Novel Antioxidant and Hypoglycemic Water-Soluble Polysaccharides from Jasmine Tea
There have been few studies dealing with chemical elucidation and pharmacological potentials of water-soluble polysaccharides from jasmine tea, limiting their use in functional foods. In this study, water-soluble polysaccharides (named as JSP) were extracted from <i>Jasminum sambac</i> (...
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MDPI AG
2021-10-01
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| Series: | Foods |
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| Online Access: | https://www.mdpi.com/2304-8158/10/10/2375 |
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| author | Yayuan Tang Jinfeng Sheng Xuemei He Jian Sun Zhen Wei Guoming Liu Changbao Li Bo Lin Li Li |
| author_facet | Yayuan Tang Jinfeng Sheng Xuemei He Jian Sun Zhen Wei Guoming Liu Changbao Li Bo Lin Li Li |
| author_sort | Yayuan Tang |
| collection | DOAJ |
| description | There have been few studies dealing with chemical elucidation and pharmacological potentials of water-soluble polysaccharides from jasmine tea, limiting their use in functional foods. In this study, water-soluble polysaccharides (named as JSP) were extracted from <i>Jasminum sambac</i> (L.) Aiton tea and fractionated to afford two sub-fractions (JSP-1 and JSP-2). The main structural characteristics of novel JSP sub-fractions were determined by high performance gel permeation chromatography, ultra-performance liquid chromatography-tandem mass spectrometry, Fourier transform infrared, and nuclear magnetic resonance analysis. Physiologically, the abilities of JSP-1 and JSP-2 to reduce ferric ions, scavenge DPPH and hydroxyl radicals, as well as protect islet cells were confirmed in vitro. JSP-1 exhibited better antioxidant and hypoglycemic activities than JSP-2. The molecular weights of JSP-1 and JSP-2 were 18.4 kDa and 14.1 kDa, respectively. JSP-1 was made up of glucose, galactose, rhamnose, xylose, arabinose, and galacturonic acid with molar ratios 1.14:4.69:1.00:9.92:13.79:4.09, whereas JSP-2 with a triple helical structure was composed of galactose, rhamnose, xylose, arabinose, and galacturonic acid as 3.80:1.00:8.27:11.85:5.05 of molar ratios. JSP-1 contains →1)-α-Gal<i>ƒ</i>-(3→, →1)-α-Gal<i>ƒ</i>-(2→, →1)-α-Ara<i>ƒ</i>-(5→, →1)-α-Ara<i>ƒ</i>-(3→, →1)-α-Ara<i>ƒ</i>-(3,5→, →1)-β-Xyl<i>p</i>-(2→ and →1)-β-Xyl<i>p</i>-(3→ residues in the backbone. These results open up new pharmacological prospects for the water-soluble polysaccharides extracted from jasmine tea. |
| first_indexed | 2024-03-10T06:33:57Z |
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| id | doaj.art-a87414c6afcc4cd7b42c319842049093 |
| institution | Directory Open Access Journal |
| issn | 2304-8158 |
| language | English |
| last_indexed | 2024-03-10T06:33:57Z |
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| spelling | doaj.art-a87414c6afcc4cd7b42c3198420490932023-11-22T18:15:05ZengMDPI AGFoods2304-81582021-10-011010237510.3390/foods10102375Novel Antioxidant and Hypoglycemic Water-Soluble Polysaccharides from Jasmine TeaYayuan Tang0Jinfeng Sheng1Xuemei He2Jian Sun3Zhen Wei4Guoming Liu5Changbao Li6Bo Lin7Li Li8Agro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, 174 East Daxue Road, Nanning 530007, ChinaAgro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, 174 East Daxue Road, Nanning 530007, ChinaAgro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, 174 East Daxue Road, Nanning 530007, ChinaGuangxi Academy of