• 화훼연구
• /
• 제19권4호
• /
• pp.197-201
• /
• 2011

본 연구는 고품질 절화백합 생산을 하기 위해 실제 유통 중인 7품종을 구주를 달리 하여 식재하고, 채화 후 구주와 품종이 절화품질에 어떠한 영향을 미치는지 알아보고자 수행하였다.절화품질을 측정한 결과, 화뢰장은 'Medusa', 품종, 절화장은 'Mother's Choice' 품종에서 가장 긴 것으로 확인되었다. 줄기휨각도는 'Mother's choice' 품종과 'Ismael' 품종을 제외한 모든 품종이 $30^{\circ}$ 이상으로 나타났다. 화경장, 화서장, 경경, 꽃 수, 중량 모두 구주가 클수록 좋은 결과를 보였다. 절화품질 중 화뢰장, 절화장, 꽃 수에 영향을 미치는 요인은 구주의 크기이며, 휨각도는 품종과 구주의 크기 모두 영향을 받지 않는 것으로 나타났다. 이와같이 절화품질은 품종보다는 구주에 영향을 받으며 크기가 커질수록 좋은 결과가 나타나는 것으로 확인되었다.

• 한국식품조리과학회지
• /
• 제32권4호
• /
• pp.466-475
• /
• 2016

Purpose: This study investigated the quality characteristics and antioxidant effects of Yakju added with rose, camellia, or cockscomb flower during fermentation. Methods: The quality characteristics and antioxidant effects were estimated including pH, amino acidity, total acid, ethanol content, color value, sensory test, electric donating ability, nitrite-scavenging ability, and ferrous ion chelating effect. Results: The pH values of Yakjus added with rose, camellia, or cockscomb flower were decreased after 2 days of fermentation and then increased after 4 days of fermentation, with final pH ranging from 4.15 to 4.27. Total acid content and amino acidity were increased during fermentation. The ethanol content in Yakjus fermented with rose, camellia, or cockscomb flower was rapidly increased after 2 days of fermentation, reaching the maximum content of 19.1% after 8 days of fermentation. In color evaluation, the L values of Yakjus added with rose, camellia, or cockscomb flower did not changes during fermentation, whereas values of a and b were increased. Total phenolic compound contents in Yakjus added with rose, camellia, or cockscomb flower were 0.67, 0.59, and 0.52 mg/mL, respectively. Total flavonoid contents in Yakjus added with rose, camellia, or cockscomb flower were 0.20, 0.09, and 0.26 mg/mL, respectively. In sensory test, the overall acceptability of Yakjus added with cockscomb flower was higher than that of Yakju added with rose or camellia flower. However, the difference was not statistically significant (p<0.05). Electron donating ability and nitrite-scavenging abilities were the highest in Yakjus added with rose flower, whereas ferrous ion chelating effect was the highest in Yakjus added with cockscomb flower. Conclusion: These results indicated that Yakjus added with rose, camellia, or cockscomb flower might have valuable functional properties due to their antioxidant effects.

• 인간식물환경학회지
• /
• 제23권2호
• /
• pp.171-178
• /
• 2020

The present study was conducted to determine the effects of electron beam irradiation on the postharvest quality of cut flowers. Cut flowers were irradiated with electron beam at 100, 200, 400, 600, 800, 1,000, and 2,000 Gy with a 10 MeV linear electron beam accelerator to evaluate their irradiation tolerance. Postharvest quality was determined by monitoring fresh weight loss, flower longevity, flower diameter, flowering rate, visual quality of flowers and leaves, and chlorophyll content. Cut flowers showed a radiation-induced damage with increasing the irradiation dose. Flower longevity and fresh weight of cut flowers decreased when the irradiation dose was increased. Flower bud opening was also inhibited in a dose-dependent manner. The effective irradiation doses for 10% reduction of postharvest quality (ED₁₀) values were 144.4, 451.6, and 841.2 Gy in the 'Medusa' lily, 'Montezuma' carnation, and 'Rosina White' eustoma, respectively. Although tolerance of cut flowers to electron beam irradiation vary according to species, cultivars, or maturity stage conditions, it is conceivable that 'Montezuma' carnation and 'Rosina White' eustoma could be tolerated and maintained overall postharvest quality up to 400 Gy, the generic irradiation dose approved by the Animal and Plant Health Inspection Service (APHIS) and the International Plant Protection Convention (IPPC) for postharvest phytosanitary treatments.

