Evaluation of Characteristics of Peanut Sprout Using Korean Cultivars
2011
Pae, S.B., National Institute of Crop Science, RDA, Milyang, Republic of Korea | Ha, T.J., National Institute of Crop Science, RDA, Milyang, Republic of Korea | Lee, M.H., National Institute of Crop Science, RDA, Milyang, Republic of Korea | Hwang, C.D., National Institute of Crop Science, RDA, Milyang, Republic of Korea | Shim, K.B., National Institute of Crop Science, RDA, Milyang, Republic of Korea | Park, C.H., National Institute of Crop Science, RDA, Milyang, Republic of Korea | Park, K.Y., National Institute of Crop Science, RDA, Milyang, Republic of Korea | Baek, I.Y., National Institute of Crop Science, RDA, Milyang, Republic of Korea
This experiment was conducted to select suitable cultivars and evaluate growth characteristics to get basic information for sprouting peanut. On sprouting peanut, it showed a rapid increase in trans-resveratrol content that has effects on anti-cancer, anti-inflammatory, blood-sugar-lowering and other beneficial cardiovascular in mouse. For this experiment, characteristics of peanut sprouts were tested in 37 cultivars grown for 7 days at 26℃ temperature. There were a lots of variations in the growth characteristics among cultivars as followers : The range of 100 grain weight was 56 to 142 g, hypocotyl length was 4.3 cm to 5.8 cm, diameter of hypocotyl was 5.0 to 8.0 mm, epicotyl length was 0.8 cm to 4.6 cm, seedling ratio per seed number was 84% to 100%, weight per seedling was 4.9 g to 8.4 g, the rate of hypocotyl cleavage was 0% to 46%, the content of trans-resveratrol was 22.5 ㎍/g to 88.2 ㎍/g and sprout yield was 360% to 820%. The selection points considered were high sprout yield, high seedling rate, high resveratrol content, low brownish cotyledon, no hypocotyl cleavage, and fat hypocotyl etc. The best cultivar selected was 'Jokwang' that showed 7.8 mm diameter, clean cotyledon color, 100% seedling rate, 0% hypocotyl cleavage, 63.3 ㎍/g resveratrol, and 820% sprouting yield. This cultivar was expected to be of use as a new food and nutraceutical material. Relationship between growth characteristics showed that root length had significant positive correlations with epicotyl length, resveratrol content and sprouting yield but negative correlations with hypocotyl diameter and cleavage. Hundred grain weight showed negative correlations with resveratrol content, seedling rate and sprouting yield but positively correlated with curved hypocotyl rate and hypocotyl cleavage positively. This result showed small grain seed will be more appropriate for sprouting peanut.
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