The software is available at http://hawaii.aist-nara.ac.jp/~shige-o/tools/.
Six selected weedy Amaranthus genotypes (three accessions from each species of A. viridis and A. spinosus) were evaluated in terms of nutrients, minerals, antioxidant constituents and antioxidant activity for the possibilities of weedy species as a vegetable cultivar in a randomized complete block design with three replications. As leafy vegetable, Weedy Amaranthus has remarkable protein, dietary fiber, carbohydrates, Ca, K, Mg, P, S, Fe, Mn, Cu, Zn, Na, Mo, B, chlorophylls, β-cyanins, β-xanthins, betalains, β-carotene, vitamin C, TPC, TFC, and TAC (DPPH and ABTS+) compared to any cultivated species. The A. viridis genotype WAV7 and A. spinosus genotype WAS13 had the highest nutrients, pigments, vitamins, phenolics, flavonoids, and antioxidant. Hence, these two weedy accessions could be used as an antioxidant profile enriched cultivar with high nutritional and antioxidant activity. Pigments, β-carotene, vitamin C, phenolics, and flavonoids had strong antioxidant activity and played a vital role in the antioxidant activity of weedy Amaranthus genotypes. Weedy species are an excellent source of phenolics, flavonoids, and antioxidants that have many pharmacological and medicinal effects of their traditional applications and detoxify ROS and offered huge prospects for feeding the antioxidant-deficient community to cope with the hidden hunger and attaining nutritional and antioxidant sufficiency.
To predict the prognosis of neuroblastoma patients and choose a better therapeutic protocol, we developed a cDNA microarray carrying 5340 genes obtained from primary neuroblastomas and examined 136 tumor samples. We made a probabilistic output statistical classifier that provided a high accuracy in prognosis prediction (89% at 5 years) and a highly reliable method to validate it. Kaplan-Meier analysis indicated that the patients in an intermediate group defined by existing markers are divided by microarray into two further groups with 5 year survivals for 36% and 89% of patients (p < 10(-4)), i.e., with unfavorably and favorably predicted neuroblastomas, respectively. According to these results, we developed a gene subset chip for a clinical tool, for which our classifier exhibited 88% prediction accuracy.
Amaranth has two morphological types (morphs), one is red and another is green morph. Red morph amaranth is a marvelous source of nutrients, antioxidant pigments, minerals, and phytochemicals compared to green morph amaranth. For this purpose, we selected 25 red morph genotypes to evaluate in terms of proximate, minerals, antioxidant pigments and phytochemicals and antioxidant activity in RCBD design in three replicates. The leaves of red morph amaranth are an excellent source of dietary fiber, carbohydrates, moisture, and protein. We found remarkable potassium, calcium, magnesium (24.96, 10.13, 30.01 mg g-1), iron, manganese, copper, zinc (1089.19, 243.59, 25.77, 986.61 μg g-1), chlorophyll a, chlorophyll b (31.79, 16.05 mg 100 g-1), β-cyanins, total flavonoids (102.10 RE μg g-1 DW), β-xanthins, betalains (33.30, 33.09, 66.40 μg 100 g-1), carotenoids, total phenolics (172.23 GAE μg g-1 DW), β-carotene (1225.94, 1043.18 μg g-1), vitamin C (955.19 μg g-1), and antioxidant activity (DPPH and ABTS+) (19.97 and 39.09 TEAC μg g-1 DW) in the red morph amaranth leaves. We can select the genotype RA5, RA8, RA18, RA22, and RA25 as antioxidant-enriched red morph amaranth. It revealed that amaranth β-cyanins, phenolics, betalains, flavonoids, β-xanthins, carotenoids, vitamin C, and β-carotene had strong antioxidant activity. These phytochemicals contributed significantly in the antioxidant potentials of red morphs amaranth. Red morph amaranth could be a potential source of nutrients, antioxidant pigments, minerals, and phytochemicals as these compounds scavenged ROS and served as potential antioxidants in our daily diet to attaining nutritional and antioxidant sufficiency.
Amaranth has two morphological types described as red and green morphs. previous studies have extensively characterised red morph amaranth regarding both morphological and chemical properties including antioxidant activity, antioxidant phytochemical profile, mineral content and proximate composition. However, there is scarce information concerning green morph amaranth. Hence, the present study evaluated 12 green morph genotypes for proximate composition, antioxidant activity, antioxidant pigments, minerals, and phytochemicals. Green morph amaranth was found to contain abundant carbohydrates, dietary fiber and protein. We found notable levels of inorganic minerals including potassium, calcium, magnesium, iron, manganese, copper and zinc. Antioxidant capacity quantified as free radical quenching capacity varied between 27 and 48 μg g −1 Trolox equivalents. We additionally quantified antioxidants, including total phenolics, total flavonoid equivalents and vitamin c, as well as the antioxidant pigments carotenoids, chlorophylls and betalains. these data indicated that four green morph genotypes could be considered as enriched in their antioxidant profiles. Green morph amaranth could be a potential source of nutritional components and antioxidant phytochemicals in the human diet providing opportunities to address mineral nutrient deficiencies and provide an antioxidant rich food Amaranthus is a fast-growing plant that is widely distributed throughout the world and belongs to the family Amaranthaceae. Among the 70 species of Amaranthus, 17 are cultivated for edible leaves, and 3 are cultivated as food grains 1 . A few genera of Amaranthus are used as a traditional medicine for the remedy of viral, malarial, diabetic, bacterial, and helminthic diseases and as snake bite antidote 2-4 . Amaranth leaves and stems are good economic sources of carotenoids, proteins, including the essential amino acids methionine and lysine, dietary fiber and minerals, such as magnesium, calcium, potassium, copper, phosphorus, zinc, iron, and manganese [5][6][7][8][9][10][11][12][13][14][15][16] . Amaranth is also abundant in several pigments, such as carotenoids, chlorophylls, amaranthine, anthocyanins, betalains, betaxanthins, and betacyanins 17,18 and natural antioxidant phytochemicals, such as vitamin C, betacarotene, flavonoids, and phenolic acids 19,20 , that act as reactive oxygen species (ROS) scavengers in the human body 21,22 . This plant family is widely acclimatized to different abiotic stresses, such as drought 23-26 and salinity 27-29 , and has multipurpose applications.Amaranth has two morphological types described as red and green morphs 30 . Bangladesh has many amaranth germplasms with great variability and phenotypic plasticity 31 that have many culinary uses. The edible green morph of amaranth is a famous vegetable in Bangladesh, South-East Asia, and Africa. Its nutritional value, taste, and attractive leaf color make it very popular. In Bangladesh, amaranth is grown year-round and even fills in the gaps of main crops betwe...
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