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1.
以小白杏干为原料,酵母菌和乳酸菌混合发酵制作格瓦斯饮料,在单因素试验的基础上,通过正交试验确定小白杏干格瓦斯饮料的最佳发酵工艺。结果表明,小白杏干格瓦斯饮料发酵的最佳条件为:小白杏干汁可溶性固形物含量9%,接种量4%(V/V),其中酵母菌与乳酸菌比例为3∶1,发酵温度28℃,发酵时间18 h。在该条件下制得的小白杏干格瓦斯饮料酒精含量为0.49%(V/V),可溶性固形物含量8%~9%,总酸含量6.0~7.0 g/L,外观呈深黄色,澄清、透明,具有明显的杏干香气和风味,口感醇厚,酸甜适中。 相似文献
2.
利用产乳酸芽孢杆菌DU-106转化砂仁总黄酮,制备高黄酮含量的砂仁发酵饮料。在单因素试验的基础上进行正交优化试验,结果表明,产乳酸芽孢杆菌DU-106发酵砂仁饮料的最佳工艺条件为接种量4.2%,发酵时间4 d,发酵温度29℃,在此条件下得到的砂仁发酵饮料的总黄酮含量高达0.725 mg/g,pH值4.23,可溶性固形物含量5.74%,感官评分16.9分。制作的饮料澄清透明,棕黄色带光泽,砂仁味浓郁纯正、香气宜人、酸甜适中、口感圆润。 相似文献
3.
为提升芦笋的利用价值,以芦笋作为液体培养基,灵芝作为菌种,研究芦笋-灵芝发酵型饮料制备工艺,采用单因素试验和响应面法确定最佳稳定剂配比和调味剂含量。采用水提醇沉法提取发酵型饮料中的多糖,并用苯酚-硫酸法测定其总多糖含量。结果显示:当添加0.05%黄原胶、0.15%羟甲基纤维素钠(CMC-Na)、0.4%的β-环状糊精时,沉淀率最低(0.098%),发酵液稳定性最好。单因素和响应面试验确定调味剂最佳配比为:蜂蜜2.09%,蔗糖4.15%,柠檬酸0.10%,此时饮料多糖含量为3.262 mg/mL。该工艺条件下制备的饮料口感、风味及色泽最佳。 相似文献
4.
《农产品加工．学刊》2020,(7)
通过研究大枣醋酿制的最佳工艺参数,使大枣醋获得最优风味的组合,进而根据口感需要研发符合市场需求的大枣保健醋。选用新疆大枣,采用液态发酵技术,利用单因素试验与正交试验确定最佳发酵条件。结果表明,酒精发酵温度为31℃,枣汁含糖量为24%,酵母接种量0.3%,发酵时间为8 d,酒精含量为9.0%;醋酸发酵温度为39℃,酒精含量为7%,醋酸菌接种量4%,发酵时间为9 d,总酸为37.2 g/L。风味独特的新型保健醋混合饮料,不仅丰富了枣醋市场,也为相关加工企业提供了重要的生产参数。 相似文献
5.
采用米曲霉浓醪发酵玉米蛋白粉制备具有抗氧化活性的蛋白水解物。通过单因素试验和正交试验确定最适发酵条件,结果表明在试验范围内的适宜工艺条件为培养温度30℃,培养基初始pH值6.5,接种量4.0%,发酵时间44 h。在该条件下,浓醪发酵物可溶性蛋白含量为29.56±0.24 mg/mL,抗氧化活性为40.57±1.65 U/mL。 相似文献
6.
7.
《农产品加工．学刊》2017,(21)
以香蕉和面包干为原料,保加利亚乳杆菌和艾尔酿酒酵母为发酵菌株混合发酵酿制香蕉格瓦斯饮料,对发酵温度、发酵时间、面包干与水的配比等因素进行单因素试验,并采用正交试验优化加工工艺。结果表明,最佳发酵温度22℃,发酵时间24 h,面包干与水的配比1:7,接种量1.5 g/L,在此条件下酿制的香蕉格瓦斯饮料,呈淡黄色,外观澄清透明,具有明显的面包和香蕉风味,酸甜适中,测定可溶性固形物含量为3.7%~4.5%。 相似文献
8.
海带发酵饮料加工工艺的研究 总被引：1，自引：0，他引：1
以海带为主要原料,经乳酸发酵,再经调配、杀菌、灌装等工艺得到海带发酵饮料。试验表明,海带发酵的最佳条件为:乳酸菌接种量为6%,发酵温度为39℃,发酵时间为12h;海带发酵饮料的最佳配方为:海带发酵原汁50%、柠檬酸0.08%、白砂糖2%。 相似文献
9.
