• Title/Summary/Keyword: Hydrolyzed products

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Skin Permeation and Crosslinking with Biological Tissue of the Hydrolyzed Products of Gardeniae Fructus Extract (치자엑스 가수분해물 제제의 피부투과 및 생체 피부조직과의 교차결합에 관한 연구)

  • Yang, Jae-Heon;Lee, Nam-Hee
    • Journal of Pharmaceutical Investigation
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    • v.35 no.1
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    • pp.7-16
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    • 2005
  • Gardeniae Fructus is consisted of geniposide and it's derivatives. For the purpose of treatment of skin disease, geniposide and hydrolyzed products (HP) of Gardeniae Fructus were studied on skin permeation and cross1inking with biological tissue. The hydrolyzed products (HP) and active ingredients of Gardeniae Fructus were identified and investigated about skin permeability. Genipin has provided low cytotoxic cross1inking reagents and formed stable and biocompatible crosslinked products. The permeation enhancing effects of geniposide and genipin under the hydrolyzed products of cream and hydrogel preparations were tested using Franz type diffusion cell and the skin of hairless mouse. The remaining proportions of geniposide and genipin were measured in the hydrolyzed products of cream and hydrogel preparations. The crosslinking of epidermic and endodermic tissue with genipin under the hydrolyzed prodcuts of cream and hydrogel preparation was observed using light microscopy. Increased absorption ratio of the skin of hairless mouse about genipin was higher than that of geniposide. Loads at break, tensile strengths and skin permeation rate of the hydrolyzed products (HP) of cream and hydrogel preparations were higher than the nonhydrolyzed products (NHP). The hydrolyzed products (HP) of cream and hydrogel of Gardeniae Fructus Extracts were proper preparations and crosslinking agents to increase the transdermal absorption with epidermic and endodermic tissue.

Skin Permeation and Anti-inflammatory Effects of Hydrolyzed Products of Gardeniae Fructus Extracts (치자 엑스의 가수분해에 의한 피부투과 및 항염효과)

  • Yang, Jae-Heon;Lee, Nam-Hee
    • Journal of Pharmaceutical Investigation
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    • v.34 no.2
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    • pp.115-123
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    • 2004
  • Geniposide and its related iridoid compounds have been used in traditional herbal medicine for thε treatment of Jaundice hepatic diseases and various inflammatorys. For the purpose to increase trandsdermal absorption, the hydrolyzed products of Gardeniae Furctus were identified and assayed of active ingredients and investigated trandsdermal absorption and anti-inflammatory effects. Geniposide was hydrolyzed to genipin by ${\beta}-glucosidase$ and it was suggested that genipin was more suitable form than geniposide for transdermal absorption by its lipophilic property. Using Franz type diffusion cell and the skin of hairless mouse, the permeation rate of hydrolyzed products and their emulsion preparation were determined. Genipin have more increased absorption ratio through the skin of hairless mouse than geniposide. Also, the emulsion of hydrolyzed products of extracts showed higher permeability than that of nonhydrolyzed preparations. After 9 hours $280.85\;{\mu}g/cm^2$ of genipin was absorbed and $193.52\;{\mu}g/cm^2$ in case of geniposide. The Js of geniposide and genipin were $26.27{\pm}4.11\;{\mu}g/cm^2/hr$ and $40.35{\pm}5.04\;{\mu}g/cm^2/hr$ respectively. After carrageenan injection, the swelling was increased repidly to 24 hr and maintained as plateau. but emulsion group weer reached about 2.5 mL and the swelling decreased successively form 24 hr to 72 hr. The anti-inflammation effects of extracts and hydrolyzed products emulsion were increased with significant difference with control group after 24 hr, 48 hr and 72 hr. In carrageenan induced edema, inhibition of swelling was increased in case of hydrolyzed product emulsion compare with nonhydrolyzed group at 24 hr, 48 hr and 72 hr after swelling. In histological study, the anti-inflammatory effects of hydrolyzed products were remarkable at 48 hr and 72 hr compare with nonhydrolyzed. Hydrolyzed products of Gardeniae Fructus extracts containing genipin would be a suitable preparation to increase the transdermal absorption and anti-inflammatory effects.

Anticancer Effect of the Hydrolyzed Monogluco-Ginsenoside of Total Saponin from Ginseng Leaf (인삼잎으로부터 분리된 총사포닌의 부해산물 Monogluco-Cinsenoside의 함암작용)

  • 임광식;정해영
    • Journal of Ginseng Research
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    • v.19 no.3
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    • pp.291-294
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    • 1995
  • Total saponin was isolated from ginseng leaf, which was hydrolyzed in alkaline condition. The hydrolyzed products were identified as monogluco-ginsenoside, ginsenoside Rh1, Rh2 and compound K, which showed anticancer effects against human cancer cell lines (SNU 717, Daudi, and Jurkat).

