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고추 유전자원의 카로티노이드 조성 및 ASTA color 지수 분석
윤장언(Jang-Eon Yoon),김정봉(Jung-Bong Kim),김헌웅(Heon-Woong Kim),장길수(Kil-Soo Jang),고호철(Ho-Cheol Ko),장환희Hwan-Hee Jang,이성현Sung-hyen Lee,황유진(Yu-Jin Hwang) 한국육종학회 2015 한국육종학회지 Vol.47 No.3
Peppers (Capsicum annum L.) were harvested from 523 different genotypes cultivated at the Pepper Experiment Station in Gyeongsangbuk-do Agricultural Technology Administration of Yeongyang in the northeast region of Korea. The investigation of pepper with high carotenoids contents was quantitatively and qualitatively analysed by HPLC. The individual carotenoids were separated as capsanthin, lutein, zeaxanthin, β-cryptoxanthin, α-carotene and β-carotene by reverse-phase HPLC and identified with their external standards. The levels of total carotenoids and ASTA color values in 523 peppers were 0.5-84.8mg/100g of dry weight (DW) and 0.7-233.1, respectively. Individual carotenoid content and percentage of total carotenoid content were shown as follows: β-carotene (24.8%) (average 5.0 mg/100g DW) 〉 capsanthin (24.7%) (average 5.0 mg/100g DW) 〉 zeaxanthin (20.4%) (average 4.1 mg/100g DW) 〉 β-cryptoxanthin (14.8%) (average 3.0 mg/100g DW) 〉 lutein (13.3%) (average 2.7 mg/100g DW) 〉 α-carotene (2.0%) (average 0.4 mg/100g DW). As a result of plotting by using SIMCA, ASTA color values showed that the cluster is created.
난소절제 흰쥐에서 흑미 호분층 추출물의 체지방 감소 효과
이영민(Young Min Lee),남송이(Song Yee Nam),장환희(Hwan Hee Jang),김정봉(Jung Bong Kim),김행란(Haeng Ran Kim),이해정(Hae-Jeung Lee),이성준(Sung-Joon Lee),박계원(Kye Won Park),이성현(Sung Hyen Lee) 동아시아식생활학회 2015 동아시아식생활학회지 Vol.25 No.3
Estrogen deficiency is associated with increased body weight and fat mass, resulting in obesity-associated complications such as insulin resistance, cardiovascular disease, and type-2 diabetes. The present study was performed to investigate the effect of black rice (Oryza sativa L.) extracts (BRE) on body weight and fat mass in ovariectomized rats. Ovariectomized (or sham-operated) rats were randomly blocked into three groups (n=8∼10 per group): sham operated group (S), ovariectomized control group (OVX), and ovariectomized group with BRE 30 mg/kg B.W. (BRE). High fat diet (fat calories 45%) was fed to all experimental rats for 12 weeks. Final body weight, weight gain, and body fat weight showed significant increases in the OVX group, whereas they were reduced by BRE supplementation. Serum TAG, T-chol level, and adipocyte size were not significantly different among the three groups. However, ovariectomy-induced hepatic steatosis was improved in BRE-treated group. Moreover, in the BRE group, serum leptin levels was significantly lower and fecal total lipid concentrations was significantly higher compared to the OVX group. The gathered data suggest that BRE is a potentially useful ingredient to protect against estrogen deficiency-related obesity and its related diseases.