日本水産学会誌
Online ISSN : 1349-998X
Print ISSN : 0021-5392
ISSN-L : 0021-5392
19 巻, 9 号
選択された号の論文の11件中1~11を表示しています
  • Carbonic Anhydraseについて
    生長 清三
    1954 年 19 巻 9 号 p. 925-928
    発行日: 1954/01/25
    公開日: 2008/02/29
    ジャーナル フリー
    Carbonic anhydrase seems to be one of active agents on the deposition of carbonate in molluscs3). As the first step toward the analysis of the enzymatic system in shell and pearl formation, the distribution of the carbonic anhydrase activity in various tissues of pearl oyster (Pinctada martensii) have been examined manometrically.
    The order of the enzyme activity in the various tissues is following gill>mantle edge>mantle without mantle edge. gonad>digestive diverticula>adductor muscle (Table I). The enzyme was not found in the mucus which was secreated from mantle tissue. The higheractivity of the mantle edge suggests the possibility that metabolic carbon dioxide may be utilized in the shell formation.
    The crude enzyme was stable at lower than 25°C. and at pH 4.5-10.0 (Table 2 and 3). The molluscan carbonic anhydrase was inhibited strongly by metal inhibitors, e.g., cyanide, thiocyanide, sulfide, and also`by, sulphanilamide w ?? ich was specific poison of mammalian carbonic anhydrase (Table 4).
  • 蛋白質の定着による防腐について
    福田 博業
    1954 年 19 巻 9 号 p. 929-931
    発行日: 1954/01/25
    公開日: 2008/02/29
    ジャーナル フリー
    Application of various protein sols coupled with their coagulants was first tried. The protein sols used for protective coating of netting yarns included gelatin, white of egg, blood serum, and glycinin of soya. The protein coagulants tested were tannic acid, chromic acid, picric acid, formaldehyde and cutch.
    The results of these treatments were not satisfactory as given in Table 1. Thus it led to additional handling with antiseptic copper copounds, such as Cu2O, CuCN, Cu-picrate, and it answered the purpose much better as tabulated in Tables 1 and 2.
  • ビニール被膜による防腐について
    福田 博業
    1954 年 19 巻 9 号 p. 932-934
    発行日: 1954/01/25
    公開日: 2008/02/29
    ジャーナル フリー
    Effects of application of various polyvinyl latexes as the binder coupled with antispetic agents, such as Cu2O were studied with the results as shown in Tables 2 and 3. The residual strength was respectively maintained over 50% of the original ones after 90 days' sojourn in water. But the results were not very satisfactory so that some more effective antiseptic compounds are to be sought for. They should be insoluble and effective in case less than 10% addition for the original yarns.
  • 須山 三千三, 徳広 真
    1954 年 19 巻 9 号 p. 935-938
    発行日: 1954/01/25
    公開日: 2008/02/29
    ジャーナル フリー
    The amounts of urea and volatile basic nitrogen in the muscle of some cartilaginous fishes were determined by the same methods as described in our prcvious paper, and the following results were obtained; the muscle of frozen or ice-stored fishes on the market contains about 1.0-2.0 per cent urea and 9-130mg. per cent volatile basic nitrogen respectively (Tables 1 and 2), but the former amounts to 1.7-2.0 per cent and the latter is 6-36mg. per cent on some freshcaught fishes (Table 3). The embryo also contains the same amounts as the adult fishes of the higher content (Table 4).
  • 丸一 禎蔵, 島津 禎彦
    1954 年 19 巻 9 号 p. 939-941
    発行日: 1954/01/25
    公開日: 2008/02/29
    ジャーナル フリー
    The seasoned and dehydrated globe-fish (Hugu-Mirinbosi" in Japanese) is highly prized as one of the marine products in Shimane prefecture. The above mentioned product is produced about 113 tons every year within the limits of this pref., and is consumed mainly in the western district of Japan, especially Hiroshima pref., and Yamaguchi pref., When this product is left alone for 2-3 days the white spots tend to appear on the surface. The commercial value of this prodnct is deteriorated by appearing of such spots.
    In the present investigation the authors have studied on the chemical nature of these white spots, and it has been proved that they were the crystals of tyrosine.
  • 井上 実
    1954 年 19 巻 9 号 p. 942-946
    発行日: 1954/01/25
    公開日: 2008/02/29
    ジャーナル フリー
    The shape of a sardine ringnet and the tention of purse line were studied at various instants of pursing and in various sea depth with the model made on Tauti's principle1).
    The results are given Table 4 and Fig. 3.
  • 尾谷 茂, 高柳 健, 松橋 鉄治郎
    1954 年 19 巻 9 号 p. 947-951
    発行日: 1954/01/25
    公開日: 2008/02/29
    ジャーナル フリー
    It has been reported that Butylhydroxyanisole (B. H. A.) is a good antioxidant not only for the fat and oil themselves, but also for the food products containing them.
    The authors have attempted to confirm the antioxigenic effect of B. H. A. on fish oils and fish products.
