A leaf protein concentrate (LPC) prepared from cauliflower leaves was analysed for crude protein, calcium, phosphorus, iron, ,&carotene and some of the amino acids. Lysine and tryptophan were present in nutritionally adequate amounts, but cystine and methionine were not, Cauliflower LPC was evaluated for its nutritional qualities in respect of growth rate, protein efficiency ratio (PER), liver nitrogen, and plasma protein content by feeding rats. The growth rate of xats and PER values of leaf protein supplemented diets were better than that of the wheat flour fed group. Hence, cauliflower LPC might be used for improving nutritionally poor diets.
Strains of peas (Pisum sativum L.) with higher protein efficiency ratios (PER) contained more albumin N than those of lower PER, as determined by rat bioassay. For data from 21 strains of peas with a range in albumin N from 0.53 to 1.06%, a quadratic function of the albumin N content had a high coefficient of correlation (R = 0.949) with PER. Such an equation provides a simple and accurate method for the evaluation of protein quality (as determined by PER) of peas. The selection of varieties of peas containing more albumin may be important for future plant breeding improvement of PER values of peas.
The object of the investigation 'was to study the nutritive value of triticale and to ascertain the effect of its supplementation to wheat and bengal gram, flours. The different flours were analysed for lysine, methionine, and cystine content. Protein and lysine contents .of triticale flour were higher as compared to wheat flour. The blend of wheat flour and triticale flour in the ratio 60:40 for the preparation of chap&i (unleavened bread) was found acceptable. Acceptability of the chapafi was slightly improved by supplementing the bengal gram flour at 20% level to the blend of wheat + triticale flour. The PER value of triticale flour was higher than that of the wheat flour. The PER value, plasma protein, and plasma lysine content of the wheat flour + triticale flour + -bengal gram flour (40:40: 20) diet fed group were higher than the other test diets.
Mineral composition of grain and flour in 14 promising triticale strains from India are reported. The mean values for whole grain, i.e. Ca (0.47 mg/g), P (2.70 mg/g), K 4.60 mg/g, Na (352 micrograms/g), Zn (41.6 micrograms/g), Cu (7.0 micrograms/g), Fe (73.4 micrograms/g) and Mn (33.6 micrograms/g) were obtained as compared to those of flour, i.e. Ca (0.27 mg/g), P (0.97 mg/g), K (1.64 mg/g), Na (231 micrograms/g), Zn (26 micrograms/g), Cu (4.0 micrograms/g) and Mn (10.5 micrograms/g), respectively. These values were found to be considerably higher than those of wheat. Highly significant positive correlations of ash with sodium and zinc in whole grain were observed. In the case of triticale flour, highly significant positive correlations of ash with manganese, phosphorus and potassium were obtained.
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