Q85: Percentage of essential oil present in dry coriander seeds is... - Horticulture - RPSC Assistant Agriculture Officer 2021 | Agrigyan

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RPSC Assistant Agriculture Officer 2021

MCQ (Single Correct) +3 −1

Percentage of essential oil present in dry coriander seeds is -

धनिये के सूखे बीजों में ......... प्रतिशत ऐसेंशियल ऑयल होता है।

0.1 to 1.0% 0.1 से 1.0 % 2.5 to 3.5% 2.5 से 3.5 % 4.0 to 5.0% 4.0 से 5.0 % 5.5 to 6.0% 5.5 से 6.0 %

Dry coriander fruits/seeds (Coriandrum sativum L., Apiaceae) contain approximately 0.1 to 1.0% volatile (essential) oil (typically averaging 0.2 to 0.4% in Indian cultivars and up to 1.0% in European small-fruited types).
The principal chemical component responsible for the characteristic aroma of coriander seed oil is linalool (also called coriandrol), accounting for 60 to 70% of the total essential oil fraction.
Coriander seeds also contain 16 to 28% fixed (fatty) non-volatile oil, primarily composed of petroselinic acid.
In comparison, cumin seeds contain 2.5 to 4.5% essential oil, and fennel seeds contain 1.0 to 3.0% essential oil.

धनिये (Coriandrum sativum L.) के सूखे बीजों में वाष्पशील/सुगंधित तेल (Essential oil) की मात्रा '0.1 से 1.0 प्रतिशत' (औसतन 0.2 से 0.4%, विदेशी किस्मों में 1.0% तक) पाई जाती है।
धनिये के सुगंधित तेल का प्रमुख रासायनिक घटक 'लिनालूल' (Linalool / Coriandrol) है, जो कुल आवश्यक तेल का लगभग 60-70% भाग बनाता है।
इसके अतिरिक्त धनिये में 16 से 28% स्थिर/अवाष्पशील वसीय तेल (Fixed oil) भी पाया जाता है जिसमें पेट्रोसेलीनिक अम्ल मुख्य होता है।
तुलनात्मक रूप से, जीरे में 2.5 से 4.5% तथा सौंफ में 1.0 से 3.0% सुगंधित तेल पाया जाता है।

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