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FW: rennet substitute


Dear All,

I the plant is a Solanum, it could be S. elaeagnifolium. Another species 
that is used in Egypt is S. torvum. I found the following record in the CAB 
ABSTRACTS database.


TI: Study of a milk-clotting agent of vegetable origin from the plant 
Solanum elaeagnifolium.
OT: Estudio de un coagulante, de la leche, de origen vegetal obtenido de la 
planta Solanum elaeagnifolium.
AU: Gaona-R-H; Trevino-D
SO: XV-Informe-de-Investigacion,  1975-1976, 
Division-de-Ciencias-Agropecuarias-y-Maritimas, 
Instituto-Tecnologico-de-Monterrey. 1977, 89-90.
PB: Monterrey.; Mexico
PY: 1977
LA: Spanish
AB: Milk coagulation experiments were made with enzyme extracted from 
different parts of the plant S. elaeagnifolium and its fruit collected in 
the state of Nuevo Leon, Mexico. 1 ml enzyme diluted 1:10, added to 10 ml 
milk, coagulated raw milk in 1.30 min and pasteurized milk in 1.40 min (at 
40-50 deg C) but did not coagulate boiled milk. At 90 deg C 0.5 ml enzyme 
coagulated 5 ml milk in 20 s. The optimum pH for clotting was 5.0. Alanine, 
glycine, lysine, leucine and isoleucine were detected in the enzyme by paper 
chromatography. Cheese made with the enzyme was similar in yield and 
organoleptic quality to cheese made with rennet. Clotting activity was 
1:8000.

Anton Doroszenko
a.doroszenko@cabi.org
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From: Connie Falk
To: sanet-mg@amani.ces.ncsu.edu
Subject: rennet substitute
Date: 24 September 1997 11:36

Hello. Does anyone know of a plant with purple flowers and yellow
translucent berries and which grows in disturbed areas, whose berries are
used in place of rennet in cheesemaking?  The plant is thought to be a
relative of nightshade. Thanks for any help. Connie Falk
+++++++++++++++++++++++++++
Constance L. Falk
Associate Professor
Dept. Ag. Econ. & Ag. Bus.
New Mexico State University