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HYDROLYZED GINSENG-SAPONIN QUATERNARY; A NOVEL CONDITIONING AGENT FOR HAIR CARE PRODUCTS

  • Kim, Young-Dae;Kim, Chang-Kew;Lee, Chung-Nam;Ha, Byung-Jo
    • Journal of the Society of Cosmetic Scientists of Korea
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    • v.14 no.1
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    • pp.16-37
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    • 1988
  • A new quaternary ammonium compound, hydrolyzed ginseng-sapoin quaternary (HGSQ), from hydrolyzed Korean ginseng-saponin and 2, 3-epoxypropyltrimethyl ammonium chloride has been developed as a conditioning agent for hair care products. This structure has the hydrophilic group from the introduced cationic and the hydrophobic group from the aglycone of ginseng saponin. Its properties: surface tension, conductivity, critical micelle concentration, eye irritation, sorption onto hair, force reduction (%) for 20% extension and moisture retention effect comparing with the commercial standards. Also half-head tests of HGSQ-containing shampoo were carried out to compare the conditioning effects in shampoos.

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A Study on Changes in Antibacterial Activity of Pepsin-hydrolyzed Bovine Apo-lactoferrin at Various Method for Pasteurizations and pH Values (살균방법 및 pH 조건에 따른 Pepsin-hydrolyzed Bovine Apo-lactoferrin의 항균성 변화에 관한 연구)

  • 김종우;이조윤;금종수;유대열
    • Food Science of Animal Resources
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    • v.18 no.2
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    • pp.157-163
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    • 1998
  • This study was carried out to examine that pepsin-hydrolyzed bovine lactoferrin has applicabilities which are market milk and dairy products. The stability of pepsin-hydrolyzed bovine apo-lactoferrin and the change of its antibacterial character has been studied under various method for pasteurization (LTLT; 65$^{\circ}C$ / 30min., HTST ; 75$^{\circ}C$ / 15sec., UHT ; 135$^{\circ}C$ / 3sec.) and pH Values (pH 2.0, pH 4.0, pH 6.8). The ehated samples were assayed for minimal bacteriocidal concentrations (MBCs) and bacteriocidal effect against E. coli. The results obtained were summarized as follows: After fractionation of pepsin-hydrolyzed bovine lactofeerin by gel filtration. several peptide fractions were found that had strong antibacterial activity. SDS-PAGE showed that the one of these fractions with strong antibacterial activity, which had a molecular mass a range of 30∼33KDa. The MBCs for pepsin-hydrolyzed bovine lactoferrin fraction No. 2 against E. coli required to cause complete inhibition of growth varied within the range of 200∼400 $\mu\textrm{g}$/ml, depending on heat treatments and pH conditions. The peptide fraction No. 2 showed strong bacteriocidal activity against E. coli at LTLT and HTST treatments under acidic pH conditions. and was reduced activity at UHT treatment under pH 6.8 condition.

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Bioluminescent assay of Phospholipase C Using A Luminescent Marine Mutant Bacterium Vibrio harveyi M-17

  • Cho, Ki-Woong;Mo, Sang-Jun;Lee, Hyi-Seung;Park, Jung-Rae;Jongheon Shin
    • Journal of Microbiology
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    • v.38 no.3
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    • pp.150-155
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    • 2000
  • A bioluminescent assay method for detecting the activity of phospholipase C(PLC; phosphatidyl choline cholinephosphohydrolase, EC 3.1.4.3) was developed using bioluminescent marine bacteria. Phospholipase C from Bacillus cereus and sn-1,2- dimyristoyl glycerol was further hydrolyzed with lipase from Candida ecylidracea. The hydrolyzed myristic acid was quantified using a dark mutant of Vibrio harveyi (designated as M-17). The in vivo light intensity of which was stimulated specifically up to one thousand fold in the presence of myristic acid. The rates of the hdrolysis of the DMPC substrate by the phospholipase measured by the luminescence method were linear with time and the were estalished to detect as little as 0.1 mUnit of phospholipase C and 5 nM of myristic acid production.