Agricultural Sciences, 174 East Daxue Road, Nanning 530007, ChinaAgro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, 174 East Daxue Road, Nanning 530007, ChinaAgro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, 174 East Daxue Road, Nanning 530007, ChinaAgro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, 174 East Daxue Road, Nanning 530007, ChinaAgro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, 174 East Daxue Road, Nanning 530007, ChinaAgro-Food Science and Technology Research Institute, Guangxi Academy of Agricultural Sciences, 174 East Daxue Road, Nanning 530007, ChinaThere have been few studies dealing with chemical elucidation and pharmacological potentials of water-soluble polysaccharides from jasmine tea, limiting their use in functional foods. In this study, water-soluble polysaccharides (named as JSP) were extracted from <i>Jasminum sambac</i> (L.) Aiton tea and fractionated to afford two sub-fractions (JSP-1 and JSP-2). The main structural characteristics of novel JSP sub-fractions were determined by high performance gel permeation chromatography, ultra-performance liquid chromatography-tandem mass spectrometry, Fourier transform infrared, and nuclear magnetic resonance analysis. Physiologically, the abilities of JSP-1 and JSP-2 to reduce ferric ions, scavenge DPPH and hydroxyl radicals, as well as protect islet cells were confirmed in vitro. JSP-1 exhibited better antioxidant and hypoglycemic activities than JSP-2. The molecular weights of JSP-1 and JSP-2 were 18.4 kDa and 14.1 kDa, respectively. JSP-1 was made up of glucose, galactose, rhamnose, xylose, arabinose, and galacturonic acid with molar ratios 1.14:4.69:1.00:9.92:13.79:4.09, whereas JSP-2 with a triple helical structure was composed of galactose, rhamnose, xylose, arabinose, and galacturonic acid as 3.80:1.00:8.27:11.85:5.05 of molar ratios. JSP-1 contains →1)-α-Gal<i>ƒ</i>-(3→, →1)-α-Gal<i>ƒ</i>-(2→, →1)-α-Ara<i>ƒ</i>-(5→, →1)-α-Ara<i>ƒ</i>-(3→, →1)-α-Ara<i>ƒ</i>-(3,5→, →1)-β-Xyl<i>p</i>-(2→ and →1)-β-Xyl<i>p</i>-(3→ residues in the backbone. These results open up new pharmacological prospects for the water-soluble polysaccharides extracted from jasmine tea.https://www.mdpi.com/2304-8158/10/10/2375<i>Jasminum sambac</i> (L.) Aiton teapolysaccharidesantioxidant capacityanti-hyperglycemic activitystructural analysis |
| spellingShingle | Yayuan Tang Jinfeng Sheng Xuemei He Jian Sun Zhen Wei Guoming Liu Changbao Li Bo Lin Li Li Novel Antioxidant and Hypoglycemic Water-Soluble Polysaccharides from Jasmine Tea Foods <i>Jasminum sambac</i> (L.) Aiton tea polysaccharides antioxidant capacity anti-hyperglycemic activity structural analysis |
| title | Novel Antioxidant and Hypoglycemic Water-Soluble Polysaccharides from Jasmine Tea |
| title_full | Novel Antioxidant and Hypoglycemic Water-Soluble Polysaccharides from Jasmine Tea |
| title_fullStr | Novel Antioxidant and Hypoglycemic Water-Soluble Polysaccharides from Jasmine Tea |
| title_full_unstemmed | Novel Antioxidant and Hypoglycemic Water-Soluble Polysaccharides from Jasmine Tea |
| title_short | Novel Antioxidant and Hypoglycemic Water-Soluble Polysaccharides from Jasmine Tea |
| title_sort | novel antioxidant and hypoglycemic water soluble polysaccharides from jasmine tea |
| topic | <i>Jasminum sambac</i> (L.) Aiton tea polysaccharides antioxidant capacity anti-hyperglycemic activity structural analysis |
| url | https://www.mdpi.com/2304-8158/10/10/2375 |
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