• Title/Summary/Keyword: pine needles

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Optimization of Mixing Ratio to Improve Antioxidant Activity of Aged Garlic with Pine Needle Using Response Surface Methodology

  • Park, Jae-Hee;Shin, Eunji;Park, Eunju
    • Preventive Nutrition and Food Science
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    • v.22 no.3
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    • pp.241-245
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    • 2017
  • Aged garlic has been reported to possess beneficial pharmacological activities, including anti-stress and anti-fatigue properties, and to exert protective effects on the cardiovascular system and liver. Pine needles are widely used in folk medicine and as food additives owing to their pharmacological properties such as anti-aging and anti-inflammatory effects. It has long been known that combining certain phytochemicals with other phenols or organic acids can produce synergistic effects. Therefore, the purpose of this study was to develop an optimal formula of aged garlic with added pine needle powder for improved antioxidant activity using the statistical technique of response surface methodology. The antioxidant activities of aged garlic mixed with pine needle powder were confirmed by measuring oxygen radical absorbance capacity and total polyphenol content. An optimized antioxidant formula was identified that contained 5.08 g aged garlic and 1.97 g pine needle powder. The antioxidant activities of the mixture prepared using this optimal formula were significantly higher than the predicted values according to an additive model. Hence, this study confirms that the addition of pine needle powder to aged garlic can improve its antioxidant activity. This study demonstrated an optimal mixing ratio to produce an aged garlic product with improved functionality through the addition of pine needle powder that could be successfully employed by the food industry to prepare functional foods.

Antioxidative Activities of Pine Needles and Quality Characteristics of Korean Wheat Noodle with Pine Needle Powder (솔잎의 항산화활성 및 솔잎분말을 첨가한 우리밀국수의 품질특성)

  • Kim, Il-Hun;Ko, Yu-Jin;Choi, In-Duck;Kim, Young-Gi;Ryu, Chung-Ho;Shim, Ki-Hwan
    • Journal of agriculture & life science
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    • v.46 no.5
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    • pp.127-136
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    • 2012
  • This study examined antioxidative activities and quality characteristics of noodle produced with the pine needle powder as 0.5, 1.0 and 2.0% (v/v to korean wheat powder). DPPH radical scavenging activity, reducing power, antioxidative activities, tyrosinase inhibitory activity of the solvent fraction extracts increased in a dose-dependent manner. Especially, butanol fraction showed high DPPH radical scavenging activity, reducing power, antioxidative activities and tyrosinase inhibitory activity. The weight, volume, water absorption and turbidity of cooked noodles containing pine needle powder increased as pine needle powders were higher. When the amount of pine needle powder increased, the Hunter L (lightness) and a (redness) value of cooked noodles decreased, but b (yellowness) value increased. The texture of noodle containing pine needle powder have decreased than control using only Korean wheat powder in hardness, cohesiveness, springiness, gumminess and chewiness. The results of sensory evaluation of cooked noodles containing pine needle powder indicated that the cooked noodles with 1.0% pine needle powder showed the highest value.

Inhibitory Effect of Main Pine Needle Extracts on the Chemically Induced Mutagenicity (주요 솔잎 추출물의 돌연변이 억제효과)

  • Kim, Eun-Jeong;Jung, Sung-Won;Choi, Keun-Pyo;Ham, Seung-Shi;Kang, Ha-Young
    • Korean Journal of Food Science and Technology
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    • v.30 no.2
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    • pp.450-455
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    • 1998
  • Pine has been known as a traditional medicinal plant and as showing a physically beneficial function to a human being. Therefore, this study was performed to investigate the physiological activities of main pine neddles. Ethanol extracts from pinus needles did net exhibit any mutagenicity. On the contrary, inhibitory effects of ethanol extract were observed on mutagenicity induced by N-methyl-N'-nitro-N-nitrosoguanidine(MNNG), 4-nitroquinoline-1-oxide (4NQO), 3-amino-1,4-dimethyl-5H-pyrido-(4,3-b)indol (Trp-P-1) and benzo(a)pyrene $(B({\alpha})P)$ using Salmonella typhimurium reversion assay. On direct-acting mutagen (MNNG, 4NQO) and indirect-acting mutagen (Trp-P-1, $(B({\alpha})P)$, we observed higher inhibitory effect. Stepwise fractionation of the ethanol extract was done by using ether, chloroform, ethyl acetate, butanol and water to obtain effective fraction. Among them, water fractions $(100\;{\mu}g/plate)$ of Pinus thunbergii, Pinus rigida, Pinus densiflora and Pinus koraiensis showed high inhibition of 91.65%, 94.7%, 84.22% and 79.02%, respectively, on the mutagenicity of MNNG in Salmonella typhimurium TA100.

