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刺梨(Rosa roxburghii)系蔷薇科落叶灌木植物,别名缫丝花、刺蘑、山刺梨、赛哇(西藏)、刺石榴、野石榴(陕西)、刺梨子、木梨子、刺梨蔷薇、茨梨、送春归、文光果.果肉中维生素C含量是苹果的500倍、柑橘的100倍、猕猴桃的9倍;维生素P含量极高,是柑橘的120倍、蔬菜的150倍.它还富含维生素B1、B2、E、K1等及16种微量元素,其营养功能比酸枣高46倍,叶总黄酮含量比银杏高2.4倍.近年来,日本、美国尤其重视这一颇有开发价值的野生果树.野生刺梨的开发前景十分广阔,种质资源应该受到保护和重视. 相似文献
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甘薯安全贮藏的关键技术 总被引:1,自引:0,他引:1
甘薯(又名地瓜、红薯等)是我国主要粮食作物,更是一种药食兼用的保健食品.据分析,每100g甘薯鲜样本,可食部分约含水分67.1 g,蛋白质1.8g,脂肪0.2g,碳水化合物29.58g,钙18.0mg,磷20.0mg,铁0.4mg,此外还含有胡萝卜素、维生素B1、维生素B2,维生素C等,其中所含的维生素C是苹果、葡萄、梨的10~30倍,因而享有"营养保健食品"之美誉.其含热量高,富含维生素、矿物质、纤维素,最近,世界卫生组织经3年研究评出的13种最佳蔬菜,红薯排行第一. 相似文献
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晋枣,别名吊枣、长枣,属于鼠李科枣属植物.枣果营养丰富全面,富含维生素,其中以维生素C和维生素P(芦丁)含量最为突出,每100 g鲜枣中含有维生素C 350~600 mg,是柑橘的12~20倍,苹果的76~120倍;最特别的是枣果中含的芦丁有保持毛细血管畅通,防治血管壁脆性增加的功能,可治疗高血压和降低胃肠道恶性肿瘤的发生率. 相似文献
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南方特产果树刺梨的栽培 总被引:3,自引:0,他引:3
田如英 《柑桔与亚热带果树信息》2004,20(12):36-37
刺梨,又名缫丝花、木梨子,属于蔷薇科,蔷薇属,落叶丛生小灌木。刺梨原产中国,分布于长江以南各省,其中以贵州最多且分布广,尤其在贵州省铜仁地区铜仁市、江口县、石阡县、松桃县、印江县等发现了不少优良品种。刺梨果实富含糖、维生素、胡萝卜素、有机酸及20多种氨基酸等,尤其是每百克果肉维生素C含量达2087.8mg,为猕猴桃的10倍, 相似文献
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油梨(Persea AmericanaMill)又称鳄梨,英文名avocado,原产中美洲及墨西哥湿润地,属于热带、亚热带名贵果树。油梨果肉含脂肪8%~30%,是其它主要果蔬的97~187倍,其中油酸占65·3%,亚油酸占15·9%,棕榈酸占12·4%;蛋白质1%~3%,是其它主要果蔬的2~4倍;碳水化合物含量2%~9%;果肉含钾>20mg/100g、铁0·7mg/100g、磷55mg/100g、钙9mg/100g;还富含各种维生素(A、C、E、K及B族等),尤其维生素B2是其它水果的10倍;油梨还富含膳食纤维;多种氨基酸含量均约为鸡蛋的1/15。研究发现,油梨可醒脑益智,还可美发、美肤和防衰老,帮助病后恢复,是高能低糖易消… 相似文献
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冬枣是我国的稀有珍果,枣果较大,近球形,单果重15 g~20 g(克),果皮光亮,皮薄质脆,果肉较厚细嫩多汁,甘甜清香,嚼之无渣,营养丰富,品质极佳。富含人体所需的19种氨基酸和多种维生素,维生素C最为丰富,是苹果含维生素C的70倍,梨的100倍,可称为“活维生素丸”。冬枣可医治食欲减退, 相似文献
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The effects of combinations of salinity (no salt, 2000 p.p.m. or 4000 p.p.m. of CaCl2 and NaCl, 1:1) and water table (30 cm, 60 cm or 90 cm from the soil surface), on the vegetative growth and tolerance of ‘Golden Japanese’ plum and ‘Mit Ghamre’ and ‘Balady’ peaches were studied. The plants were grown in lysimeters. The growth of the trunk, total shoot length, the increase in shoot length per cm and the fresh weight of top, root and total plant were reduced with increasing salinity of the irrigation water. The effect was accentuated when the plants were maintained at high water table level. The salinity treatments resulted in the death of 43%, 73% and 76% of the plants in the plum, and the ‘Mit Ghamre’ and ‘Balady’ peaches, respectively, indicating that the plum is more tolerant to salinity than the peach. The plants of the salinity treatments showed various symptoms of salt injury, such as leaf burn, defoliation, shoot die-back and finally death. In the peaches, salt injury started to occur in the first growing-season, whereas the salt injury appeared in the plum in the second growing-season. The symptoms were more pronounced in the 4000 p.p.m. treatment than in the 2000 p.p.m. treatment and were more pronounced at the high water table level. The salinity level was the predominant factor and the effect of the water table on the vegetative growth diminished with increase in the salinity level of the irrigation water. 相似文献
