TW342346B - Production of thuringiensin concentrates - Google Patents

Production of thuringiensin concentrates

Info

Publication number
TW342346B
TW342346B TW085100846A TW85100846A TW342346B TW 342346 B TW342346 B TW 342346B TW 085100846 A TW085100846 A TW 085100846A TW 85100846 A TW85100846 A TW 85100846A TW 342346 B TW342346 B TW 342346B
Authority
TW
Taiwan
Prior art keywords
thuringiensin
carry out
ultrafiltration membrane
recovery
membrane
Prior art date
Application number
TW085100846A
Other languages
Chinese (zh)
Inventor
Yaw-Ming Tzeng
Horng-Yng Jeng
Original Assignee
Nat Science Council
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nat Science Council filed Critical Nat Science Council
Priority to TW085100846A priority Critical patent/TW342346B/en
Application granted granted Critical
Publication of TW342346B publication Critical patent/TW342346B/en

Links

Abstract

A process for producing thuringiensin concentrates, which comprises filtering out thalluses from the thuringiensin zymotic fluid through a microfiltration membrane, sterilizing the thalluses, adding surfactants, using a filter membrane to carry out the retention recovery; which is characterized in: adding a surfactant in the fermentation filtrate, using an ultrafiltration membrane with a sieve molecular weight of 10,000 dalton (MWCO 10,000) to carry out the recovery filtration which reaches five-fold concentration (I.e. 80% of the zymotic fluid being filtered out) and recycles a retained and concentrated thuringiensin solution, further adding 4~8% of Cetylpyridinium chloride cationic surfactant into the filtrate, and subsequently using an ultrafiltration membrane with a sieve molecular weight (MWCO) of 3,000~10,000 daltons to carry out secondary recovery, and then directly spray drying the retention mixture liquid which has been retained by the ultrafiltration membrane.
TW085100846A 1996-01-25 1996-01-25 Production of thuringiensin concentrates TW342346B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW085100846A TW342346B (en) 1996-01-25 1996-01-25 Production of thuringiensin concentrates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW085100846A TW342346B (en) 1996-01-25 1996-01-25 Production of thuringiensin concentrates

Publications (1)

Publication Number Publication Date
TW342346B true TW342346B (en) 1998-10-11

Family

ID=58263557

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085100846A TW342346B (en) 1996-01-25 1996-01-25 Production of thuringiensin concentrates

Country Status (1)

Country Link
TW (1) TW342346B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1066915C (en) * 1996-09-02 2001-06-13 中国科学院生态环境研究中心 Concentration of Thuricide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1066915C (en) * 1996-09-02 2001-06-13 中国科学院生态环境研究中心 Concentration of Thuricide

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