute of Himalayan Bioresource Technology, Palampur (Himachal Pradesh, India) in 2000. Cultivation trial of these accessions was conducted during 2001-03. Overall crop performance was satisfactory for both the accessions and they were the least affected by biotic and abiotic factors such as high rainfall, frost, and infestation by insects and diseases. Quantitative differences were found in stevioside content of the two accessions, ranging between 6 and 8%. Accession 1 was superior in stevioside content and Accession 2 was superior in leaf biomass. A higher content of stevioside was found in the regenerated crop in January, during the second year of plant growth. With improved management practices, there is further scope for improvement in stevioside content. A laboratory-scale process was developed for the extraction of stevioside up to 63% purity. Although the crop is self-incompatible in its breeding behaviour, the prevalence of two diverse accessions has facilitated seed production under Palampur conditions. This has triggered the production of plant material for its introduction amongst interested growers in large numbers. The present communication outlines the growing pattern and stevioside yield from the North Indian region. Three cuts could be obtained during the two-year growing period of the crop.
机译：2000年，在印度帕兰普尔（印度的喜马hal尔邦）喜马拉雅生物资源技术研究所的实验农场成功引入了两种雷波氏酵母的种质。这些种质的培养试验于2001-03年进行。两种种的总体作物表现令人满意，它们受生物和非生物因素（例如高降雨，霜冻以及昆虫和疾病侵染）的影响最小。发现这两个种的甜菊糖含量存在数量差异，范围在6％至8％之间。种质1的甜菊糖苷含量优越，种质2的叶片生物量优良。在植物生长的第二年1月，再生作物中发现了更高含量的甜菊糖苷。随着管理实践的改善，甜菊糖苷含量还有进一步提高的空间。开发了实验室规模的工艺来提取甜菊糖苷，纯度高达63％。尽管该作物在繁殖行为上是自相矛盾的，但两种不同种质的流行促进了在Palampur条件下的种子生产。这触发了植物材料的生产，并将其引入有兴趣的种植者中。本来文概述了北印度地区的增长模式和甜菊糖产量。在该作物的两年生长期中，可收获三份。

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