期刊
HORTICULTURAE
卷 8, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/horticulturae8060471
关键词
mashua; bioactive compound; healthy foods; glucosinolates; phenolics; carotenoids; ascorbic acid; abiotic stresses; methyl jasmonate
类别
资金
- Tecnologico de Monterrey (Bioprocess Research Group)
- Ministry of Education (MINEDU)
- National Council of Science, Technology and Technological Innovation from Peru (CONCYTEC) [199-2015-FONDECYT-UNSCH]
This study evaluated the content of bioactive compounds in different morphotypes of Peruvian mashua and found that mashua is a good source of phenolics and glucosinolates. Moreover, the use of MeJA increased the content of bioactive compounds in mashua.
Tropaeolum tuberosum Ruiz and Pav. Mashua is a crop from the Andean region associated with preventing chronic degenerative diseases. This study evaluated the content of bioactive compounds (phenolics, glucosinolates, carotenoids, and ascorbic acid) in twenty-seven Peruvian mashua morphotypes. Furthermore, three morphotypes (MAC 067, MAC 092, and MAC 123) were selected to evaluate further the effect of methyl jasmonate (MeJA) on the accumulation of bioactive compounds. Phenolic content in the mashua morphotypes ranged from 2990.76 +/- 273.5 mg/kg to 24,217.36 +/- 1144 mg/kg; whereas carotenoids ranged from 12.8 +/- 0.6 mg/kg to 85.8 +/- 3.1 mg/kg. Moreover, total glucosinolate content ranged from 65 +/- 11 mmol/kg to 1289 +/- 65 mmol/kg. The different mashua morphotypes showed low levels of ascorbic acid (lower than 5 mg/kg) compared with other crops. Except for glucosinolates, MeJA application augmented the level of bioactive compounds, showing increases of up to 150.1%, 535.0%, and 542% for total phenolics, carotenoids, and ascorbic acid, respectively. Results indicated that mashua is an excellent source of phenolics and glucosinolates, whereas it contains adequate levels of carotenoids and low levels of vitamin C. MeJA application during postharvest represented a simple approach to increase the content of bioactive compounds in mashua.
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