• 한국식품영양학회지
• /
• 제26권2호
• /
• pp.295-300
• /
• 2013

The objective of this study is to propose the motivation of the analysis on consumer's purchase behavior and willingness-to-pay for flower tea. Therefore, we survey the purchase behaviors on flower teas as compared with leaf teas such as green teas. We also analyze the willingness to purchase and pay for such teas. The reasons for consuming flower teas are 'flavor', 'beauty/diet', 'health', consecutively. Consumers prioritize 'safety', 'quality', 'price', and 'design' when purchasing flower teas. Nevertheless, it is also essential to consider 'flavor' as a quality factor. It is necessary to differentiate the process and marketing strategies for the development of flower teas.

• 인간식물환경학회지
• /
• 제22권6호
• /
• pp.583-591
• /
• 2019

This study was conducted to examine the effects of wet storage solution, transport period and temperature on vase life and quality of cut flowers in standard chrysanthemum 'Jinba'. Immediately after transport, the fresh weight and flower diameter of cut flowers did not show a difference according to wet storage solutions regardless of the transport period, but as the transport period increased, the fresh weight and flower diameter increased. The flower bud stage at harvest was maintained due to the small changes in flower diameter, and the freshness of leaves was better when transported at 5℃ than at 25℃. When transported at 25℃, the longer the transport period, the lower the quality of cut flowers as some petals opened up and showed early flowering after transport. In preservative solutions, quality of cut flowers transported at 25℃ was lower than that at 5℃ due to fresh weight and diameter according to the longer transport period. The vase life of cut flowers was 1.0 day, 0.8 day, and 7.3 days longer when transported for 3, 5, and 7 days respectively at 5℃ than at 25℃. The quality of cut flowers was better due to increase in fresh weight and flower diameter, as well as vase life in wet storage solutions of ClO₂ and Chrysal OVB than in tap water, regardless of transport period and temperature. There was no difference in fresh weight and vase life between ClO₂ and Chrysal OVB, but flower diameter was greater in ClO₂ than in Chrysal OVB. Therefore, for long-term transport of cut standard chrysanthemum 'Jinba', wet storage transport in ClO₂ at 5℃ was found effective in maintaining the quality and vase life of cut flowers.

• 한국식생활문화학회지
• /
• 제33권2호
• /
• pp.133-141
• /
• 2018

This study investigated the quality characteristics and antioxidant activities of Makgeolli (a traditional Korean rice wine) made with Etteum bell flower root (0.5, 1, 1.5, and 2% with steamed rice) during fermentation. The pH values of Makgeolli with Etteum bell flower root powder decreased after 3 days of fermentation and then increased after 5 days of fermentation. Sugar content decreased after 3 days of fermentation. Color evaluation showed the L values of these drinks decreased during fermentation, whereas a and b values both increased. The alcohol content of Makgeolli increased after fermentation, reaching a maximum concentration of 7.90-8.07% by the end of fermentation. Total phenolic compound contents and DPPH radical scavenging activities increased as the ratio of Etteum bell flower root increased. Sensory scores of Makgeolli fermented with 1.5% Etteum bell flower root ware greater than those of Makgeolli prepared by other treatments. Therefore, Makgeolli added with 1.5% Etteum bell flower root added considered to be the most suitable for manufacturing.

• 한국식품영양학회지
• /
• 제31권4호
• /
• pp.549-558
• /
• 2018

The aim of this study was to investigate the characteristics and antioxidant activities of vinegar made with Etteum bell flower root (0.5%, 1%, 1.5% and 2%) during two-step fermentation. Acetic acid was fermented at $30^{\circ}C$ for 16 days and samples of vinegar were extracted at 2, 4, 6, 8, 10, 12 and 16 days. The pH of Etteum bell flower root vinegar did not significantly differ among the samples, but the acidity increased during fermentation. Alcohol content decreased at 16 days of fermentation and less than 1% alcohol was shown in all samples after fermentation. The pure acetic acid yield was 88.85~98.97%, whereby the total phenolic compound content and 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activities increased as the ratio of the Etteum bell flower root increased. The sensory scores of vinegar fermented with 1.5% Etteum bell flower root are greater than those of vinegar prepared by other treatments. Therefore, vinegar with 1.5% Etteum bell flower root added is considered to be the most suitable for manufacturing.

