Volatile Profiles in Cold-Pressed Peel Oil from Korean and Japanese Shiranui (Citrus unshiuMarcov. ×C. sinensisOsbeck ×C. reticulataBlanco)

Song, Hee Sun; Phi, Nguyen Thi Lan; Park, Yeon-Hee; Sawamura, Masayoshi

doi:10.1271/bbb.70.737

Cited by 19 publications

(14 citation statements)

References 5 publications

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“…For this reason, many studies have explored the chemical composition and antimicrobial activities of citrus species such as C. bergamia, C. reticulata, C. tamurana, and C. hallabong. [2][3][4][5][6] Jeju Island is located about 100 kilometers south of the Korean mainland; the mean annual temperature is about 15 C. Citrus cultivation in Korea is limited to Jeju Island and the southern coast of the country. Furthermore, citrus is the most cultivated fruit on Jeju Island.…”

mentioning

confidence: 99%

Biological Activities of KoreanCitrus obovoidesandCitrus natsudaidaiEssential Oils against Acne-Inducing Bacteria

Kim

Baik

et al. 2008

Bioscience, Biotechnology, and Biochemistry

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mentioning

confidence: 99%

Biological Activities of KoreanCitrus obovoidesandCitrus natsudaidaiEssential Oils against Acne-Inducing Bacteria

Kim

Baik

et al. 2008

Bioscience, Biotechnology, and Biochemistry

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“…Citrus peel contains a number of volatile oils [14]. These volatile oils can be easily dissolved in organic solvents [11].…”

Section: Peel and Flesh Extractionmentioning

confidence: 99%

Monitoring of Fluorescence Characteristics of Satsuma Mandarin (Citrus unshiu Marc.) during the Maturation Period

et al. 2017

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Abstract:Monitoring the maturation process of Satsuma mandarin (Citrus unshiu Marc.) by determining the soluble solids (SS) and acid content non-destructively is needed. Fluorescence components potentially offer such means of accessing fruit maturity characteristics in the orchard. The aim of this study was to determine the potential of fluorescence spectroscopy for monitoring the stage of citrus maturity. Four major fluorescent components in peel and/or flesh were found including chlorophyll-a (excitation (Ex) 410 nm, emission (Em) 675 nm) and chlorophyll-b (Ex 460 nm, Em 650 nm),polymethoxyflavones (PMFs) (Ex 260 nm and 370 nm, Em 540 nm), coumarin (Ex 330 nm, Em 400 nm), and a tryptophan-like compound (Ex 260 nm, Em 330 nm). Our results indicated a significant (R 2 = 0.9554) logarithmic ratio between tryptophan-like compoundsExEm and chlorophyll-aExEm with the SS:acid ratio. Also, the log of the ratio of PMFs from the peel (ExExEm was significantly correlated with the SS:acid ratio (R 2 = 0.8207). While the latter correlation was not as strong as the former, it does demonstrate the opportunity to develop a non-destructive field measurement of fluorescent peel compounds as an indirect index of fruit maturity.

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“…The quantity ratios of the two internal standards and oil sample were 1:1:150, respectively. The weight percentage of each compound in the oil sample was calculated with response factors to the flame ionization detector (5,7). The quantitative measurements were made in triplicate.…”

Section: Identification Of Componentsmentioning

confidence: 99%

“…The popularity of Kiyomi is also evident in the recent changes in Korean consumer preferences. Kiyomi together with Shiranui (Hallabong) and Setoka is regarded by consumers as a commercial citrus crop and has begun to replace Satsuma mandarin in Korea (2)(3)(4)(5). Moreover the popularity of Kiyomi is so strong that it is commonly referred to as 'Kiyomi orange' in Japan (4).…”

Section: Introductionmentioning

confidence: 99%

The Volatile Composition of Kiyomi Peel Oil (Citrus unshiu Marcov×C. sinensis Osbeck) Cultivated in Korea

Song¹

2008

JFN

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The volatile composition of Kiyomi peel oil cultivated in Korea was studied by using gas chromatography and gas chromatography-mass spectrometry. The peel oil from the Kiyomi fruit was prepared by using a cold-pressing extraction method. Among the 65 components quantified in Kiyomi oil, 25 terpene hydrocarbons and 40 oxygenated compounds were identified, with peak weight percentages measuring 94.5% and 4.9%, respectively. Limonene was the predominant compound (87.5%), followed by myrcene (2.4%), sabinene (0.9%), α-pinene (0.8%), β-sinensal (0.8%), (Z)-β-farnesene (0.7%), neryl acetate (0.6%), valencene (0.5%), α-farnesene (0.5%), and α-sinensal (0.5%). A unique characteristic of the volatile profile of the Kiyomi oil was the proportion of aldehydes (2.7%), which resulted from the relative abundance of α-and β-sinensal. Another unique characteristic of the Korean Kiyomi oil was its relative abundance of β-sinensal, (Z)-β-farnesene, neryl acetate, valencene, α-sinensal and nootkatone. Valencene and α-and β-sinensal were regarded as the influential components of Korean Kiyomi peel oil.

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Volatile Profiles in Cold-Pressed Peel Oil from Korean and Japanese Shiranui (Citrus unshiuMarcov. ×C. sinensisOsbeck ×C. reticulataBlanco)

Cited by 19 publications

References 5 publications

Biological Activities of KoreanCitrus obovoidesandCitrus natsudaidaiEssential Oils against Acne-Inducing Bacteria

Biological Activities of KoreanCitrus obovoidesandCitrus natsudaidaiEssential Oils against Acne-Inducing Bacteria

Monitoring of Fluorescence Characteristics of Satsuma Mandarin (Citrus unshiu Marc.) during the Maturation Period

The Volatile Composition of Kiyomi Peel Oil (Citrus unshiu Marcov×C. sinensis Osbeck) Cultivated in Korea

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