STUDIES ON CURING OF ONION (Allium cepa L.) BULBS IN MODULAR POLYHOUSE DRYER
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Date
2017-07-10
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UNIVERSITY OF AGRICULTURAL SCIENCES GKVK, BENGALURU
Abstract
Onion (Allium cepa L.) is by far the most important of the bulbs across
vegetable crops. It is popularly used both in immature and mature bulb stages as a
vegetable (Homer and Williams, 1957). Onion originates from the region comprising
of North West India, Afghanistan, Tajik and Uzbek. In India, onion is grown from
very ancient time, as it is mentioned in Charaka-Samihita a famous early medical
treatise. It has got a Sanskrit name ‘Palanduhu’ (Krishnamurthy et al., 1987).
Onion grown for bulbs belongs to the family alliaceae and comes under genus
Allium (Warade and Kadam, 1998). The outstanding characteristic of onion is its
pungent alliaceous odour, owing to a volatile oil known as Allyl-propyl-disulphide
(Saini, 1997). This character accounts in large part for its use as a food, a spice in
cooking, a salad vegetable and certainly is the basis for their century old repute in
medicines (Balasubramanyam et al., 1999).
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