• Korean Journal of Medicinal Crop Science
• /
• v.19 no.6
• /
• pp.478-483
• /
• 2011

The goal of this study was to investigate the nutritional characteristics and physiological functionality of Liriope tuber for development of new bioactive compound from Liriope tuber. Crude protein and carbohydrate contents of Chenogsim were 9.25% and 77.98%, respectively and crude protein, 9.86% and carbohydrate, 79.08% were also contained in Liriope tuber No.1. Both of Liriope tubers were showed very high contents of sucrose (Cheongsim; 4.08%, Liriope tuber No.1; 4.91%), oxalic acid (0.98%, 0.86%) and glutamic acid (3.736 g/100 g, 4,196 g/100 g). Among several physiological functionalities, tyrosinase inhibitory activity were showed very high 86.4% in Cheongsim and 82.02% in Liriope tuber No.1, respectively.

• The Korean Journal of Mycology
• /
• v.39 no.2
• /
• pp.122-125
• /
• 2011

The goal of this study was to provide shelf-life of Gugija-Liriope tuber raw makgeolli. After we prepared Gugija-Liriope tuber raw makgeolli by using Gugija, Liriope tuber, nuruk, cooked rice and Saccharomyces cerevisiae C-2, changes of its quality and physiological functionality were investigated during the storage at $4^{\circ}C$ and $20^{\circ}C$. Ethanol contents was decreased from 8.3% to 7.2% for storage of 9 days at $4^{\circ}C$ and 6 days storage at $20^{\circ}C$, respectively. Antihypertensive angiotensin I-converting enzyme inhibitory activity of Gugija-Liriope tuber makgeolli was increased from 63.1% to 66.0% after storage for 9 days at $4^{\circ}C$. Total acceptability of 9 days storage makgeolli at $4^{\circ}C$ was still good. In conclusion, shelf-life of Gugija-Liriope tuber raw makgeolli was 9 days at $4^{\circ}C$ in this respect of ethanol contents, antihypertensive action and total acceptability.

• KOREAN JOURNAL OF CROP SCIENCE
• /
• v.47 no.3
• /
• pp.236-239
• /
• 2002

Saponin is one of major conponents in oriental medicine, which':s present in Ophiopogoneae. Saponin composition on ethyl acetate fractions from the butanolic extracts of two species, Liriope platyphylla and Ophiopogon japonicus was measured using high performance liquid chromatography (HPLC). HPLC analysis revealed that spicatoside A and B were identified in the tuber of L. platyphylla. However, spicatoside A was not identified in the tuber of O. japonicus. Related to that, it may be possible to discriminate between Liriopis and Ophiopogonis Tuber using HPLC analysis.

• Food Science and Preservation
• /
• v.8 no.2
• /
• pp.157-163
• /
• 2001

Optimal conditions for hot water extraction of Liriope spicata tuber were investigated with changes in solvent ratio(2∼6 fold) and heating time(1∼5 hr) by response surface methodology. The content of extractable solids increased with an increased in solvent ratio, and the highest content showed at heating time of 3 hr. The content of total steroid saponin increased with a decrease in solvent ratio, and increased with an increase in heating time at increasing the solvent ratio. The content of non-reducing sugar containing oligosaccharides at a lower solvent ratio didn’t show changes depending on heating time, while that at a higher ration decreased with an increase in heating time. Optimal extraction conditions using hot water as the limited conditions of 15∼18% extractable solids, 1.5∼2.0% total steroid saponin, 6∼8% reducing sugar, 6∼7% non-reducing sugar and 13∼15 brix were 3 hrs of heating time and 4 fold of solvent ratio.

• The Korean Journal of Mycology
• /
• v.39 no.1
• /
• pp.78-84
• /
• 2011

To develop new functional traditional rice wines using Gugija and Liriope tuber as raw materials, screenings of optimal fungal nuruk and alcohol fermentative yeast for brewing of Gugija-L. tuber traditional rice wine were performed with investigation of optimal fermentation condition. Finally, we selected commercial SJ nuruk and Saccharomyces cerevisiae C-2 as optimal nuruk and yeast for Gugija-L. tuber traditional rice wine. Furthermore, a new antihypertensive and anti-gout Gugija-L. tuber traditional rice wine was produced when 3% of Jangmyong Gugija and L. tuber No.1 were added into cooked rice and then fermented at $25^{\circ}C$ for 5 days with SJ nuruk and S. cerevisiae C-2.

• Korean Journal of Pharmacognosy
• /
• v.22 no.2
• /
• pp.73-77
• /
• 1991

Further studies have been done on the constituents of the tubers of Liriope spicata $L_{OUR}$ (Liliaceae). Four steroidal glycosides, tentatively designated as compounds I. II, III and IV, were isolated from the n-BuOH soluble fraction of this plant. The structures of these glycosides were established as ${\beta}-sitosterol$ glucoside, prosapogenin II of spicatoside A, ophiopogonin B, and prosapogenin III of spicatoside A.