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Studies on the Effects of Water Extract from Mixture of Pine Needles, Sedum sarmentosum Bunge, Hijkiaorme, Buckwheat and Perlla Leaves on the Immune Function Activation (솔잎, 돌나물, 톳, 메밀, 깻잎 등 5가지 혼합 열수 추출물의 면역 활성 효과)

  • Ryu, Hye-Sook;Kim, Hyun-Sook
    • The Korean Journal of Food And Nutrition
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    • v.21 no.3
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    • pp.269-274
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    • 2008
  • Plants have long been used as a food source in Korea. In this study, we investigated the combined immunomodulative effects of a water extract mixture of(pine needles, Sedum sarmentosum Bunge, hijkiaorme, buckwheat and Peril a leaves) on Balb/c mice $7{\sim}8$ weeks old. The mice were fed a chow diet ad libitum and the plant extract was orally administered every other day for four weeks at two different concentrations(50 and 500 mg/kg BW). After preparing the single-cell suspension, splenocyte proliferation was determined by the MTT(3-[4,5-di-methylthiazol-2-y]-2,5-diphenyl terazolium bromide) assay. After 48hrs of incubation with the mitogens(ConA or LPS) splenocyte from the mice groups administered 50 and 500 mg/kg BW of the plant extract showed a significant increased in proliferation compared to the control group. A hemolytic plague forming cell assay was used to indicate antibody production against sheep red blood cells(SRBC). The number of antibody-secreting cells T-dependent antigen. The result of this study suggest that supplementation with this plant extract may regulate immune function by increasing splenocyte proliferation and the number of plaque forming cells.

Antioixdative Activity and Quality Characteristics of Rice Cupcakes Prepared with Pine Needle Powder and Extract (솔잎분말과 추출물을 첨가한 쌀 컵케이크의 항산화성과 품질 특성)

  • Kim, Won-Ji;Kim, Ji-Myoung;Huh, Young Ran;Shin, Malshick
    • Korean journal of food and cookery science
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    • v.28 no.5
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    • pp.613-622
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    • 2012
  • To develop the tailor made rice flour products for consumers with increasing functionality of pine needles, rice cupcakes were prepared with adding different contents of pine needle powder (PP) and extract (PE, by pressing pine needle). The physicochemical, textural, sensory properties, and antioxidative activities of rice cupcakes were investigated. The antioxidative activities of rice cupcakes with PP and PE were higher than those of the control and were significantly different with adding pine needle type (PP or PE). The specific volume of rice cupcakes increased with adding PP and PE, except for 10 g PP added cupcake. Textural properties were also significantly different with pine needle types and contents. On the sensory preference test data, the scores of the teens, the twenties, and the thirties were higher in PP added rice cupcakes (3 and 5 g added), but those in the forties, the fifties, and above the sixties were higher in PE added rice cupcakes (3 g added). From these above results, the PP addition improved the processing quality of rice cupcakes (under 10 g added), but reduced unique flavor of pine needle. It was suggested that rice products added with pine needle would be developed to consider consumer's age, type of pine needle and its content.

A Study on the Ecology of the Pine Gall-Midge (Thecodiplosis japonensis Uchida et Inouye)...(1) - The Percentage of Larval Falling to the Ground and The Degree of Gall-Forming - (솔잎혹파리의 생태조사(生態調査) (1) - 유충낙하율(幼虫落下率) 및 충영형성률(虫癭形成率) -)

  • Ko, Je-Ho
    • Journal of Korean Society of Forest Science
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    • v.5 no.1
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    • pp.22-26
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    • 1966
  • As a series of studies on the behaviour of Pine gallmidge (Theccdiplosis japonensis Uehida ei Inoaye), the season of the larval hibernation in winter as well as the season of the attack of adults on pine needles in the vicinity of Seoul were observed, and following results were obtained. 1. The larvae get out of the galls and fall into the ground for the hibernation commencing from the end of September and finishing by the end of January of the next year. 2. About 76% of the whole larvae fell down during the month of November. 3. The frequency and the duration of raining mainly influenced the larval falling into the ground but temperature, humidity and the quantity of rainfall was not likely influence upon it. 4. As many as 47,000 larvae were counted per 1.5 square meter of the ground under the crown of the damaged trees. 5. When pine needles were isolated by fine linen-net-bag to keep the needles from the oviposition of the adults of the insect, at six different season; -i.e. 30th, May, 6th, 10th, 15th, 25th, and 30th June, the percentages of the damage were 80%, 50%, 36%, 19%, 20% and 1% respectively, while the damage of the control was 91%.

