Read e-book online Amaranthus: A Promising Crop of Future PDF

By Saubhik Das

ISBN-10: 981101468X

ISBN-13: 9789811014680

ISBN-10: 9811014698

ISBN-13: 9789811014697

This e-book serves the bigger group of plant researchers engaged on the taxonomy, species delimitation, phylogeny, and biogeography of pseudo-cereals, with a different emphasis on amaranths. It additionally presents broad info at the nutritive worth of underutilized pseudo-cereals, the aim being to develop the vegetable list.

Amaranthus is a sophisticated genus of annual or short-lived perennial crops. lots of the species are summer time annual weeds and are quite often often called pigweed. just a couple of are cultivated as vitamin-rich greens and ornamentals. The protein-rich seeds of a handful of species, referred to as grain amaranths, are ate up as pseudo-cereals. Amaranthusmanifests enormous morphological range between or even inside sure species, and there's no basic contract at the taxonomy or variety of species. at the moment the genus Amaranthus is thought to incorporate 3 well-known subgenera and 70 species. Amatanthus is taken into account to most likely provide an alternate crop in temperate and tropical climate.

The class of amaranths is ambiguous because of the loss of discrete and quantitative species-defining features and the wide variety of phenotypic plasticity, in addition to introgression and hybridization related to weedy and crop species. it's a identified undeniable fact that either vegetable and grain amaranths have developed from their respective weed progenitors. There are greater than a hundred and eighty assorted weed species which are herbicide-resistant, and amaranths are thought of to be prime participants of the resistant biotypes. Amaranth species supply plentiful scope for investigating herbicide resistance mechanisms. Amaranths additionally convey variability when it comes to their mating habit and germplasm, adaptability to diversified becoming stipulations, and wide selection of variability in sexual structures, from monoecy to dioecy. an effective clutch of those parameters is key to the longer term usage of amaranths as great vegetation. There are a number of amaranth examine middle and germplasm collections world wide that keep and review operating germplasms. up to now, the genetic development of amaranths has basically concerned the applying of traditional choice tools. yet advances in genomics and biotechnology have dramatically enriched the capability to control the amaranth genome, in particular bettering the volume and availability of nutrients.

In end, the publication covers all elements of amaranths, together with their foodstuff price, importance as greens and pseudo-cereals, taxonomy, phylogeny, germplasm variability, breeding habit and methods, cultivation practices, and variability by way of their sexual structures. It deals a necessary source for all scholars, researchers and specialists operating within the box of plant taxonomy and diversity.

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Extra info for Amaranthus: A Promising Crop of Future

Sample text

1981), cBecker et al. (1981), dDodok et al. (1997) and eSanchez-Marroquin et al. 3). The compilation of maize and amaranth grain flour in 50:50 ratio nearly reaches the perfect score of 100 on the nutritionist’s scale (Segura-Nieto et al. 1994; Saunders and Becker 1984; Grobelnik et al. 2009a, b). 43. 2 %, respectively. Amaranth seed oil has been reported to contain large amount (7–8 % and 11 %) of squalene which is often used in cosmetics and medicine, where olive oil contains only 1 % of squalene.

Mild spinach-like flavour of vegetable amaranths, high yields, ability to grow in hot weather and high nutritive value are few reasons for their popularity. They are probably the most widely consumed leafy vegetables in the humid tropical lowland of Africa and Asia (Schnetzler and Breene 1994). Amaranthus tricolor is very rich in morphological diversity, represented in a number of different morphotypes (Fig. 10). Vegetable amaranths are very rich in protein; calcium; iron; vitamin A, C 26 Fig. 10 Different varieties of Amaranthus tricolor L.

It contains plenty of bioactive components, such as L-ascorbic acid, betacarotene, polyphenol, anthocyanins and lutein (Walter 2001). It has been used as an antipyretic to reduce labour pain in Indian and Nepalese traditional medicine, as astringent, 40 diuretic, haemorrhage and hepatoprotective agent (Kirtikar and Basu 1987). Amaranths have also been used to treat bladder distress, piles, toothache, blood disorders and dysentery (Madhav et al. 2008). The health beneficial antioxidant activities are related to their bioactive components.

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Amaranthus: A Promising Crop of Future by Saubhik Das

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