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油灯笼果(秘鲁酸浆)。

Oil goldenberry (Physalis peruviana L.).

作者信息

Ramadan Mohamed F, Mörsel Jörg-T

机构信息

Institute of Food Chemistry, Technical University of Berlin, TIB 4/3-1, Gustav-Meyer-Allee 25, D-13355 Berlin, Germany.

出版信息

J Agric Food Chem. 2003 Feb 12;51(4):969-74. doi: 10.1021/jf020778z.

Abstract

Whole berries, seeds, and pulp/peel of goldenberry (Physalis peruviana L.) were compared in terms of fatty acids, lipid classes, triacylglyerols, phytosterols, fat-soluble vitamins, and beta-carotene. The total lipid contents in the whole berries, seeds, and seedless parts were 2.0, 1.8, and 0.2% (on a fresh weight basis), respectively. Linoleic acid was the dominating fatty acid followed by oleic acid as the second major fatty acid. Palmitic and stearic acids were the major saturates. In pulp/peel oil, the fatty acid profile was characterized by higher amounts of saturates, monoenes, and trienes than in whole berry and seed oils. Neutral lipids comprised >95% of total lipids in whole berry oil and seed oil, while neutral lipids separated in lower level in pulp/peel oil. Triacylglycerols were the predominant neutral lipid subclass and constituted ca. 81.6, 86.6, and 65.1% of total neutral lipids in whole berry, seed, and pulp/peel oils, respectively. Nine triacylglycerol molecular species were detected, wherein three species, C54:3, C52:2, and C54:6, were presented to the extent of approximately 91% or above. The highest level of phytosterols was estimated in pulp/peel oil that contained the highest level of unsaponifiables. In both whole berry and seed oils, campesterol and beta-sitosterol were the sterol markers, whereas Delta5-avenasterol and campesterol were the main 4-desmethylsterols in pulp/peel oil. The tocopherols level was much higher in pulp/peel oil than in whole berry and seed oils. beta- and gamma-tocopherols were the major components in whole berry and seed oils, whereas gamma- and alpha-tocopherols were the main constituents in pulp/peel oil. beta-Carotene and vitamin K(1) were also measured in markedly high levels in pulp/peel oil followed by whole berry oil and seed oil, respectively. Information provided by the present work is of importance for further chemical investigation of goldenberry oil and industrial utilization of the berries as a raw material of oils and functional foods.

摘要

对灯笼果(酸浆属酸浆)的整颗果实、种子以及果肉/果皮的脂肪酸、脂质类别、三酰甘油、植物甾醇、脂溶性维生素和β-胡萝卜素进行了比较。整颗果实、种子和无籽部分的总脂质含量分别为2.0%、1.8%和0.2%(以鲜重计)。亚油酸是主要脂肪酸,其次是油酸为第二大主要脂肪酸。棕榈酸和硬脂酸是主要的饱和脂肪酸。在果肉/果皮油中,其脂肪酸谱的特点是饱和脂肪酸、单烯酸和三烯酸的含量高于整颗果实油和种子油。中性脂质在整颗果实油和种子油中占总脂质的>95%,而在果肉/果皮油中的分离水平较低。三酰甘油是主要的中性脂质亚类,分别占整颗果实油、种子油和果肉/果皮油中总中性脂质的约81.6%、86.6%和65.1%。检测到9种三酰甘油分子种类,其中三种,即C54:3、C52:2和C54:6,含量约为91%或更高。在含有最高水平不皂化物的果肉/果皮油中,植物甾醇含量最高。在整颗果实油和种子油中,菜油甾醇和β-谷甾醇是甾醇标志物,而Δ5-燕麦甾醇和菜油甾醇是果肉/果皮油中的主要4-去甲基甾醇。果肉/果皮油中的生育酚水平远高于整颗果实油和种子油。β-生育酚和γ-生育酚是整颗果实油和种子油中的主要成分,而γ-生育酚和α-生育酚是果肉/果皮油中的主要成分。β-胡萝卜素和维生素K(1)在果肉/果皮油中的含量也显著高于整颗果实油和种子油。本研究提供的信息对于进一步对灯笼果油进行化学研究以及将果实作为油脂和功能性食品的原料进行工业利用具有重要意义。

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