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Keywords = Eleutherine americana

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9 pages, 803 KB  
Article
New Naphthalene Derivatives from the Bulbs of Eleutherine americana with Their Protective Effect on the Injury of HUVECs
by De-Li Chen, Mei-Geng Hu, Yang-Yang Liu, Rong-Tao Li, Meng Yu, Xu-Dong Xu and Guo-Xu Ma
Molecules 2018, 23(9), 2111; https://doi.org/10.3390/molecules23092111 - 22 Aug 2018
Cited by 16 | Viewed by 5238
Abstract
Five new naphthalene derivatives, named Eleutherols A–C (13) and Eleuthinones B–C (4,5), together with three known compounds were isolated from the bulbs of Eleutherine americana. Their structures were elucidated on the basis of spectroscopic [...] Read more.
Five new naphthalene derivatives, named Eleutherols A–C (13) and Eleuthinones B–C (4,5), together with three known compounds were isolated from the bulbs of Eleutherine americana. Their structures were elucidated on the basis of spectroscopic analysis including HR-ESI-MS, 1D and 2D NMR techniques. These compounds exhibited a potent effect against the injury of human umbilical vein endothelial cell (HUVECs) induced by high concentrations of glucose in vitro. Full article
(This article belongs to the Collection Bioactive Compounds)
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16 pages, 267 KB  
Article
Applications of Microencapsulated Bifidobacterium Longum with Eleutherine Americana in Fresh Milk Tofu and Pineapple Juice
by Atchara N. Phoem, Suphitchaya Chanthachum and Supayang P. Voravuthikunchai
Nutrients 2015, 7(4), 2469-2484; https://doi.org/10.3390/nu7042469 - 3 Apr 2015
Cited by 35 | Viewed by 7595
Abstract
Bifidobacterium longum was microencapsulated by extrusion technique and added in fresh milk tofu and pineapple juice. Microencapsulation of B. longum with Eleutherine americana extract, oligosaccharides extract, and commercial fructo-oligosaccharides was assessed for the bacterial survival after sequential exposure to simulated gastric and intestinal [...] Read more.
Bifidobacterium longum was microencapsulated by extrusion technique and added in fresh milk tofu and pineapple juice. Microencapsulation of B. longum with Eleutherine americana extract, oligosaccharides extract, and commercial fructo-oligosaccharides was assessed for the bacterial survival after sequential exposure to simulated gastric and intestinal juices, and refrigeration storage. Microencapsulated B. longum with the extract and oligosaccharides extract in the food products showed better survival than free cells under adverse conditions. Sensory analysis demonstrated that the products containing co-encapsulated bacterial cells were more acceptable by consumers than free cells. Pineapple juice prepared with co-encapsulated cells had lower values for over acidification, compared with the juice with free cells added. This work suggested that microencapsulated B. longum with E. americana could enhance functional properties of fresh milk tofu and pineapple juice. Full article
(This article belongs to the Special Issue Natural Products for Human Health)
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18 pages, 196 KB  
Article
Preparation of Eleutherine americana-Alginate Complex Microcapsules and Application in Bifidobacterium longum
by Atchara N Phoem, Suphitchaya Chanthachum and Supayang P Voravuthikunchai
Nutrients 2015, 7(2), 831-848; https://doi.org/10.3390/nu7020831 - 26 Jan 2015
Cited by 19 | Viewed by 7032
Abstract
Microencapsulation using extrusion and emulsion techniques was prepared for Bifidobacterium longum protection against sequential exposure to simulated gastric and intestinal juices, refrigeration storage and heat treatment. Eleutherine americana was used as the co-encapsulating agent. Hydrolysis of E. americana by gastric and intestinal juices [...] Read more.
Microencapsulation using extrusion and emulsion techniques was prepared for Bifidobacterium longum protection against sequential exposure to simulated gastric and intestinal juices, refrigeration storage and heat treatment. Eleutherine americana was used as the co-encapsulating agent. Hydrolysis of E. americana by gastric and intestinal juices was also determined. E. americana and its oligosaccharide extract demonstrated their resistance to low pH and partial tolerance to human α-amylase. Microencapsulated B. longum with E. americana and oligosaccharide extract prepared by the extrusion technique survived better than that by the emulsion technique under adverse conditions. Survival of microencapsulated cells after exposure to the juices and refrigeration storage was higher than free cells at Weeks 2 and 4. In addition, the viability of microencapsulated cells was better than free cells at 65 °C for 15 min. This work suggested that microencapsulated B. longum with E. americana offers the effective delivery of probiotics to colon and maintains their survival in food products. Full article
(This article belongs to the Special Issue Natural Products for Human Health)
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