期刊
FOOD AND CHEMICAL TOXICOLOGY
卷 50, 期 6, 页码 1866-1873出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fct.2012.03.057
关键词
Melissa officinalis; Infusions; In vitro culture; Nutraceuticals; Antioxidant potential
资金
- Fundacao para a Ciencia e a Tecnologia (FCT, Portugal)
- COMPETE/QREN/EU [PTDC/AGR-ALI/110062/2009, PEst-OE/AGR/UI0690/2011]
- FCT
- POPH-QREN
- FSE [SFRH/BPD/4609/2008]
Melissa officinalis (lemon balm) infusions are used worldwide for digestive, analgesic and other pharmaceutical applications. Herein, the nutraceuticals production and antioxidant potential in garden cultivated, in vitro cultured and two commercial samples (bags and granulated) of lemon balm was compared. The profile of in vitro cultured lemon balm is closer of garden cultivated sample than of both commercial samples (bag or granulate). It presented the highest levels of proteins and ash, and the lowest energetic value. The most favorable n6/n3 ration, as also the highest PUFA (mostly alpha-linolenic acid), tocopherols (including alpha-, gamma- and delta-isoforms) and ascorbic acid contents were also observed in this sample. Nevertheless, it was the commercial bag lemon balm that gave the highest antioxidant activity and the highest levels of phenolics and flavonoids. As far as we kwon, this is the first comparison of nutraceuticals and antioxidant potential of cultivated, in vitro cultured and commercial lemon balm samples. Moreover, it proved that in vitro culture might be used to stimulate vitamins production. (C) 2012 Elsevier Ltd. All rights reserved.
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