Sea Buckthorn Pulp Oil
INCI Hippophae Rhamnoides Fruit Oil. CAS 225234-03-7, as CosIng gives it. Also: Hippophae rhamnoides fruit oil, Sea buckthorn fruit oil, Sea buckthorn berry oil, Seabuckthorn pulp oil.
Published values
| Saponification value | 149.5–229.2 mg KOH/g |
| Used by the calculator | 189.4 mg KOH/g (midpoint) |
| SAP for NaOH | 0.1350 g/g |
| Iodine value | 60–71 g I₂/100 g |
| INS (SAP − IV) | 124 |
| Melting point | — |
| Unsaponifiable matter | 0.6–3.6 % |
One soapmaking book prints 0.116 g NaOH per g. One book prints 0.116 g NaOH per g for sea buckthorn oil. The fruit oil is mostly palmitic and palmitoleic acid, which puts it near 200 mg KOH/g, and eleven of twelve measured oils fell between 186 and 229, so we use 189 (0.135); a recipe made to the book's figure has more superfat than it says.
A bar made of 100 % Sea Buckthorn Pulp Oil
Conventional qualities summed from the fatty-acid groups; a single-oil bar is a reference point, not a recipe.
How much lye
| Oil | NaOH | KOH |
|---|---|---|
| 500 g | 64.1 g(50.6–77.6) | 89.9 g(71.0–108.9) |
| 1 kg | 128.2 g(101.2–155.2) | 179.9 g(142.0–217.7) |
| 1 lb (454 g) | 58.2 g(45.9–70.4) | 81.6 g(64.4–98.8) |
| 2 lb (907 g) | 116.3 g(91.9–140.8) | 163.2 g(128.8–197.5) |
For this oil alone at 5 % superfat, with pure sodium hydroxide (NaOH) or pure potassium hydroxide (KOH); in brackets, across the published range of its saponification value. KOH is usually sold at 90 %: divide by 0.9. For a whole recipe, open the calculator.
Fatty-acid profile
Saturated : unsaturated 33 : 67
| Fatty acid | Published range, % | Used | |
|---|---|---|---|
| Myristic acid | C14:0 · saturated | 0.11–0.31 | 0.2 |
| Palmitic acid | C16:0 · saturated | 17.62–41 | 29.3 |
| Palmitoleic acid | C16:1 | 12.41–42 | 27.2 |
| Stearic acid | C18:0 · saturated | ≤ 3.44 | 3.4 |
| Oleic acid | C18:1 | 21.3–37.07 | 29.2 |
| Linoleic acid | C18:2 | 5.86–14 | 9.9 |
| α-Linolenic acid | C18:3 n-3 | 0.1–2 | 1.1 |
| Arachidic acid | C20:0 · saturated | 0.1–1.42 | 0.8 |
Where these numbers come from
Table 1 physicochemical characteristics of cold-pressed pulp oil from six locations (refractive index, specific gravity, peroxide value, unsaponifiable matter, saponification value, iodine value, acid value); Table 2 fatty-acid composition of the berry (pulp) oil, seven samples. PDF fetched and text-extracted locally.
Figure 1B and text: fatty-acid composition of mature pulp (soft parts) across four cultivars.
PULP (fruit-flesh) oil, the palmitoleic-rich oil, distinct from the seed oil. PRIMARY source: Pakistan Journal of Scientific and Industrial Research 2008 (PCSIR Laboratories, Peshawar), cold-pressed pulp oil of red and yellow Hippophae rhamnoides berries from six locations in northern Pakistan (Nomal, Bagrote, Ghizar, Skardu Khas, Shigar, Khaplu), n = 3 readings per sample. Table 1 (12 samples): saponification value 186.20-229.20 (yellow) and 149.5-205.0 (red) mg KOH/g; the text calls 229.20 (Bagrote) the highest and 186.20 (Skardu Khas) the lowest, i.e. it ignores the red-Khaplu value of 149.5 that is printed in the table, so the practical range is about 186-229 and the 149.5 minimum here is transcribed as printed but is probably an outlier; iodine value 60-71; unsaponifiable matter 0.6-3.60 %; acid value 8.0-13.4 mg KOH/g; refractive index 1.457-1.543; specific gravity 0.846-0.951. Table 2 (7 samples, % of fatty acids): myristic 0.11-0.31, palmitic 17.62-36.52, palmitoleic 12.41-32.41, stearic 0.51-3.44 (nd in one), oleic 21.30-37.07 (18:1 not split into delta-9 and delta-11 isomers), linoleic 5.86-12.36, linolenic 0.10-0.73, arachidic 0.10-1.42. ADDITIONAL: PLoS ONE 2012 (Canadian H. rhamnoides ssp. mongolica, four cultivars), Figure 1B mature pulp: palmitoleic 32-42, palmitic 34-41, linoleic 8-14, oleic (delta-9 only) 1-5, cis-vaccenic (18:1 delta-11) 5-7, alpha-linolenic under 2, stearic under 2 % w/w. The fatty-acid min/max in this record span both documents (upper bounds for palmitic 41, palmitoleic 42, linoleic 14 and linolenic 2 are from PLoS ONE); the oleic range is from the Pakistani data only because PLoS ONE separates vaccenic acid. Melting point not given; the oil is semi-liquid to liquid at room temperature because of its high palmitic content but no value was printed. INCI name from CosIng.
This record is part of the open ingredient database (ODbL), which you can download as CSV or JSON. Found an error or a better primary source? Corrections with a link to the document are welcome at support@soapformulator.com.