《农产品加工．学刊》2017,(21)
为掌握雪花梨废弃物发酵工艺条件,在单因素试验的基础上,运用正交试验设计方法对雪花梨废弃物带渣发酵工艺进行了研究和优化。结果表明,雪花梨废弃物最佳发酵工艺条件为(NH_4)_2SO_4添加量1.5 g/L,发酵温度28℃,初始pH值5.5,接种量为8%,酒精度达6.3%(V/V)。 相似文献
10.
为增加腐乳的营养价值,开发新型风味腐乳,以醪糟代替食用酒精,对醪糟腐乳制备工艺及产品主要理化性质进行研究。结果表明,醪糟制备工艺条件为酒曲添加量0.4%,酵母添加量0.05%,发酵温度28℃,发酵58 h后,醪糟酒精度达到12%(V/V)。将发酵后的醪糟加入到盐坯中进行醪糟腐乳后酵。经测定,3周后腐乳水分含量39.06%,氨基酸态氮含量0.56 g/100 g,总酸含量0.52 g/100 g,食盐含量8.14 g/100 g,均符合SB/T 10170—2007腐乳要求。 相似文献
11.
Jens Jensen 《Euphytica》1979,28(1):47-56
Summary The high-lysine gene in Risø mutant 1508 conditions an increased lysine content in the endosperm via a changed protein composition, a decreased seed size, and several other characters of the seed. The designation lys3a, lys3b, and lys3c, is proposed for the allelic high-lysine genes in three Risø mutants, nos 1508, 18, and 19. Linkage studies with translocations locate the lys3 locus in the centromere region of chromosome 7. A linkage study involving the loci lys3 and ddt (resistance to DDT) together with the marker loci fs (fragile stem), s (short rachilla hairs), and r (smooth awn) show that the order of the five loci on chromosome 7 from the long to the short chromosome arm is r, s, fs, lys3, ddt. The distance from locus r to locus ddt is about 100 centimorgans. 相似文献
12.
G. H. Kroon 《Euphytica》1994,76(1-2):125-125
Summary
K x vadensis is a hybrid of K. blossfeldiana and K. marmorata obtained after doubling the number of chromosomes. 相似文献
13.
Hongyan WEI Jian ZHOU Jinguang LU Jingzheng SONG Qiongxi YU Zhihong JIANG 《Medicinal Plant》2019,(6):27-29
[Objectives]This study aimed to establish a QAMS(quantitative analysis of multi-components by single-marker)method for simultaneous determination of four phenol... 相似文献
14.
Summary Avoidance of rust fungi that was based on poor appressorium induction was previously found in Hordeum chilense. In the present study 95 accessions of Triticeae were screened for avoidance of Puccinia hordei. The percentage of appressorium formation per germinated spore ranged from 6 to 90%. On none of the 41 accessions of Aegilops, Agropyron, Elymus, Secale, Thinopyrum or Triticum studied was the rate of appressorium formation lower than 25%. Lower rates of appressorium formation were, however, found on accessions of wild barley species Hordeum brachyantherum, H. marinum, H. parodii and H. secalinum. Its implications in cereal breeding are discussed. 相似文献
15.
Mohammed Riyazaddin Polavarapu B. Kavi Kishor Are Ashok Kumar Belum V. S. Reddy Rajendra S. Munghate Hari C. Sharma 《Plant Breeding》2015,134(4):423-436
Sorghum shoot fly, Atherigona soccata, is one of the important pests of postrainy season sorghums. Of the 90 sorghum genotypes evaluated for resistance to this pest, RHRB 12, ICSV 713, 25026, 93046 and 25027, IS 33844‐5, Giddi Maldandi and RVRT 3 exhibited resistance in postrainy season, while ICSB 463, Phule Anuradha, RHRB 19, Parbhani Moti, ICSV 705, PS 35805, IS 5480, 5622, 17726, 18368 and 34722, RVRT 1, ICSR 93031 and Dagidi Solapur showed resistance in rainy season, suggesting season‐specific expression of resistance to A. soccata. ICSB 461, ICSB 463, Phule Yasodha, M 35‐1, ICSV 700, 711, 25010, 25019 and 93089, IS 18662, Phule Vasudha, IS 18551 and 33844‐5 and Barsizoot had fewer deadhearts than plants with eggs across seasons, suggesting antibiosis as one of the resistance mechanism. Five genotypes exhibited resistance with high grain yield across seasons. Correlation, path and stepwise regression analyses indicated that leaf glossiness, seedling vigour, trichome density, oviposition and leaf sheath pigmentation were associated with the expression of resistance/susceptibility to shoot fly, and these can be used as marker traits to select and develop shoot fly‐resistant sorghums. 相似文献
16.
