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首页> 外文期刊>Medicinal and Aromatic Plant Science and Biotechnology >Aroma Profile of Clary Sage (Salvia sclarea L.): Influence of Harvesting Stage and Post Harvest Storage in Uttarakhand Hills
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Aroma Profile of Clary Sage (Salvia sclarea L.): Influence of Harvesting Stage and Post Harvest Storage in Uttarakhand Hills

机译：鼠尾草（Salvia sclarea L.）的香气特征：北阿坎德邦丘陵收获阶段和收获后储存的影响

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摘要

An experiment was conducted to determine the impact of harvesting stage and postharvest storage on essential oil (EO) content and composition of clary sage (Salvia sclarea L.) cv. 'CIM-Chandni' in the Kumaon region of western Himalaya. Clary sage inflorescences were collected at five different stages viz., prior to seed setting, all seeds whitish green, half seeds brown, all seeds brown and seed shattering stages. The EO was isolated by hydrodistillation and analyzed by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS). The EO content varied from 0.18 to 0.31 % during these stages. The major components of these oils were linalool (25.38-34.32%), linalyl acetate (27.98-48.59%), alpha-terpineol (4.03-5.25%) and sclareol (1.02-1.59%). Storage of clary sage inflorescences under shade for 96 h prior to distillation significantly reduced the EO recovery (from 0.30 to 0.13%). Linalool increase after storage (28.86 to 37.47%) but linalyl acetate initially increased (from 39.68 to 43.30%) thereafter it decreased after storage.
机译：进行了一项实验，以确定收获期和收获后的储存对鼠尾草（Salvia sclarea L.）cv精油（EO）含量和组成的影响。喜马拉雅山西部库玛昂地区的“ CIM-Chandni”。鼠尾草花序在五个不同的阶段收集，即在结实之前，所有种子发白绿色，一半种子棕色，所有种子棕色和种子破碎阶段。通过加氢蒸馏分离出EO，并通过气相色谱（GC）和气相色谱-质谱（GC-MS）进行分析。在这些阶段，EO含量从0.18％到0.31％不等。这些油的主要成分是芳樟醇（25.38-34.32％），乙酸芳樟酯（27.98-48.59％），α-松油醇（4.03-5.25％）和香紫苏醇（1.02-1.59％）。蒸馏前将鼠尾草花序在阴凉处保存96小时，可显着降低EO的回收率（从0.30％降至0.13％）。储存后芳樟醇增加（28.86％至37.47％），但乙酸芳樟酯最初增加（从39.68％增加至43.30％），随后在储存后降低。

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