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Application Aspergillus oryzae

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 Jual culture Dan Starter Aspergillus oryzae Telp. 087731375234 Studies of A. oryzae and A. sojae strains used for shoyu production have focused on comparing these two fungal species and improving their enzyme-producing abilities. A study of the enzymatic differences between 11 strains of A. oryzae and 20 strains of A. sojae showed that the activities of neutral, acid, and alkaline proteases, xylanase, pectin lyase, phosphatase, and aminopeptidase were not significantly different. However, acid carboxy peptidase activity and α-amylase activity were higher from A. oryzae when compared with A. sojae strains, while endopolygalacturonidase activity was much higher from A. sojae than from A. oryzae (Terada et al., 1980). The ratios between α-amylase activity and endopoly galacturonidase activity of 0.5–2 for A. sojae and 20–2000 for A. oryzae were suggested as a differentiation criterion for the species (Terada et al., 1980). Hayashi et al. (1981) compared the performanc...
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The Caracteriztic of Aspergillus niger

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Jual Culture Aspergillus niger Telp. 087731375234 Aspergillus niger is a fungi and one of the most common species of the genus Aspergillus. It causes a disease called black mould on certain fruits and vegetables such as grapes, apricots, onions, and   eanuts, and is a common contaminant of food. It is ubiquitous in soil and is commonly reported from indoor environments, where its black colonies can be confused with those of Stachybotrys (species of which have also been called "black mould"). Some strains of A. niger have been reported to produce potent mycotoxins called ochratoxins; other sources disagree, claiming this report is based upon misidentification of the fungal species. Recent evidence suggests some true A. niger strains do produce ochratoxin A. It also produces the isoflavoneorobol. A. niger is included in Aspergillus subgenus Circumdati, section Nigri. The section Nigri includes 15 related black-spored species that may be confused with A. niger, inc...
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Teknik Pembuatan Nata De Cassava

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Jual Starter nata telp.087731375234 Nata de cassava adalah salah satu produk nata berbahan baku singkong. Nata de cassava secara tampilan mirip dengan nata de coco yaitu berbentuk jel, warna putih, kenyal, berserat tinggi. Nata de cassava lebih lunak tidak alot, dan aroma nya tidak terlalu menyengat dibanding dengan nata de coco-nata berbahan baku air kelapa. Nata merupakan bahan baku produk minuman kemasan yang sudah sangat popular dan banyak disukai kalangan. Saat ini kebutuhan air kelapa untuk industi nata de coco semakin bersaing, seiring dengan tingginya permintaan nata de coco. Ketersediaa bahan baku singkong yang melimpah menjadi keunggulan tersendiri pengembangan industry nata de cassava sebagai subtitusi nata de coco. Urutan proses pembutan nata de cassava adalah sebagai berikut: 1. Pengupasan Singkong yang telah ditimbang, kemudian dikupas dengan menggunakan pisau. Kemudian singkong yang telah dikupas ditampung dalam ember yang berisi air agar tidak terjad...
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