Summary Apple and pear pollen was irradiated with doses of 0, 50, 100, 250 and 500 krad (gamma rays) and stored at 4°C and 0–10% r.h. From the in-vitro germination percentages an average LD 50 dose of about 220 krad was estimated. For both irradiated and untreated pollen a close and corresponding lineair relationship existed between germination percentage and pollen tube growth.Irradiated pollen was much more sensitive to dry storage conditions than untreated pollen, resulting in less germination and more bursting. Apparently, irradiation caused the pollen cell membrane to lose its flexibility faster than normal. Rehydration of dry-stored, irradiated pollen in water-saturated air restored germination percentages up to their initial levels. The importance of this procedure in germination trials is stressed. 相似文献
17.
Summary
Hordeum chilense is a wild barley extensively used in wide crosses in the Triticeae. It could be a valuable source of resistance to Fusarium culmorum and Septoria nodorum. Some H. chilense x Triticum spp. amphiploids, named tritordeums, were more resistant than the parental wheat line to these diseases, others were not. Average contents of ergosterol and deoxynivalenol (DON) suggested that resistance to colonization by Fusarium was the highest for Hordeum chilense, followed by tritordeum and wheat in decreasing order. In particular, the H. chilense genotypes H7 and H17 enhanced the wheat resistance to F. culmorum in its tritordeum offsprings. Resistance to S. nodorum in tritordeum was not associated with tall plant height. There is sufficient genetic variation for resistance to F. culmorum and S. nodorum among tritordeum to allow the breeding of lines combining short straw and resistance to both diseases. 相似文献
18.
J. T. Fletcher 《Euphytica》1992,63(1-2):33-49
Summary Cultivars of tomatoes, cucumbers, lettuce and peppers have been bred for resistance to one or more pathogens. Some tomato and cucumber cultivars have resistance to a wide range of diseases. Resistance has been transient in many cases and a succession of cultivars with new genes or new combinations of resistance genes has been necessary to maintain control. There has been a number of notable exceptions and these have included durable resistance to such pathogens asFulvia fulva and tomato mosaic virus. With lettuce the resistance situation is complicated by the occurrence of fungicide resistant pathotypes. There are no strains ofAgaricus bisporus purposely bred for disease resistance.In protected flower crops only resistance to Fusarium wilt in carnations has been purposely bred but differences in disease resistance are apparent in cultivars of many ornamental crops. This is particularly so in chrysanthemums where there are cultivars with resistance to many of the major pathogens. Similar situations occur with other flower crops and pot plants. Cultivars of some species have not been systematically investigated for resistance.The need for genetic resistance will increase with the further reduction, in the limits on pesticide use and an increasing public awareness and importance of pesticide pollution.ADAS is an executive agency of the Ministry of Agiculture, Fisheries and Food and the Welsh Office. 相似文献
19.
M. Raj Ahuja 《Euphytica》2009,165(1):5-19
The genetic constitution and diversity of four relictual redwoods are discussed in this review. These include monotypic genera
of the family Cupressaceae: coast redwood (Sequoia sempervirens), giant sequoia (Sequoiadendron giganteum), dawn redwood (Metasequoia glyptostroboides), and alerce (Fitzroya cupressoides). All four species are narrow endemics, share a number of common phenotypic traits, including red wood, and are threatened
species. Fossil history suggests that the ancestors of redwoods probably originated during the Cretaceous and Tertiary periods
and flourished thereafter for millions of years. Towards the end of the Tertiary period began their decline and struggle for
existence that continued during the subsequent geologic upheavals and climate changes, until the survival of the present-day
redwoods in the current restricted locations in the world (USA, China, and South America). Although two species, Sequoiadendron and Metasequoia, are diploids (2n = 22), and the other two are polyploids: Fitzroya a tetraploid (2n = 4x = 44), and Sequoia a hexaploid (2n = 6x = 66); they all share the same basic chromosome number x = 11. The genome size in the hexaploid Sequoia is one of the largest (31,500 MB) in the conifers, while the genome sizes of diploid Metasequoia and Sequoiadendron are about one-third (~10,000 MB) of Sequoia. Genetic diversity in the redwoods is lower than most other gymnosperms, except in Sequoia, which seems to rank near the upper quarter of the coniferous forest trees. Genomic research is sparse in the redwoods, and
should be pursued for a better understanding of their genome structure, function, and adaptive genetic diversity. 相似文献
20.
The induction in vitro of adventitious shoots in Rosa 总被引：8，自引：0，他引：8
Summary Adventitious shoots were formed on excised leaves, roots and callus of Rosa persica x xanthina and on excised leaves of R. laevigata and R. wichuraiana on culture media that included BAP and NAA as growth regulators. Shoots formed freely on freshly cultured callus of R. persica x xanthina but their production declined in successive cultures and ceased after twelve weeks. Transplantation to soil was improved by rooting plantlets in cellulose plugs in vitro and transferring plantlets to soil while still in the plugs. 相似文献