• Korean Journal of Pharmacognosy
• /
• v.52 no.3
• /
• pp.163-169
• /
• 2021

Using the Caenorhabditis elegans model system, the antioxidant activity of methanol extract of the guzeunggupoprocessed Liriope platyphylla F. T. Wang (Liliaceae) tuber was calculated. Between the methanol extracts of guzeunggupo-processed and non-processed L. platyphylla tuber, the processed L. platyphylla tuber showed higher DPPH radical scavenging effect than the non-processed one. The ethyl acetate soluble fraction of the methanol extract of the guzeunggupo-processed L. platyphylla tuber showed the best DPPH radical scavenging activity. The ethyl acetate fraction of the processed sample was measured for the activities of superoxide dismutase (SOD), catalase, and oxidative stress tolerance by using C. elegans along with reactive oxygen species level. In addition, to verify the regulation of the stress response gene is responsible for the increased stress tolerance of C. elegans treated by the ethyl acetate fraction of the processed sample, SOD-3 expression was measured using a transgenic strain (CF1553). Consequently, the ethyl acetate fraction of the processed sample, increased SOD and catalase activities, and decreased ROS accumulation in a dose-dependent manner. Furthermore, the ethyl acetate fraction of the processed sample-treated CF1553 worm showed higher SOD-3::GFP intensity than the control worm.

• Korean Journal of Medicinal Crop Science
• /
• v.8 no.1
• /
• pp.69-73
• /
• 2000

To investigate proper method of nitrogen application, six levels of nitrogen fertilizer and five different split applications were tested in Liriope platyphylla. Leaf length and content of total nitrogen in plant increased with the increase of nitrogen application level from zero to 360kg per ha. Number and weight of tuber increased with the increase of nitrogen level and tuber production reached to highest level of 4.44M/T per ha with the level of 220kg nitrogen. And then, tuber production decreased with the addition of extra nitrogen fertilizer to level of 360kg per ha. In the research of proper nitrogen split application, tuber yield (3.52M/T per ha) was increased by 18% at the combination of 40% basal application and three times of top dressing, than that of 100% basal application.

• Korean Journal of Medicinal Crop Science
• /
• v.26 no.4
• /
• pp.296-301
• /
• 2018

Background: The objective of this study was to investigate the effect of packaging material on the growth of rootstock of Liriope platyphylla. Methods and Results: This study examined the effects of two types of packaging material, LDPE (low density polyethylene) and functional film on the growth of the tubers of L. platyphylla, at $5^{\circ}C$. During the 16-weeks of storage period, the ratio of loss and decay of the tubers was examined at intervals of 4, 8, and 16 weeks to detect the quality of the plant. After 16 weeks of storage, the treated tubers were own. Subsequently, plant height and the number of leaves were recorded. The results revealed that functional film at $5^{\circ}C$ was the ideal material for the storage of L. platyphylla tubers. The rate of loss was the highest (57.42%) with a onion net and the lowest (22.12%) with a functional film. Similarly, the rate of tuber decay was highest (8.20%) using onion net and the least (4.60%) when the functional film was used. Conclusions: Thus, the use of the functional film proved to be the most effective in the storage of L. platyphylla tubers when compared with the LDPE.

• Journal of the East Asian Society of Dietary Life
• /
• v.23 no.5
• /
• pp.645-653
• /
• 2013

The results of examining total soluble solid, reducing sugar, antioxidant and sensory properties regarding LTD (Liriope Tuber Dried), LTSD (Liriope Tuber Steamed and Dried), LTASD (Liriope Tuber Alcohol-Steamed and Dried), LTDR (LTD Roasted), LTSDR (LTSD Roasted) and LTASDR (LTASD Roasted) are as follows : Total soluble solid content of the roasted samples (LTDR, LTSDR and LTASDR) was more than those of all dried samples (LTD, LTSD and LTASD). According to roasting conditions, total sugar and reducing sugar are significantly greater than the raw and dried sample (LTD) in all heat-treated samples. The browning index was significantly higher in all roasted samples. In particular, LTASDR had a high browning index. Further, the antioxidative activity of the roasted LT samples were higher than that of all dried LT samples. In particular, the LTASDR sample showed significantly high figures in DPPH scavenging activity, ABTS scavenging activity, Nitrite scavenging activity and xanthine oxidase inhibitory activity. Sensory properties showed an increased acceptance in all evaluation items among roasted samples. In this study, hot water extracts of steamed or alcohol-steamed roasted LT samples had a higher antioxidative effect than that of LTD or LTDR and attained positive results by getting high scores in the overall sensory evaluation. Therefore, when using Liriope tuber in making beverages or herbal recipes, it is appropriate to dry and roast before steaming or spreading with alcohol when treating LT.