Aryana Nurisa, .- and Alfinda Novi Kristanti, .- and Yosephine Sri Wulan Manuhara, .- (2017) Effect of sucrose, erythrosa-4-phosphate and phenylalanine on biomass and flavonoid content of callus culture from leaves of Gynura procumbens Merr. In: The 4th International Conference on Research, Implementation and Education of Mathematics and Science (4th ICRIEMS). AIP Publishing, Yogyakarta, pp. 1-8. ISBN 090013, ISSN : 00001984, 00002005, 00001983

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Abstract

The aims of this study were to know the effect of concentration of sucrose, erythrose-4-phosphate andphenylalanine on biomass and flavonoid content of callus cultures from leaves of sambung nyawa (Gynura procumbens Merr.). This study was experimental research with complete randomized design. Callus induction was treated in MS medium supplemented with NAA 2 mg/L, BAP 1 mg/L and sucrose concentration (10 g/L, 30 g/L and 50 g/L) respectively were combined with erythrose-4-phosphate (0 µM, 2,5 µM and 5 µM) and phenylalanine (0 mg/L, 2 mg/L and 3 mg/L), each treatment were repeated four times. After six weeks of culture, fresh and dry weight of calli were measured and extracted with ethanol absolut. Crude extract ethanolic of callus was analyzed used by a modified colorimetric with spectrophotometer method. The best yield of calli biomass (0,672 ± 0,112 gram of fresh weight and 0,033 ± 0,009 gram of dry weight) was obtained in treatment of 30 g/L sucrose of and 5 µM erythrose-4-phosphate. The highest total flavonoid content was obtained of calli treated with 30 g/L of sucrose and 3 mg/L of phenylalanine (3633,4 ppm quercetin/gram dry weight and 15777,8 ppm kaempferol/gram dry weight).

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