• 한국연초학회지
• /
• 제22권1호
• /
• pp.71-75
• /
• 2000

The genetic makeup could be the most important among many factors affecting yield and quality of tobacco(Nicotiana tabacum L.). The mammoth gene found in N. tabacum is associated with greater leaf number and poor leaf quality. This study was carried out to obtain the basic information about the inheritance of mammoth gene and white flower color. Two flue-cured breeding lines, KF 9373-2 and KF 8832-85, F$_1$, F$_2$, two parents backcrossed with F$_1$, and F$_3$ lines derived from cross of above two lines were investigated for flowering type(mammoth gene) and flower color. All plants of F$_1$ population revealed normal flowering type and pink flower color. The progeny of F$_2$ generation was segregated into the phenotypic ratio of 9 : 3 : 3 : 1 with normal flowering type and pink flower color, normal and white, non flowering type(NF) and pink, and NF and white, respectively. Among the progenies of back-crossing populations, the flowering type showed a segregation ratio of 1 : 1 as normal and NF in BP$_1$ and flower color did also 1 : 1 as pink and white in BP$_2$. All lines have the mammoth gene in F$_3$. that were selected in F$_2$ progeny as non flowering. But 9 lines among 14 were segregated with 3 : 1 as pink and white flower in F$_3$. which were selected in F$_2$ as pink flower color. These results indicated that the characters of mammoth gene and white flower were controlled by a pair of recessive genes, respectively.

• 화훼연구
• /
• 제26권4호
• /
• pp.179-186
• /
• 2018

Ranunculus asiaticus characterizes colorful and attractive flower shapes that are related with the ornamental value of bulbous plants. Improving ornamental value of bulbous flowers has been the general goal of floricultural market. Gibberellic acid ($GA_3$) and benzyladenine (BA) play an important role in growth and developmental processes in floriculture. Combinational treatments of these two hormones have been used in floriculture to improve flower quality. We assessed the effects of combined $GA_3$ and BA, as well as the individual effects of each hormone, on growth characteristics using soil drench application to eight R. asiaticus cultivars, 'Giallo Millepetali', 'Bianco Millepetali', 'Arancio Millepetali', 'Rosa SC', 'Arancio Pratolino', 'Giallo Pratolino', 'Bianco Pratolino', and 'Rosa Ch Pratolino'. $GA_3$ treatments increased plant height and first flower size of R. asiaticus cultivars. Moreover, about 5 to 9 days to flowering were averagely shortened by $GA_3$ treatments compared to controls. On the other hand, the opposites, including first flower size and days to flowering, were observed for cultivars treated with BA, compared with controls. Treatments of $GA_3$ + BA generally affected growth traits, such as plant height, flower size, and the timing of flowering on some R. asiaticus cultivars. In particular, about 5 to 6 days to flowering were reduced on average by Treatments of $GA_3$ + BA. Our results showed positive growth effects, including plant height, days to flowering, first flower height, number of flowers from the application of individual and combined hormones to R. asiaticus cultivars and demonstrate a role for these hormones in future bulbous floriculture.

• 생물환경조절학회지
• /
• 제19권4호
• /
• pp.392-396
• /
• 2010

본 연구는 하이부쉬 블루베리(Vaccinium corymbosum) 'Jersey' 품종을 이용하여 적방 1/3, 적방 1/3 +적화 1/2, 적방 2/3 및 적방 2/3 + 적화 1/2처리 후 무처리 과실의 수확량과 과실 품질을 조사하여 적방 적화 정도에 따른 수량과 과실 크기, 가용성당함량, 산함량, 과실 경도를 분석하였다. 적방 적화 처리는 과립중, 종경 및 횡경에 유의한 과립 비대효과를 가져왔다. 과실 수확량은 무처리와 적방 1/3 처리구에서 가장 높았으며, 그 이외의 처리에서는 과립비대는 이루어졌으나 수확량의 감소가 발생하였다. 무처리와 적방 1/3 처리의 경우 전체 수확량은 비슷하였으나, 적방 1/3 처리구에서는 상품성이 큰 대립의 과실이 차지하는 비율이 무처리에 비해서 큰 것으로 조사되었다. 가용성당함량은 적방과 적화 처리에 따라 수량이 감소한 적방 2/3, 적방 2/3 + 적화 1/2 처리구에서 유의하게 증가하였으나, 산함량과 경도에는 영향을 미치지 않았다. 적방 적화에 따른 영향은 과립 비대와 수량에 유의한 차이를 주었으나 과실품질에는 크게 영향을 미치지 않는 것으로 조사되었다.