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AIM:To establish a fast, accurate and economical technique for culturing mouse pulmonary arteriolar smooth muscle cells (PASMCs), and to explore the effects of hypoxia on the proliferation and apoptosis of the PASMCs. METHODS:In sterile condition, the pulmonary artery was isolated from the male BALB/c mice by digesting with collagenase I, and the cells were cultured in fetal bovine serum-coated flask. Centrifugal procedure was not used during the cell passage. The cell morphology was observed under an inverted phase-contrast microscope. α-Smooth muscle actin was identified by immunocytochemistry and immunofluorescence. The effects of hypoxia on the proliferation and apoptosis of the PASMCs were detected by CCK-8 assay and TUNEL assay. RESULTS:PASMCs were identified by the methods of immunocytochemistry, immunofluorescence staining and observation of morphology. Unlike the rat PASMCs with typical subcultured peak-vally pattern, the mouse PASMCs showed a lot different without a peak-vally pattern. The cells could be subcultured after 5 d to 7 d and there was 3 to 5 generations depending on the activity of the cells. CCK-8 assay demonstrated that the A values of PASMCs exposed to hypoxia increased after 24 h (P<0.05) as compared with normoxia. TUNEL result showed that the apoptotic index of the PASMCs in hypoxia decreased after 24 h (P<0.05). CONCLUSION:This technique for obtaining cultured mouse PASMCs is simple, fast, accurate and economical. The digestion time is easy to control. Hypoxia promotes the proliferation and inhibits the apoptosis of PASMCs. 相似文献
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小檗碱和壳聚糖抗蔬菜病原真菌活性测定及复合膜制备 总被引:2,自引:0,他引:2
研究了小檗碱和壳聚糖对几种常见蔬菜病原真菌的抑制活性,以及以小檗碱和壳聚糖为主料制备复合膜的方法,并测定了该膜的药物释放效果。试验表明:低浓度(0.234 mg/mL)小檗碱即可抑制辣椒炭疽病菌(Vermicularia capsici)等5种蔬菜病原真菌的生长。20 mg/mL浓度壳聚糖对番茄灰霉病菌(Botrytis cinerea)的抑制率高达65%,而对其余4种果蔬病原真菌也有一定的抑制作用。为了集成这2种天然化合物的优点,制备了小檗碱-壳聚糖复合膜,该膜具有缓释功能,在模拟外部环境(磷酸缓冲液,pH 6.8)条件下,20 d小檗碱累计释放率接近25%,提示其在果蔬贮藏抗菌中的应用价值。 相似文献
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钾肥在小白菜和萝卜上的施用效果 总被引:6,自引:0,他引:6
采用盆栽试验方法研究了施用钾肥对小白菜、萝卜生长发育、产量、品质及钾素含量的影响。结果表明 ,施用钾肥对小白菜和水萝卜的株高、叶片数无显著的影响 ,但可提高水萝卜块根的产量 ,提高幅度为 31.0 4 %~ 97.93%。施用钾肥可提高小白菜和萝卜的蛋白质和VC含量 ,降低硝酸盐含量 ,增加植株的钾素含量 相似文献
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Fresh onion seeds desiccated to 6.0% seed moisture content (SMC) were stored in various packaging materials under different storage conditions. Seeds packed in aluminum-laminated pouches beside those stored with silica gel at 25 °C maintained satisfactory germinability and vigour after 12 months. Desiccated seeds stored in moisture impervious containers produced more vigourous seedlings. Germination potential of onion seeds increased with reduced SMC besides storage in moisture impervious packets along with desiccants as physiological and biochemical attributes are regulated. Seed viability and vigour decreased with accelerated ageing due to increased lipid peroxidation, decreased activities of several free radical and peroxide scavenging enzymes. Electrical conductance of seed leachates also increased with ageing. Thus, adoption of appropriate storage temperature and moisture control techniques would significantly affect onion seed quality, which was due to minimum accumulation of free peroxide radicals and enhanced activity of free radical scavenging enzymes. 相似文献
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