期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 57, 期 21, 页码 10323-10330出版社
AMER CHEMICAL SOC
DOI: 10.1021/jf9022096
关键词
Opuntia ficus-indica; cladodes; byproducts; flavonoids; phenolics; cell-wall structure
资金
- Biotechnology and Biological Research Sciences Council (BBSRC, U.K.)
- University of Messina (Italy)
- Biotechnology and Biological Sciences Research Council [BBS/E/F/00042288] Funding Source: researchfish
Opuntia ficus-indica cladodes represent the green stem of the plant and are generally used as animal feed or disposed of in landfills. The present work investigated the anatomical and chemical composition of Opuntia cladodes, which form the basis of their pharmacological effects. Glucose and galacturonic acid were the main sugars of Opuntia cladodes, whereas high-performance liquid chromatography (HPLC) analysis showed the presence of mainly kaempherol and isorhamnetin glycosides (glucoside and rhamnoside). The presence of high amounts of calcium oxalate crystals was demonstrated by light microscopy on fresh and lyophilized cladodes. No antimicrobial activity was observed even after enzymatic treatment. O. ficus-indica cladodes may retain material tightly associated with cell-wall components, and this property will have the potential to greatly reduce the bioavailability of bioactive compounds.
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