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Improvement of Hydrolysis and Bioavailability of Coprecipitated Products of Coptidis Rhizoma and Scutellariae Radix by β-Glucuronidase (베타-글루쿠로니다제에 의한 황련.황금 공침물의 가수분해 및 생체이용률 증가)

  • Kim, Mi-Jeong;Kim, Nam-Soon;Kim, Young-Il;Kim, Dae-Keun;Yang, Jae-Heon
    • Journal of Pharmaceutical Investigation
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    • v.33 no.2
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    • pp.91-97
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    • 2003
  • During the preparation of decoction from the mixture of Coptidis Rhizoma and Scutellariae Radix, insoluble copreciptate was formed. The coprecipitated product (COP) was composed of berberine and baicalin which was the active ingredient of Coptidis Rhizoma and Scutellariae Radix, respectively. COP was slightly soluble in water and could not be well absorbed after oral administration. This poor bioavailibility might be associated with its poor aqueous solubility. With the purpose of increasing the solubility and bioavailibility of COP, hydrolysis of COP by ${\beta}-glucuronidase$ was carried out. Hydrolyzed products (HOP) of COP were identified and assayed for active ingredients. The partition coefficient study, in situ absorption test, and pharmacokinetic study after oral administration were also performed. COP was found to be consisted of berberine and baicalin with molecular ratio of 1 to 1. This compound was hydrolyzed to berberine and baicalin by ${\beta}-glucuronidase$. The rate of hydrolysis was higher at higher temperature up to $50^{\circ}C$ and higher concentration of ${\beta}-glucuronidase$ up to 2500 unit under our experimental conditions. Baicalein, which is more liphophilic than baicalin, showed greater absorption in small intestine than baicalin did. The plasma concentrations of berberine and baicalein after oral administration of HOP were significantly higer than those of COP. The possible mechanism of increased bioavailibility of berberine and baicalein could be the hydrolysis of COP by ${\beta}-glucuronidase$. On the basis of the above results, it might be said that HOP should be a suitable preparation for increasing the bioavailibility of Coptidis Rhizoma and Scutellariae Radix.

Characterization of Fucoidanase Screened from the Hepatopancreas of Patinopecten yessoensis (가리비(Patinopecten yessoensis)의 간 췌장으로부터 분리한 Fucoidanase의 특성)

  • 류병호;김동석;이영숙
    • Journal of Food Hygiene and Safety
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    • v.11 no.1
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    • pp.25-29
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    • 1996
  • A fucoidanase, which was screened from the heptopancreas of Patinopectin yessoensis, was fractionated according to by ammounium sulfate precipitation and anion exchange chromatography. The crude fucoidanase activity was hydrolyzed a small amounts of fucoidan agar and not arrageenan. The crude enzyme hydrolyzed fucoidan to produce oligosaccha-rides of fucose, glucose, maltose maltotriose and maltoteraose as the reaction products.

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Analysis of 3-monochloro-l,2-propanediol(3-MCPD) in soy sauce products in Korea

  • Lee, Byung-Mu;Song, Hyun-Sue
    • Proceedings of the PSK Conference
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    • 2003.10b
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    • pp.115.2-115.2
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    • 2003
  • 3-Monochloro-1, 2-propanediol(3-MCPD) was analyzed in soy sauce products commercially available in Korea. A total of 24 samples were collected and 3-MCPD was determined by GC/MS. Sources of 24 samples were classified by manufacturing methods as naturally brewed(NB), acid hydrolyzed(AH) and mixed(M=NB+AH) soy sauces. 3-MCPD was not detected in NB soy sauce products (< 0.01 ppm, mg/kg) whereas AH and M soy sauce products showed a wide range of 3-MCPD contamination(0.01~2.038ppm). (omitted)

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Comparison of Pyrazines Formed in Chicken By-Products Hydrolyzed by Enzymes (효소 처리된 닭고기 부산물에서 헝성된 pyrazines의 비교)

  • 손성희;조인희;김영석
    • Korean journal of food and cookery science
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    • v.20 no.3
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    • pp.265-270
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    • 2004
  • To investigate the formation of pyrazines, by-products of chicken were hydrolyzed by protease/peptidase for 4, 8 and 24 hours, after which the hydrolysates were heated with glucose, fructose and xylose, respectively, at l80$^{\circ}C$ for l00min. The formation of pyrazines showed a significant difference by quality and quantity according to the degree of protein hydrolysis. Especially, the formation of 2-methyl pyrazine and 2-ethyl-5-methyl pyrazine was considerably affected by, the degree of protein hydrolysis. Also, 3-ethyl-5-methyl pyrazine, 2-butyl-3-methyl pyrazine, 2-butyl-3,5-dimethyl pyrazine, methyl pyrazine, and 3-ethyl-5-methyl pyrazine were identified only in the hydrolysates for 24 hours.