    The results are summerized as follews:
    (1) When B. H. A. is used in proportion of 0.02% to the sardin oil, it is very effective to prevent the oxidation of the oil stored in various conditions.
    (2) There is no difference in the antioxigenic effects, whether the addition of B. H. A. is before the preparation of the oil or after that. Considering fish oil refining. however, it is assumed more suitable to add B. H. A. while fish are being cooked.
    (3) Peroxide Number is considered as a good scale for the expression of the antioxigenic effect of B. H. A.
  • 細菌によるアコヤガイ異常斃死について-I
    小竹 子之助, 宮脇 安能
    1954 年 19 巻 9 号 p. 952-956
    発行日: 1954/01/25
    公開日: 2008/02/29
    ジャーナル フリー
    1. Our investgation was focused to detect factors responsible for an unusual high mortality of the pearl oysters, Pinctada martensii, which was experienced at the Ncasa Bay near Shishikui-machi, Tokushima prefecture over the period of three month (from the middle of April to the middle of June, 1952) has resulted in the isolation of two kinds of microorganism; short bacillus and diplococcus.
    The identification of those bacteria is left for the further studies.
    2. Short bacillus presumably considered to be causal factor for the unusual death of the oyster is gram negative and inoculation of which into the oyster caused a rapid putrefaction and decomposition of the oyster.
    3. Same kind of bacteria above mentioned were isolated from the subsoil and sea water of the oyster culture land.
    4. From the result of our experiment by means of inoculation and from the consideration of the prevailing geographical position of the culture land it is easily presumed that the sea water at the bottom readily become muddy at the time when the oyster-basket are pulled up or down at the obb-tide, which easily permit the entrance of the harmful bacteria into the bodies of oyster through the operative wounds and eventually leads to the death of the precious oyster.
  • アコヤガイの各組織に於けるグルコズルファターゼ,フェノールズルファターゼ及びコンドロズルファターゼの分布について
    堀口 吉重, 三宅 正人
    1954 年 19 巻 9 号 p. 957-962
    発行日: 1954/01/25
    公開日: 2008/02/29
    ジャーナル フリー
    In order to research the problem whether Soda's assumption, that sulfatase in some shell-fishes seems to have a bearing on the shell formation, may be adaptable to the shell and pearl formations of pearl-oyster, we investigated the activities of sulfatases in its tissues and found that glucosulfatase and phenolsulfatase were avtive in liver, fairly active in mantle, foot, retractor muscle and gill, and less active in adductor muscle. Chondrosulfatase was active in mantle and less active in adductor muscle and liver.
  • 塩類添加によるイカ肝油の抗菌作用出現に対する培地組成の影響に就て
    富安 行雄, 豊水 正道
    1954 年 19 巻 9 号 p. 963-967
    発行日: 1954/01/25
    公開日: 2008/02/29
    ジャーナル フリー
    In order to ascertain the mechanism in producing the antibiotic action of the caramary oil by the addition of salts, the concentration of CuSO4, FeCl3, Co(NO3)2 and KMnO4 required, has been discussed from the viewpoint of oxidation-reduction potential of the media.
    On low rH media which contain reducing suger and KH2PO4, -standard medium (Peptone-Hayduck medium: glucose 50g., peptone 10g., MgSO4•7H2O 3g., KH2PO4 1g., agar 20g. and distilled water 1l.), standard medium without MgSO4 and fructose medium with KH2PO4-the concentration of these salts required was high, and Co (NO3)2 was not effective. On the contrary on high rH media, -standard and fructose media without KH2PO4 and sucrose media with or without KH2PO4 which contained more or less peptone, -the concentration of them was small and Co(NO3)2 was also effective. Therefore, it could be assumed that the decrease of oxidizability of the medium would need high concentration of these salts. In these cases, the precipitation caused by the combination of CuSO4 or FeCl3 with peptone and KH2PO4 reduced the inhibitory action by these salts alone (without the addition of the calamary oil), but had no influence on the antibiotic action of the calamary oil by adding salts.
  • 生殖腺について
    落合 明
    1954 年 19 巻 9 号 p. 968-972
    発行日: 1954/01/25
    公開日: 2008/02/29
    ジャーナル フリー
    In the course of the studies on the maturity and spawning of Argentina Semifasciata KISHINOUYE, the present auther found some interesting facts which is concerned with the form of gonad: 1) The general form of urinogenital papilla differs due to the sex; in the male, the papilla is rather hard and is markedly swollen in tongue-like fusion, while in the female the organ is soft and is scarcely swollen (Fig. 1-2). 2) Gonad is divided into right and left lobes, each lobes is further subdivided into anterior and posterior lobes which is communicated by a gonoduct. (Fig. 3. A, B, C, D). The rear end of the anterior lobe extends far beyond the insertion of the posterior lobe in the full grown condition, although they never confluent with each other. 3) The anterior lobes of the gonad are in bilateral symmetry in the weight (average index of asymmetry α is 0.021 in the female and 0.023 in male), while in the posterior lobe the right one is larger than the left one (α is 0.118 in the female and 0.209 in male. Fig. 4).
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