Bioactive attributes of tomatoes possessing dg, ogc, and rin genes

Abstract

We present the results of the first study characterizing new tomato hybrids, possessing dark green (dg), old gold crimson (og(c)), and ripening inhibitor (rin) genes, that determines the bioactive molecules and in vitro antioxidant potential of the peel and pulp of the fruits. The hybrids developed from Berika and BCT-115 (having the dg gene) were superior to those developed from BCT-119 and BCT-111 (carrying og(c) and rin genes, respectively), in relation to their nutritional potential. A wide range (mg/100 g FW) of ascorbic acid (∼21-40), lycopene (∼2-4), β-carotene (∼0.5-1.7), total flavonoids (∼4.6-20.0), and total phenols (∼16-30) was recorded in the pulp. The peel fraction of the tomatoes was identified as an important reservoir of antioxidant bioactive compounds viz. lycopene (∼8-25), β-carotene (∼1.6-3.1), total flavonoids (∼42-82), and total phenols (∼59-83). The radical scavenging activity ranged from ∼45-78 and 21-50% in the peel and pulp, respectively, whereas the metal chelating activity was found to range from ∼23-42 and ∼15-26% in peel and pulp, respectively, among all the hybrids. This finding offers a new direction towards the development of new tomato hybrids that possess not only a good shelf life, but also a nutritional status as well. Moreover, utilizing tomato peel as a source of phytochemicals could offer diverse opportunities for nutraceutical and functional food applications.

Genetic Analysis for the Determination of Heterosis and Combining Ability of Tomato Fruit Morphological Traits Under Frost Stress

“…Therefore, the hybrids those are capable enough to express better yield potential with acceptable qualitative performances at prescribed location as compared to the existing varieties could be used for commercial utilization. Significant variation for yield related traits has also been reported in previous studies (Govindarasu et al, 1981;Siddiqui et al, 2014). The existence of significant variation in the population for different yield related traits is the pre-requisite for improvement of yield in tomatoes.…”

“…The existence of significant variation in the population for different yield related traits is the pre-requisite for improvement of yield in tomatoes. Selection made on the basis of different yield contributing traits has been reported for yield improvement in tomatoes (Pandey et al, 2006;Siddiqui et al, 2014). GGE biplot technique also proved that the studied genotypes and hybrids have greater genotypic and genotype × year interaction in multi-locations.…”

Bioactive Compounds and Antioxidant Capacity in Dark Green, Old Gold Crimson, Ripening Inhibitor, and Normal Tomatoes

“…It may protect against cancer through several mechanisms, in addition to inhibiting DNA oxidation. [2] Lycopene Lycopene contents showed significant (p < 0.05) variation among all genotypes (Table 2). In general, the high pigment genotypes [Berika, BCT-115 (dg), and BCT-119 (og c )] were found to contain higher amount of lycopene than ordinary tomato genotypes in both peel and pulp.…”

“…The results are expressed as mg/ 100 g fresh weight (FW) for both lycopene and β-carotene. [2] Extracts were prepared following the method described in our previous article. [3] The pulp and peel of fresh fruits were homogenized separately in a grinder for 3 min at 15 s intervals to avoid excessive heating.…”

“…The favorable effects of fresh fruits and vegetables on human health are associated with various classes of compounds, which are responsible for antioxidant properties. [1][2][3] Interest in the function of antioxidants in human health has promoted research to evaluate fruit and vegetable antioxidants and to determine how their content and activity can be maintained or even improved through crop breeding, cultural practices, postharvest storage, and processing. [3,4] Enhancing the health benefits of fresh produce could, therefore, add value and create new opportunities for growers and processors by enabling them to earn lucrative shares in health-oriented markets.…”