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Chemical Control of the Pine Gall Midges (Thecodiplosis japonensis Uchida et Inouye) ( I ) -Low-volume Foliar Spray of the Insecticides- (솔잎혹파리의 약제방제에 관한 연구 -고농도미량엽면살포-)

  • Choi S.Y.;Song Y.H.;Lee H.R.
    • Korean journal of applied entomology
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    • v.18 no.2 s.39
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    • pp.111-116
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    • 1979
  • The experiments were carried out to evaluate the effectiveness of some insecticides in the control of the pine gall midges (Thecodiplosis japonensis Uchida et Inouye) when the low-volume of the insecticides were applied by the mist foliar sprayer. The insecticides, Salithion $(24\%\;Ec)$, Omethoate $(Folimat^{(R)}\;50\%\;Ec)$, Monocrotopos $(Azodrin^{(R)}24\%\;Ec)$, Acephate $(Ortran^{(R)}\;50\%\;Wp)$, Metalkamate $(Bux^{(R)}24\%\;Ec)$. BPMC $(Bassae^{(R)}50\%\;Ec)$ and MIPC $(Mipcin\;50\%\;Wp)$ were tested with 100, 200 and 400 times of water solution on the basis of single application at the six different intervals. Salithion was the most effective for the pressure of the gall formation by the pine gall midges and Omethoate, Monocrotophos and Metalkamate were relativey effective and others no effective. The most reliable concentration of the insecticides was 100 times of water solution, and the feasible timing of insecticide application on the basis of single application would be from May 9 to July 1 with Salithion, June 6 with Metalkamate and June 20 with Omethoate and Monocrotophos. The number of pine needles with the larval injured signs (no larvae in the needles) excluded the gall-formed needles were relatively higher in the treatments of Omethoate, Salithion and Monocrotophos than other insecticides. The treatments of Omethoate, Salithion and Monocrotophos caused the lower larval population in the gall than other insecticides.

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Change of Water Content and Disease Development on Pinus thunbergii Seedlings Inoculated with Bursaphelenchus xylophilus (소나무재선충 인공접종에 의한 해송묘목의 병 발달 및 수분함량 변화)

  • Yoon, Jun-Hyuck;Woo, Kwan-Soo;Moon, Yil-Seong;Koo, Yeong-Bon;Lee, Do-Hyung
    • Journal of Korean Society of Forest Science
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    • v.97 no.6
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    • pp.570-575
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    • 2008
  • This study was carried out to provide basic information on physiological changes of 4-year-old seedlings of Pinus thunbergii inoculated with pine wood nematodes by analyzing changes of symptom development, stem and needle water content and nematode populations in stem. Twenty days after inoculation, needles were discolored as an external symptom, and xylem drying and pith browning occurred at the above and below of the inoculation sites as an internal symptom. However, xylem drying began to occur 10 days after inoculation, which was determined by the difference in drying status of xylem and cortex between control and inoculated seedlings. Although population of pine wood nematode increased from 5 to 10 days after inoculation, it has increased dramatically from 10 to 20 days after inoculation when both internal and external symptoms appeared. As the time passed by after inoculation with pine wood nematodes, water content of stem and relative water content in current needles and branch gradually decreased. As the number of nematodes increases, water content of stem and relative water content of current needles and branches decreased significantly. There was a positive relationship between the number of nematodes and xylem drying and/or disease development, but the number of nematodes rapidly decreased as seedlings become severely diseased.

Physiology of Strobilus Initiation in Slash Pine I. Ovulate Strobilus Production in Relation to Shoot Morphology (슬래쉬소나무의 화아원기(花芽原基) 형성(形成)의 생리학적(生理學的) 연구(硏究)(I) 당년지(當年枝)의 형태(形態)와 자화(雌花)의 착화(着花)와의 관계(關係))

  • Lee, Kyung Joon
    • Journal of Korean Society of Forest Science
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    • v.46 no.1
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    • pp.21-28
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    • 1980
  • Strobilus initiation in grafted, 18-year-old slash pine (Pinus elliottii var. elliottii) in a seed orchard was examined in relation to morphological and anatomical characteristics of shoots. Needle weight (total fresh weight of needles per shoot produced during the current growing season) was the most closely related single variable to the number of female flowers produced the following year ($R^2=0.41$). The number of female and male strobili (per shoot) produced the following year was positively and negatively correlated, respectively, with the total weight of current-year needles per shoot. A transition from male to female flowering was associated with increasing vigor (number of needles) of the shoot. Vegetative buds in the upper parts of the crown of poor-flowering trees showed more advanced growth of vascular tissues compared with female-or male-producing buds, indicating a strong favor for vegetative growth.

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