Institute of Food Science and Technology, National Taiwan University, Taipei, 10617, Taiwan, ROC.
Department of Food Science, National Quemoy University, Quemoy County, 89250, Taiwan, ROC.
Mol Nutr Food Res. 2024 Nov;68(21):e2400604. doi: 10.1002/mnfr.202400604. Epub 2024 Oct 3.
Metabolic syndrome (MetS) significantly contributes to premature mortality, with obesity being a major risk factor. Dragon fruit, cultivated globally, exhibits bioactivity in preventing obesity-related diseases. Traditional studies using organic solvents for extraction do not align with actual consumption patterns.
This study evaluates whole red dragon fruit's effectiveness in ameliorating metabolic disorders using a high-fat diet-induced obesity model in mice for 20 weeks. The experimental groups include the supernatant (RS), precipitate (RP), and pomace (PO) of red dragon fruit juice, compared to the supernatant of white dragon fruit juice (WS). The study finds that dragon fruit extracts reduced adipose tissue weight, body fat percentage, pro-inflammatory cytokines, and improved blood lipid profiles. RP is the most effective, reducing body weight by 4.33 g, improving lipid metabolism and glucose homeostasis, and altering gut microbiota to enhance beneficial bacteria and short-chain fatty acids. RP's efficacy in preventing MetS and obesity is attributed to its bioactive components.
These findings advocate for using whole fruits in developing functional products, amplifying the agricultural economic value of red dragon fruit.
代谢综合征(MetS)显著增加了过早死亡的风险,而肥胖是主要危险因素。火龙果在全球范围内种植,具有预防肥胖相关疾病的生物活性。传统的使用有机溶剂进行提取的研究方法与实际消费模式不符。
本研究使用高脂肪饮食诱导的肥胖模型在小鼠中进行了 20 周的实验,评估了整个红心火龙果改善代谢紊乱的效果。实验组包括红心火龙果汁的上清液(RS)、沉淀(RP)和渣(PO),与白心火龙果汁的上清液(WS)进行比较。研究发现,火龙果提取物可减轻脂肪组织重量、体脂百分比、促炎细胞因子,并改善血脂谱。RP 是最有效的,可降低体重 4.33g,改善脂代谢和葡萄糖稳态,并改变肠道微生物群,增加有益细菌和短链脂肪酸。RP 预防代谢综合征和肥胖的功效归因于其生物活性成分。
这些发现主张在开发功能性产品时使用整个水果,提高红心火龙果的农业经济价值。